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Max hp with camel hump heads of Technology

They will not have camel humps like the 70 vers.

1418 posts · Joined 2000. #1 · Feb 7, 2006. I was really leaning toward a set of aluminum heads, but my cousin called and said he had a set of 202 camel hump heads off his 327. He has roller rockers to go with them. The 327 is dead and now he has a LT-1 which he is putting into his 67 camaro. I currently have a mainly stock 350 with 882 76cc ...Their heads are like that of a camel’s hump which are tilted. They will not enter Jannah nor will they smell its fragrance although its fragrance can be smelt from such and such a distance [far away].”. ‘Allamah Nawawi (rahimahullah) explains that ‘their heads are like the hump of a camel’ refers to women making their heads look ...I guess the heads would be a good but expensive start, any thoughts on what HP improvement could be gained ? I was told that the compression ratio with the camel hump heads would be around 11 to 1.Vortec heads are designed with combustion efficiency in mind. They have a smaller chamber volume and a higher compression ratio than double hump heads, which allows for more air and fuel to be packed into the combustion chamber. This results in a more powerful and efficient engine. Double hump heads, on the other hand, are designed for torque.Sep 3, 2018 · There is a company out there that makes aluminum heads with the old double hump casting on the ends. Might be worth looking into. 1969 x-77 Z/28 orange/ white stripes, named by my daughter "Clementine ", M-22 close ratio, 4:10 12 bolt, CE 302. Hugger orange with white stripes.Re: 462 double hump heads (Vetterodder) 462's were one of the best flowing production heads. They were used between 1962-1968 on various HP versions of the 302, 327 and 350. They came with either 1.94/1.50 or 2.02/1.60 valves, had 64CC combustion chambers, intake port volume should be 161CC's, exhaust port volume …Features 180cc intake runner, 62cc exhaust runner, 2.02" intake/1.60" exhaust valves, 1.560" max spring pocket diameter, Cast from premium quality aluminum that shaves 40 lbs. off the nose of your car vs. heavy iron heads, Comes completely assembled with no accessory bolt holes, just like the original heads, Improved port/chamber shape for better performance with the 3-angle machined valve job ...Many people believe FTX’s collapse will lead to more decentralization. Binance co-founder and CEO Changpeng Zhao, also known as CZ, commented on the collapse of FTX at TechCrunch S...It's two half-ovals connected by a straight bar-most easily described as "two humps." Some of these are also nicknamed "Fuelie" heads because a version appeared on fuel-injected 327-powered Chevy ...9.25:1, 600 brawler carb, performer intake, TF CH heads, STOCK 327/350 camshaft, 32° total timing...330HP@ 5400rpm and 358TQ@ 3700rpm.I was going to run it in my 57 with ported aluminum speedway motors camel hump heads, modified to take a staggered valve cover, and a heavily worked factory intake.I stopped a buddy in the middle of a head swap, he's got a 283 with power pack heads, flat top pistons. He wanted to swap on a pair of 65cc 2.02" stock type iron heads, but I told him the compression would drop, plus it would probably hurt the bottom and mid range, plus the valves might hit the bores.There are decent heats, rather a return to the old dual quench, camel hump head. Not as power making as the L31 Vortec head of 1996-2002 but a pretty decent head for seekers of top end horsepower. What you need is the engine builds and partial VIN codes off the right front of the block between the head and the coolant pump.Fred, the reference to the 186 Fuelie in the link throws me for a loop. None of my literature shows the 186 as a fuelie head, but only as a 69,70 302 and 350 head with 63cc combustion chambers. It also is alluded to have either 1.94 intake/1.50 exhaust valves or 2.02 intake/1.60 exhaust valves. The runners have the same volumes of 161cc intake ...My guess is that the camel hump heads are probably good for 15-20 hp on a street engine just from the compression ratio increase. Flow will be close to the same. Vortec heads (or 461X camel hump heads) would be worth another 15-20 hp on a street engine. These numbers would go up if you had a bigger cam or turned more rpm.Cast from premium quality