Thanks guys, Right now, i'm thinking of getting a set and not running my world 72cc heads for two reasons first they wont look right, and second, ive decided i want to up my compression to around 11. I know normal camel humps are around 64cc's that is gunna put me around 11.8, and that i think for a street rig is gunna be a little too much.from Long Sault, On. canada. If my memory serves me correctly when the 327 first made it,s appearance in 1962 as a 250 hp engine the markings were a single hump . In 63 a 300hp version was available with double humps but the 250 hp engine was still available until 1965.In 1966/67 the 327 became a 275 hp engine with double humps and …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 should be 65CC's.Camel humps are primarily composed of fat tissue, which serves as an energy reserve for the animal. However, this stored fat also assists in water conservation for the camel. When camels consume food and water, the food is broken down into energy and waste products. The waste products, in turn, are excreted by the camel.How to make a ton more horsepower from the Double Hump heads. We discuss our "UnderCover" work, SST Porting and CNC Sportsman Porting.Step back in time with our modern reproduction of the iconic Chevy 461 double hump cylinder heads, now cast in lightweight aluminum! In this video, Joe and Wyatt discuss the features that bring the vaunted camel hump heads into the 21st Century.The Rochester mechanical fuel injection option was first offered on the 283 cubic inch rated at 283 horsepower. This was the first engine to offer one horsepower per cubic inch. This is why the double hump, or camel hump heads are called fuelie heads. Today we expect 1.5 horsepower per cubic inch out of the small block; so we have become ...Ported with a 1.940 valve I get around 260 CFM @ .550 lift. A 291/462 fuelie flows generally in the high 190s stock round .500 lift. Ported with a 2.02 valve still thick enough to use I get around 262 CFM but @ .650 lift. On the exhaust I get around 210 CFM, which I don't think I've seen on the Vortec head.I have some unmachined 462 Camel Hump heads, what is the max lift for these heads without machining the guides? Thanks 1988 K5 Blazer, 377 TH400 NP208 4000 stall, 14 FF, D44, 4.1 gears, 37" Boggers.Auto Dynasty Straight Aluminum Bare Cylinder Head. 4. Speedmaster PCE281.2010 Chevy SBC 350 (205cc, 64cc) Straight Hydr-FT Complete Aluminum. 5. Speedway Chevy SBC Assembled Aluminum Camel Double Hump 461 Cylinder Head. Things to Consider Before Choosing the Best SBC Heads for 500 HP.327 SBC Camel Hump Heads Messenger Motorsportscamel hump heads ===== 64cc not 76cc. Post the numbers of the heads . Save Share. Like. R. RB69SS396Conv. ... "Right angle" casting identifier, 64cc chamber, accessory holes, good HP head Neither of those are true "double humps". I have no idea what the -191's characteristics are but they started production on those way after the "double hump ...The exhaust ports are cast at 74cc, and flow almost 200 cfm at .500-inch lift. All of these performance numbers are an improvement over the factory originals. Here’s a CAD representation of the Trick Flow DHC 175 head, showing the exhaust side.That said, while a stock 350 Chevy may only have 200 or so hp, you can easily make 300 horsepower with a 350 Chevy budget build and upwards of 600 horsepower with a Chevy 350 max hp build with the right combination of parts used. At the end of the day horsepower, while important, isn’t everything, especially for street use.The 1940 Packard Darrin One-Eighty Victoria Convertible ragtop was known as a status symbol. See photos and learn more about this sporty car. Advertisement Given the times, it was ...Instantly the HP rating increased 55HP to 255 HP primarily from the power of these cylinder heads. ... The bowl area is wide around the guide - much wider than the old 'camel-hump' heads from back in the day - and the intake valve seat has a 3-angle grind from the factory. ... (not enough to notice.) Max valve lift is .460 to .480 (range is due ...Camel back, double hump,fuelie heads, are all names for 461,462 & 291 head castings, and I think they WILL work on a 305. If I'm not mistaken, they would lower your compression ratio, though. I think 305 heads have 58CC combustion chambers, and the above named heads have 62-65 CC combustion chambers. I woud imagine that the intake runners on ...Yes and no. "202" refers to the intake valve diameter of 2.02". Fords and Chevys usually don't have an intake problem... they usually have an exhaust problem. If you've got a set of stock cast iron heads and had them fitted with 2.02" valves and think you're going to get more horsepower, you're just kidding yourself unless you did some more ...Truck is 4500 lbs, 700R4, D44/GM12-bolt and 33x10.50 BFG ATs; needs change from 3:31 to 4:10 gears. I'm at sea level, 60-70F year-round and CA91 octane. With only 31-32 degrees mech advance I was getting knock under load. Internals were a mystery so I pulled the heads to investigate.