aluminum that shaves 40 lbs. off the nose of your car vs. heavy iron heads. Comes completely assembled with no accessory bolt holes, just like the original heads. Improved port/chamber shape for better performance with the 3-angle machined valve job that promotes better flow, especially at low-to-mid lifts.quality aluminum heads stay away from the pro comp and other chineese junk. you can get dart 200cc aluminum for about $1000 a pair complete. figure a good set of camel hum cores is about 150-200 plus another 500-600 for a good valve job with hard seats, good valves, and springs to work with a performance cam and your almost there …Flat top pistons 350 max .060 over. Holley 4412 carb and 1.375 restrictor plate. And production exh manifold. And any gm head except bowtie. I have a set of camel hump heads with under cover porting from brezezinski and would have to run edelbrock torker ll intake #5001. Or I could run vortec heads with edelbrock performer EPS #2716.Original Camel Hump Heads. I just finished up machining two sets of heads for a customer replicating camel hump heads for a Camaro restoration. He wanted high performance heads that looked just like the originals. I machined the logos off and then machined the inset by hand around a 3/8” thick steel guide. After the rough machining was ...Max. Please provide a valid price range. Available inventory $ 0 $ 1000. see all. ... Chevy 3917291 Heads 302 327 350 Double Camel Hump SBC Heads 291 small block. Opens in a new window or tab. Remanufactured. $700.00. anthnjack (1,091) 98.1% ... 1963 CHEVY CORVETTE CYLINDER HEAD 8-327 250 HP 23742 (For: Chevrolet) Opens in a new window or tab ...Camel hump heads can be modified to work fine and give good power. My mild 331 CI, 9.5:1 CR puts down 300+ hp to the rear wheels (measured at 293 hp on the chassis dyno before further modification and a Lars tune-up).202 camel hump heads. I was really leaning toward a set of aluminum heads, but my cousin called and said he had a set of 202 camel hump heads off his 327. He has roller rockers to go with them. The 327 is dead and now he has a LT-1 which he is putting into his 67 camaro. I currently have a mainly stock 350 with 882 76cc heads (i known anything ...hhott71. 1376 posts · Joined 2006. #18 · Jun 30, 2010. There is no discernible difference between a 291 and a 462 head. The 461 head had no chamber below the spark plug, it was machined flat when the head was made. The 461x heads though desirable for their bigger ports are basically all gone, used up and expensive.C3 Tech/Performance - 186 Double Hump Heads vs. stock Q-jet - I have re-built my '74 L48 350 and am in the final stages of reassembly back into the car. I changed the cam to a Cleavite 2019 (mild cam with short duration), added new flat top pistons (.020 over), and changed the heads to 186's with 2.02 valves. I think...Re: Trick Flow 175cc "Double hump" heads. by bigmike » Mon Oct 17, 2022 3:17 am. I helped a guy out with a 1966 corvette 327 300 HP car. Engine needed a rebuild his stock heads needed a lot of work. Got him to use these heads on the 327 with a mild isky 270/280 mega cam isky 205 valve spings and edelbrock EPS intake.Camel spiders have a fierce reputation, but they aren't even spiders in truth, but solifugids. HowStuffWorks gets to know these arachnids. Advertisement Some animals have a reputat...Both heads feature 64cc combustion chambers, 176cc intake runners capable of excellent flow and velocity, standard 1.94 in. diameter intake valves and 1.50 in. exhaust valves. The intake port opening for the EQ CH350G/H is designed like the 69-85 intake ports to provide easier port and gasket matching.Feb 28, 2020 · Chevy SBC V8 Bare Aluminum Camel Double Hump 461 Cylinder Head - https://www.speedwaymotors.com/Chevy-... Chevy SBC Assembled Aluminum Camel Double Hump 461 Cylinder ...If he is not running that kind of compression, and is keeping the double hump heads, he will be happier with a smaller cam. 69 Camaro -originally a LM1 car. 327, Edelbrock E-streets, hooker, DUI performance distributors, ultradyne cam, stewart, TRW etc. Vintage Air, AGR steering, Corbeau GTSII seats, 700R4 transmission, 12-bolt w/Eaton 4.11:1As with all Trick Flow® cylinder heads, DHC™ 200 heads are cast from A356-T61 aluminum to keep weight low. To preserve the vintage theme, exterior touches like straight spark plug holes, castings with or without accessory bolt holes, and other OE double hump head styling cues deliver the traditional look you're going for. Sold individually.Our all-new cylinder head casting is a modern take with all the old-school looks you desire out of a reproduction camel hump head. Features like fast-burn combustion chambers, high-velocity ports, large diameter valve springs, and positive stop valve seals bring the vaunted camel hump heads into the 21st Century. ... The original 3782461 castings …Can anyone tell me what real horsepower was gained from camelhump cylinder heads in the 60s and 70s,and how it was made? Even now all these decades later people claim this and that, I managed 340 horsepower with my camelhumps(186) with a fairly good cam,magnum 280(480/480 lift) and flat top pistons,headers,holley etc People …Camel hump 461 heads with 1.94/1.50 heads hogged out to 2.02/1.60, pocket ported, port matched, pump-friendly hardened seats, 3-angle valve job Comp Cams 1.52:1 roller-tip rockers Crane Cam Vintage Muscle 327/350 hp cam, 222 degrees @ 0.05, 0.447" lift (with 1.50 rockers) Doug Thorley headers, dechromed and ceramic-coatedVortec heads are designed with combustion efficiency in mind. They have a smaller chamber volume and a higher compression ratio than double hump heads, which allows for more air and fuel to be packed into the combustion chamber. This results in a more powerful and efficient engine. Double hump heads, on the other hand, are …2060 posts · Joined 2014. #6 · Apr 18, 2017. probably gunna need a 210cc or 220cc untouched out of the box aftermarket head to get over 500hp on a 383. Or the competition ported AFR 195s. 1982 Monte Carlo SC: 400 sbc, Procharger D1SC, Fueltech, E85, th400, Strange 9" 3.89s. 9.4@141mph. Like.The camel humps could be okay, it depends on what your plans are for the rest of the motor. I personally like camel humps,I see alot of people at the track with them ported, and running good times: and I've had good results with my set. But, if you do upgrade to other heads I wouldn't WASTE money by buying "vortecs".2.02 camel hump heads. I have a set of 1965 camel hump heads that have been completely redone with hardened seats and Manley stainless valves, screw in studs, guide plates. Comp cam springs. These were built at the machine shop and have been on my engine since it was new 2 yrs ago and only have 3256 miles on the motor.My guess is that the camel hump heads are probably good for 15-20 hp on a street engine just from the compression ratio increase. Flow will be close to the same. Vortec heads (or 461X camel hump heads) would be worth another 15-20 hp on a street engine.Gaskets matching and some porting was done for clean up. Curving the Hei 16+ 21 @ 3000 , Tuning the QJet , 42/70 , M hanger DR rods, 5/8th door tension. Governor in trans set to shift at 5000rpm, with yellow and blue spring, 3 and 5 weight. $275 for Vortec 906 heads, beehive 3100II springs retainers. $40 for the mill.I have a 65' 327 with this setup and would like a few recommendations on heads for an upgrade. 327 bored .40 over. Currently, 461 Camel hump heads with 1.94/1.60 valves. Flat top, 9.5-1 Piston's (I think?) Comp X4250H Cam, 206 intake, 214 exhaust @.05 lift.The Vortec heads are far superior to the older heads in a few ways, The ports are bigger at 170cc`s and there redesigned so they out flow the older heads also. the camel hump has really gone to the way side since the release of the vortec, by the time you find a set of camel humps and have them worked, you`ll have about the same amount in them as you could have gotten a new set of vortec`s for ...If you use 3917291 Double Hump Heads, 3919803 4 Barrel Intake with a Comp Cams 270 Magnum Hydraulic Cam and Lifters Set, you will basically have a 327/275 Motor. It contains a lot of good information. The casting numbers are for identification purposes.Made from premium grade, lightweight A356-T61 aluminum, DHC™ 175 heads feature the exterior styling and straight spark plug holes that deliver the nostalgic appearance of the original factory performance 186, 291,461,462 "double hump" or "camel back" castings that customers want.First off this is a 327 sbc. 30 over. Small journal engine. Forged internals. Forged flat top pistons. Has a summit 1107 camshaft. The current heads are the old school powerpack heads which from what I've read yield a 138cc intake runner. 