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 ...T. 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 …Body, Chassis and Mechanical. Drivetrain & Performance. Camel Hump HeadsLooking to upgrade my cast iron 462 camel hump heads for aluminium 461 with 2.02 & 1.60 valves will buy bare heads so I can setup valves and springs myself. Has anyone used and or had problems with the aluminium Speedway or Trick Flow camel hump heads. To go on my factory 327 275 hp sbc in my 1967 Camaro. Cheers. Like. Sort by Oldest first.I have acquired a freshly rebuilt set of 291 double hump heads with what seems like 2.02 intake valves, and a 400ci 511 block that is allegedly 0.040 over already. All for $0.00 mind you. I'm currently building a 305/nv3500 powered 1984 Ford Ranger, just a weekend toy, probably never going to see the strip but once or twice when i get a wild hair.Max Brake Horsepower: 235 @ 4800 rpm. Max Torque: 325 @ 2800 rpm. Stroke: 3.25. Bore: 4.001. Compression: 9.00. Firing Order: 18436572. Information and engine specs on the Chevy 327 V8. Engine parts and information for the Chevy 327 V8 such as horsepower and firing order. The 327 by Chevrolet was produced from 1962 to 1969.They actually ran very well. The 327-300 engine used the double hump heads, with larger 1.94" and 1.5" valve size, larger port intake manifold with larger Carter AFB carb, and larger dump ram's horn exhaust manifolds. The basic shortblocks of the two 327s were basically the same. More than likely your block number is 870.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.This video shows you how to identify camel hump heads.Comments welcome.Chevy SBC V8 Bare Aluminum Camel Double Hump 461 Cylinder Head - https://www.speedwaymotors.com/Chevy-SBC-V8-Bare-Aluminum-Camel-Double-Hump-461-Cylinder-Hea...3973370 heads were used on 69/70 Chev or pontiac 350/300HP engines, at least in Canada they were. Basically same head as the 186. They were only availiable with the 1.94/1.50 valve . 2002 Jerry Bickle Cavalier, 446" Small Block, Brodix Canted Valve, lenco 5 speed, 7.54 @ 180. mph,1.06 60', 2235 lbs for 2014. GM Canada Docs, Highly …Hello, I have the following: 462 camel hump heads. 355 C.I. small block chevy. flat top pistons, 10:1 compresion ratio. camshaft: 106 degree LSA, 250 degree duration at .050". 165-180 cranking PSI in all cylinders. Quadrajet, stock intake, exhaust and heads, no porting (it is on a circle track street stock and those are the rules).SBC Camel Back / Double Hump / Fuelie Cylinder Heads and Roller Rockers These Camel Back iron cylinder heads came off of my running 327. I just swapped for a new set of aluminum heads for more power and less weight. Overall, the heads are in great shape and there are no problems with them that I'm aware of - but, as with any used engine part, I would certainly have a machine shop check them ...These heads will also interchange with other camel hump heads with casting numbers 461, 461X, 462, 291, 292, 186, 041, & 492. These heads will fit all 265, 283, 302, 305, 307, 327, 350, & 400 small block Chevy engines from 1955 to 1986 with no modifications (steam holes will need to be drilled for a 400) and 1987-1999 with correct intake ...Nov 25, 2001 · These flow #'s were just something I found off the 'net, I don!t know how valid the data is. They are supposed to be for an untouched 461 head with 1.94/1.50 valves. I hope this helps. -----69 Camaro Z28 "clone" - 327 AT "461" camel back heads, edelbrock, hooker, ultradyne, TRW etc. 700R4 TPI transmissionShop Chevy 350 Heads and get Free Shipping on orders over $149 at Speedway Motors, the Racing and Rodding Specialists. Chevy 350 Heads in-stock with same-day shipping.The heads you have (462) came along in 66. Basically, there were two versions of the 461 and 462 double hump heads. Both versions were the exact same casting with the differences only being in machining and valve sizes. They either had 1.94in intake valves/1.5in exhaust valves or 2.02/1.6in valves.305 posts · Joined 2022. #1 · Sep 13, 2022 (Edited) So, I figured out today that I've got double hump heads in my 56. I finally got to spend a little time out in the garage after getting the car. I recently picked up a set of autolite 26 plugs for the car thinking I had regular heads from the engine in it.Identified by Double Camel hump symbol. #3782461X - Manufactured from 1960-1963 on 283 and 327 Cubic Inch engines. 172/64 cc port volumes, 62cc combustion chamber. Identified by Double Camel hump symbol. #3890462 - Manufactured from 1966-1967 on 302, 327, and 350 Cubic Inch engines. 64cc combustion chamber. Identified by Camel hump symbol.Jan 9, 2008 · Im trying to find out if these would be good heads for a 350 buildup. the 461 heads are very nice heads, but the vortec is a little better performance wise. comp. varies depending upon head gasket used and how far down in the hole your pistons are, and if flat top or domed or dished. sam-missle. Like. D.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).The “double hump” or “fuelie” heads have been around since the 1960’s. They are still used in a variety of applications. We have a good supply of used ‘186 & ‘492 heads available with everything from “ Undercover Porting ” to CNC Sportsman Porting. Stock “double hump” heads flow 202 cfm intake and 141 cfm on the exhaust.Shop 327 Chevy Small Block V8, Cylinder Heads and get Free Shipping on orders over $99 at Speedway Motors.Fully ported and assembled Chevy Camel hump 461 heads. Sbc Chevy heads. Nova, Chevelle, Corvette, Camaro. Old school Iron, Muscle car cylinder heads. Bad to ...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.Identified by Double Camel hump symbol. #3782461X - Manufactured from 1960-1963 on 283 and 327 Cubic Inch engines. 172/64 cc port volumes, 62cc combustion chamber. Identified by Double Camel hump symbol. #3890462 - Manufactured from 1966-1967 on 302, 327, and 350 Cubic Inch engines. 64cc combustion chamber. Identified by Camel hump symbol.The VERY, VERY, VERY first heads with the double humps, as already mentioned, were introduced in 1961 on the 315hp/283 with Fuel Injection. Those heads were ONLY on the 61 FI engine (thus the origin of the term "Fuelie heads") and they had 1.94/1.5 valves and also as mentioned, they were the 461 (and 461X) castings.Jun 11, 2019 · 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.Jun 10, 2016 · I believe the INTAKE valves are the 1.92" in diameter and the exhaust are 1.50". These were the heads used in 1965 on both the 327 - 250HP and 327 - 300HP. If the engine was the L79 series 327 - 350HP the heads had 2.02' intake and 1.6" exhaust - I believe. The cams used in the 250HP or 300HP were pretty mild, good idle and low-end torque and ...Max 395 tq, 308 hpAvg 376 tq, 266 hp. From this point on, except for the changes listed, nothing else was touched. ... We compared figures to the stock "camel hump" heads (Test 12) and found that ...Double hump, aka Camel hump heads were big valve performance heads from the mid sixties through early seventies. Most had 1.94" (1.94's) intake valves. Some had 2.02" (2 OH 2's) intakes. Some had screw-in rocker arm studs. These heads, while dated by todays standards, can still be made to work well in a performance application.Back to your original question, most people call the "camel hump" heads fuelies but as stated before, only the 461 were true fuelies. There are several closed chambered heads with different casting numbers and markings that will perform as well and a original fuelie head. You need to get the last 3 numbers from the casting numbers and look them up.camel hump casting numbers. I got these for $150, are they worth it? 3782461 1964. 62 cc, 2.02 intake, 1.60 exhaust. They come off of a 327. What I want to know is the horse power rating and the compression rating ( if there is one!)The description says unique chamber and great performer.I had my 67 on a dyno on Monday. It has a .030” over 327, flat top pistons, “462” double hump heads with 1.94/1.50 valves, Comp Cams XE262 with 218/224 duration @.050 and .462/.469 lift, 670 Holley on a Performer RPM intake, stock exhaust manifolds with a transverse muffler, 4 speed and an 8.5 ten bolt with 3.42 gears.HP unveils sustainable LaserJet printers, powered by TerraJet toner for reduced energy usage and plastic waste. Ideal for hybrid workspaces. HP has announced the new HP Color Laser...The Chevy 350 max hp question really comes down to your Chevy 350 build parts list and your budget for said parts. You’re obviously not going to make a max horsepower effort with a 350 Chevy budget build. That said, while a stock 350 Chevy may only have 200 or so hp, you can easily make 300 horsepower with a 350 Chevy budget …Had camel hump heads, Z-28 off-road mechanical lifter cam, 11:1 pistons, Offenhauser 360 degree intake, 650 Holley double pumper, etc. Ran the snot out of that motor.Re: Chevy 186 head flow questions. by steve25 » Wed May 19, 2010 4:43 pm. If they started out as heads fitted with 1.94" intakes and the chambers where not unshrouded for the 2.02" valves they flow about 210 to 215 cfm@28". I have ported these to 265 cfm@ 28" with the avaerage amount of rust and core shift they have after all these years of use.And the nick name Camel Hump was born. This was a considerable improvement over the other head that came stock. If you raced someone with them, and you did not have them. You could with almost 99.9% certainty you were going to see tail lights. The next head was the angle plug head, AKA 292.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. See More. $609.99. each. On Backorder.T. 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 double hump casting marks.Chevy SBC Assembled Aluminum Camel Double Hump 461 Cylinder Head made by Speedway Motors, for as low as $419.99.GM Chevrolet 302 327 350 Camel Hump SBC Rebuilt Cylinder Heads PAIR 3917291 OEM. Opens in a new window or tab. ... SBC Complete Aluminum Cylinder Heads Straight Plug 205cc Max .650 Lift 3/8 Studs. Opens in a new window or tab. ... 50 product ratings - Elgin EHC-99S SBC HP GM Chevy Racing Cylinder Head Bolt Kit 283 305 327 350 400. $42.95 ...