58cc chamber and 1.52 intake valve. I have 1 3/4 long tube headers and rpm intake with spacer and a ...I guess the heads would be a good but expensive start, any thoughts on what HP improvement could be gained ? I was told that the compression ratio with the camel hump heads would be around 11 to 1.ZZ4Blazer. Stock vortecs wont flow that much, but they do flow better than the camel humps. Summits got some new, ported ones flow [email protected] lift, screw in studs, and springs good to .520 lift (stock will only handle .480) $650 for the pair.I've been wondering that for a while now! 1962-65 250 hp 327s had small four barrel carbs (either 4GC or WCFB) and the same heads as the power pack 283s. In that era, the double humps were reserved for the 300 hp and higher 327s. HEATHEN, Nov 7, 2010.The fuelie,double hump, camel hump heads came on 327s. The true versions of these heads (cast # 292, 461,462) had 64 cc chambers and either had 1.94 or 2.02 intake valves. These heads will bump compression quite a bit compared to most 350 heads and they tend to flow pretty well for production heads. If you use fuelies, make sure they have ...Because in the history of the SB Chevy 283, the ONE and ONLY 283 to come with double hump heads from the factory, was the 1961 275hp or 315hp/283 fuel injected Corvette engine! Yep, one year only, FI only! If the engine stamp pad is coded CR or CS and has a cast date code for Sep 60 through Aug 61, it's a somewhat valuable piece of parts.Do any of the aftermarket head manufacturers produce a Chevy head without accessory holes or the flat machined pads on the ends? In other words, power pack or camel hump look-a-likes. You would think that there would be a market for good nostalgia motor heads.If you do go with a set of camel hump heads, I would look for a set that had the accessory bolt holes. In my opinion, the Trick Flow heads from Summit are hard to beat for the price and performance. Good luck. Wes Reply Like. 07-02-2004, 07:49 PM ... Using 9.5 CR, the Crane 327/350 hp cam, Performer RPM manifold, Comp Cams 1.52 roller-tip ...736 posts · Joined 2010. #2 · Apr 25, 2011. depends on your hp goals, the 194 will be good stock till about 3-350hp. the 202 heads will be slightly better but if you just look at the valve size change by itself it's worth like 5hp maybe. now, i don't know if the runners are that much bigger or not in the 202 heads, but i'd stay with the 194 ...How to make a ton more horsepower from the Double Hump heads. We discuss our "UnderCover" work, SST Porting and CNC Sportsman Porting.The current recommendation is that I change the heads to either Vortec or 2.02 double hump. Chevy SBC Assembled Aluminum Camel Double Hump 461Depending on the casting numbers some of those The best "double hump" head, and the only one trul

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W. Wooderson Discussion starter. 541 posts · Joined 2001. #.

Chevy Forums FREE technical assistance for your restoration and repair. Model specific subject matter experts, classified ads and more.What is camel hump Chevy head? 62 up 327 300 hp and higher had "camel hump" heads. these have 64 cc combustion chambers for 10.5 compression on a 327. ... (3" stroke) 302 dome-top pistons and ...6079 posts · Joined 2019. #2 · Jul 6, 2019. Well Vortec heads are better out of the box over the old camel hump heads. They can be had cheap now but you have to check them for cracks prior to doing any work on them. L-29 461 BBC 11.10@118mph 9-30-22. 10.65@125mph 406 with home ported Dart 215 heads.Heads have screw in studs/guide plates, are machined for .495 pos-lock seals and have 1.450 spring pockets. Will replace .040x1.55 gasket with .039x4.166 gasket. Should be 9:1 but with .065 quench. New Manley Street Flow 11/32 2.02/1.60 valves, positive lock seals, comp 26986 beehives with 10 degree PAC retainers/locks.The "true" camel hump heads (through 1968) were used on 302's, 327's and 350's, commonly known as "461", "462" and "291" depending on year, some carried over also. There were some slight chamber shape differences in the 63-66/67,68 castings but as an example the 327/350 hp engines through their four year run were basically the same.My guess is that the camel hump heads are probably good for 15-20 hp on a street engine just from the compression ratio increase. Flow will be close to the same. Vortec heads (or 461X camel hump heads) would be worth another 15-20 hp on a street engine.quality aluminum heads stay away from the pro comp and other chineese junk. you can get dart 200cc aluminum for about $1000 a pair complete. figure a good set of camel hum cores is about 150-200 plus another 500-600 for a good valve job with hard seats, good valves, and springs to work with a performance cam and your almost there anyways. the aluminum will perform better no matter what.Pardon the dirt, (I haven't done my spring cleaning yet) but this pic shows the 67-68 power steering setup. There are two brackets, one on the left side mounts to the front of the block, and a rear bracket that attaches with the engine mount to block bolt. 68 Z28, CE warranty engine, 302, M21, 4.10, mine since 83.The head on the right is from a camel hump head from the 1960s. You can really tell the difference between the sizes of the valves. ... with 72-degree center bolt angles. Use with matching intake manifold. These heads are used on the 350/285-hp crate motor. It uses center bolt valve covers and has hard seats. PN 12356026/Casting number 14011083 or …Or you could just buy a set of brand new Dart or similer heads for 5 or 600 bucks and bolt them right on. And they will make more power than those 461's ever will. Max valve size (for an expert ) is 2.05 1.60 or 2.02 1.65 ( absofrigginlutly the max ). But really 2.02 1.600 is the norm. Like.Flummox your coworkers with an "Insert Coin" message on the office printer using the HP Printer Job Language (HPPJL) command set. The Hackszine blog describes how to customize the ...The Camel Hump heads have 1.94 intake (you said exhaust) and 1.50 exhaust. 1965, you could have the #461 or the #462 heads (all this if I remember correctly, am away from my books), 461 has a slightly smaller chamber ... Apparently they needed these to get 250 HP out of the engine. There were 327's that had larger ports (69cc) and …Frankly, the easiest way to make 400 to 425 horsepower would be to buy a 5.3L truck engine and put on a carbureted intake manifold, a 750 cfm Holley carb, headers, and stick in a mild hydraulic roller like Summit’s Stage 2 truck cam with 218 degrees of duration. That’s not what you asked, but that would be the easiest way to achieve 400 hp.Well with a set of 291 Camel Hump heads, no intake runner porting, no chamber porting, bowl ported, 2.02"/1.6" valves installed, exhaust runners ported smooth then polished. These heads made around 530 Horsepower on a 400 Small Block built very mildly. ... (We Hardblok EVERY GM block regardless of HP). modified oiling system, bored, plate honed ...The original heads used on the L79 are the same as the L76 and L84, the famed “Camel Hump” 461 castings with 2.02”/1.60” valves. Keep in mind that most 461 double-hump heads have 1.94”/1.50” valves, only the select few used on L79, L76, and L84 engines had the larger valves.For example, I chose a few different head designs and challenged myself to learn via the web, what should be my operating procedure in gaining some horsepower through some simple porting. I researched the best head-porting tactics for small-block Chevy double-hump heads, and iron big-block Chevy rectangle-port heads.The REALLY sought after heads for 57 283s are the heads for the 2x4 carb engines. The VERY FIRST "fuelie" heads with the double hump symbols on the ends of the head, was 1961. It was a Corvette ONLY engine, 315hp/283 with FI. The valve size in those heads was 1.94/1.5, which remained through 63 on the "fuleie" heads.7793 posts · Joined 2001. #2 · Dec 26, 2007. The camel back heads only have about 160 cc intake ports. For a 383 200cc seems about right. I have heard of 180cc heads giving outstanding results. Your 462 heads were awesome in the 60's and 70's even the vortec heads will out perform them now.Both heads feature 64cc combustion chambers, 176cc intake runners capable of excellent flow and velocity, standard 1.94 in. diameter intake valves and 1.50 in. exhaust valves. The intake port opening for the EQ CH350G/H is designed like the 69-85 intake ports to provide easier port and gasket matching.The 492 was the last of the double-hump heads. It was standard equipment on the 350ci LT1 engine produced in the early '70s. Perhaps the factory double-hump head closest to the new Trick Flow offering was the 461x non-production race head. It came with 172cc runners and a larger combustion chamber. Here's the intake side of the DHC 175 head.your heads are the 350hp heads with the larger valves. most people ref. to double hump heads are thinking the 300 hp smaller valve heads, or at least i do. 300hp 327s and the 350 hp angle/straight plug heads are different.quality aluminum heads stay away from the pro comp and other chineese junk. you can get dart 200cc aluminum for about $1000 a pair complete. figure a good set of camel hum cores is about 150-200 plus another 500-600 for a good valve job with hard seats, good valves, and springs to work with a performance cam and your almost there anyways. the aluminum will perform better no matter what.Period. In 1964, when the solid lifter 327s were increased to 365hp (Holley) and 375hp (FI), the double hump heads got the 2.02/1.6 valves and the 300hp/327s retained the 1.94/1.5 valves (the 250hp base engine got the pyramid heads with 1.72/1.5 valves, no good!). These first "fuelie" heads were 3782461 castings and some 461s got an X added.Rebuilding my old and tired 327 Camel Hump Heads from 1967. Cleaned, lapped and refreshed with new seals and retainers.#1967impala #chevroletimpala #chevyim...Let me start by saying im ignorant on alot of things about engines, but Id like to replace the camel hump heads on my 350 because i would like heads with accessory holes. I dont want to spend alot and if I get a small bump in performance than great. I am using a performer RPM intake and would like to reuse it to save money if possible.Chevy SBC Assembled Aluminum Camel Double Hump 461 Cylinder Head made by Speedway Motors, for as low as $419.99.A group of camels is referred to as a caravan, flock, train or herd. The Arabian camel travels up to 100 miles without drinking. It stores 80 pounds of fat in its hump, converting ...Since my engine is stock numbers matching L79 327/350The only information I've seen on the heads is

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HP has an Ubuntu-based netbook, the Mini 1000 Mi Edition, that brings a whole new look to Linux laptops. Luckily, regular ol' Ubuntu users can put some of the Mini's black-and-blue...Re: Max lift for 462 Camel Hump Heads 11-28-05 07:33 AM - Post# 824747 In response to slimlynn1 you REALLY should measure to be sure!as the springs coil bind,or retainers or v-guides may be slightly differant than average or they may even have been changed at some point, after all those heads are not exactly new and you or the previous owner may have changed things, but generally about a .480 ...from Valparaiso Indiana (area) Is nothing sacred! "On the outside, the heads have the original double hump stampings and styling with drilled accessory holes and straight plugs for the nostalgia look. The "nostalgia look" died in 1969 when those accessory castings came on scene.The very first "camel hump heads" were actually used in very limited quantities on the highest horsepower corvette fuelie 283s. The first production of the "fuelie" head was 1960, and the 327 did not exist at that time as a production engine.quality aluminum heads stay away from the pro comp and other chineese junk. you can get dart 200cc aluminum for about $1000 a pair complete. figure a good set of camel hum cores is about 150-200 plus another 500-600 for a good valve job with hard seats, good valves, and springs to work with a performance cam and your almost there anyways. the aluminum will perform better no matter what.I am looking to replace my 462 camel hump, 64cc, 2.02" heads due to a crack that has developed. I am basically on a no-string budget, so I am looking at the "cheaper" assembled head options: Brodix IK 180 & Dart IE 180. Both heads are 64cc. ... The 170's are used on edelbrock's crate engines up to 440 hp. An awesome street head …Take the intake valve max lift, say, .500 at the valve, and check the flow of the head (intake side) at that lift and double that number and thats the max hp that head will make. Looks like this .500 lift and [email protected] lift equals 420 max hp from that head. Airflow equals hp which is why head porting is part black art and part science.Back in the 60's and 70's they were THE performance head for SBC's. They were available with 2 different valve sizes, 1.94 intake and 1.50 exhaust on standard 327's and some early 350's and 2.02 intake and 1.6 exhaust on the high performance 302, 327 and 350. The 2.02/1.60 versions were known as "Fuelie" heads as they first appeared in 1962 on ...Apr 14, 2019 · For port matching your intake and heads, you can find your ideal intake manifold gasket to use as a template. Holley Performance/Mr Gasket offers this port gauge I use with 28 popular port sizes for small- and big-block Chevy heads. The hard plastic material makes scribing your heads easier. The Tools Basic head-porting tools will not break the ...10174 posts · Joined 2005. #1 · Oct 21, 2021. We did a project for a customer and the heads ended up leaking water on the dyno...so he is going with the TFS Double Hump head castings. Here are some numbers before final tuning: Lift Int Exh. Valve 2.020 1.600". .200 132 116. .300 198 148. .400 250 176.Jun 16, 2006 · Camel hump heads. Good evening to all. I am finally back into hotrodding, and have a couple of questions for whoever can answer them. I have a '59 El Camino that my uncle put a 327 in from a 1965 impala. I have since pulled the engine out and I am begining the rebuilding process. I noticed that the heads had the unique camel hump stamped on the ...Hi guys i hope you can help me i just want to know which set of chevy camel hump heads flow better the 461 or 462 im bearly going to start to rebuild my engine i still need alot of parts to finish my project but i want to know if i can use either of those heads to see 500+ hp im going to be using a casting # 3970010 block. ThanksT. techinspector1. 18069 posts · Joined 2005. #2 · Nov 3, 2006. "492" – 3991492. Good performance head. They were found on 1970 LT-1 engines. They had 2.02/1.60" valves, 64CC combustion chambers, DO have accessory holes, intake port volume should be 161CC's, exhaust port volume should be 62CC's. These heads have …The heads are going on a 327 with: 11:1 compression, Isky 280 Mega cam (.485 lift, .050 is 232 degrees on I&E), Comp Cam Magnum roller tip rockers, Carter 750 AFB, late 80's GM LT1 aluminium hi-rise intake. The car is a 4 speed, 3.55 rear.46 posts · Joined 2008. #1 · Mar 8, 2009. I have a 327 with 461 heads in my 55 belair. The heads do not have bronze valve guides or hardened seats. Do I need to have new guides and hardened seats installed when i have the heads redone. My mechanic fried says that low octane and not unleaded fuel causes problems.The old camel hump heads on my Austin gasser I bought simply for the nostalgia they have. They're small 59cc chambers, and had been completely rebuilt with new parts, so I grabbed them for $400 and my old non camel hump cores. ... I'd probably gain a lot of HP, and lower my high compression 11:1 ratio if I bolted on a pair of fresh 487x heads I ...Looking for Cylinder Head upgrade help- Current setup is - 355 CI SBC LF2304 piston w/ 2.4cc dome should be around 11to1 w/ the current camel heads, think they are around a 64cc size Camel hump heads with a 2.05 intake valve and quite a bit of clean up port work. Camshaft- Duration@ .050-...Today I picked a set of 461 heads. They were built years ago by Larry's Performance in Montebello, Ca. but never used. The quality of work appears very good. 2.02 intakes and 1.6 exhaust. The intakes were gasket matched with very little work in the pocket. The exhaust were fully ported from the gasket surface into the seat, with hardened ...Originally Posted by toddalin. Actually, no, at least on Corvettes. 300 hp heads are "camel humps" and 250 hp heads are "diamond" patterns. BTW, my engine started its life as a 300 hp and even with reduced compression (~9.5:1) it runs so much better with the "151" (327/350 hp) cam than it ever did with the 300 hp cam.UPGRADED SBC Camel Hump Cylinder Heads 461 STAINLESS VALVES HARDENED SEATS. New (Other) C $1,640.33. or Best Offer. +C $376.58 shipping. from United States. Sponsored. streetrodshq (10) 100%. OEM GM Solid Lifter Camshaft & Lifters 3736097 1957-1963 Small Block Chevy HIPO.1418 posts · Joined 2000. #1 · Feb 7, 2006. I was really leaning toward a set of aluminum heads, but my cousin called and said he had a set of 202 camel hump heads off his 327. He has roller rockers to go with them. The 327 is dead and now he has a LT-1 which he is putting into his 67 camaro. I currently have a mainly stock 350 with 882 76cc ... If you buy the camel hump heads, make sure you have a way t