461 Double Hump Heads Specs

7 pawn warriors 60,982 147. 500" lift that Comp. The second dot outside the circle indicates the start of a ten-hour shift. They had 461 and 461x castings and had the double camel hump on the ends for the HP heads then, the 250HP 327 still used the PowePak heads that were on the HP 283's. These were an excellent performance head. The intake port on the "X" casting was 172CC's, and the exhaust port was 62CC's, valve sizing was 1. Available for a variety of applications (see chart). i am picking up a complete set of 461 camel/double hump/fuelie heads (whatever you want to call them) from a friend for 75-100 bucks next week. 10 The big port 461/camel hump head (casting number 3782461) arrived with the 327 in 1962 with 1. I don't see a problem with them, but big money can be spent on them. Engine Block and Heads Casting Numbers Engine Block Casting Numbers. Chevrolet double hump, or camel hump, cylinder heads are named after the casting mark found on the front of each cylinder head. Thus, "fuelie" heads were the hot ticket, especially for the non-ported guys. This car scream will roast the back tires from a stand still launch. YEARS: CASTING# CID: Intake : Exhaust: CC : COMMENTS: 1971-75: 330545 : 307,350 : 1. Aug 16, 2017- Explore robertmcsorely's board "383 Stroker" on Pinterest. Finally, did these heads ever come with screw in guides. 461 and 461X (double hump)-These were the original double-hump castings and feature 64cc combustion chambers and a 2. Upgrading the cam, heads, and swapping out the TH350 that lost 2-3 gear. rebuilt sbc # 492 , chevy # 3991492 angle plug double hump fuelie cylinder heads: $895 Up for sale is a professionally rebuilt pair of date matched Small Block Chevy 2. 60-inch valve sizes. I also have a pair of camel back heads and headers. Thanks! We appreciate the support and encouragement we have received from our visitors around the world for the past 20 years. Cylinder heads are normally date coded in the form of a letter for the month (see table below), two numbers for the day and a single number for the year. I'm running a stock cam and hydraulic lifters. It used the '202' / valve diameter high-performance 327 double-hump '461 heads, pushrod guide plates, hardened 'blue-stripe' pushrods, edge-orifice lifters to keep more valvetrain oil in the crankcase for high-rpm lubrication, and stiffer valvesprings. 60 valve diameter high-performance 327 double-hump `461 heads, pushrod guide plates, hardened 'blue-stripe' pushrods, edge-orifice lifters to keep more valvetrain oil in the crankcase for high-rpm lubrication, and stiffer valvesprings. He said they are definitely double hump etcand definitely off a Corvette RD Flint motor. stock intake headers 461 double hump heads. It used the '202' 2. Engine is a 350 chevy 010 block with double hump heads with the bolts holes for accessories. 60 64cc With. The "X" heads had double hump casting marks as well. Chevy 461 High Performance Heads: Referred to as "Double Hump" these are the high performance ones with the "X" markings, these were the secret the GM used to achieve the highest horsepower rating for the Corvettes fuel injection system. See more ideas about Engineering, Crate motors and Chevy. I was thinking you had a 327 and was making my choice based on your mountain driving comment in post #5. New 406 Build 2- 3927186 double hump SBC heads Rebuilders. Chevy Double Hump Heads Specs | It Still Runs. 3 with better exhaust then 11. As you’ll remember, my post was rather short and pretty limited in terms of content (just one pic!). ] Xtreme12x Dirt Forum Champ Total posts: 874. The difference in hp. I'm fairly confident it broke/rolled the intermediate Sprag. I Have A 350 Bored 60 Over Speed-pro Pistons10. 02 intake valves were the '64-'66 365 and 375 HP versions of 327. 180 matrix-whether. These were an excellent performance head. Selling out boys and girls! Everything Ham related must go. 64CC 461 Double hump heads with 2. No double hump or Vortec heads. We offer a plethora of Used Small Block Chevy Heads for your vehicle needs. remoイベント、よかったー。個人的にはブンガブンガレコードの話が予想外に(笑)おもしろくて、ここ数日は「チャン・ギハと顔たち」&「ブロッコリーお前もか」の音楽ばっかり聴いている。. They had 2. Please note that all of our engines can be made turn key. It used the '202' 2. 7:1 331 SBC with 461 double hump heads (bowl ported) and a Comp Cams 270 Magnum solid flat tappet cam for my first V8Z buildup. As new castings are released on late models keep your eyes open for the new numbers. The cylinder heads used on many 327 motors were 461 castings (#3782461) with 1. Won't start! 1979 Corvette 350 CID I replaced the stock heads with double hump 461 fuelie heads, installed stainless steel shorty headers, reinstalled the Edelbrock Highrise Performer manifold and 650 Holley. Theres a hump on the Bullet slides that help increase the velocity of the slider. 100" angle mill job gave the heads enough compression to be competitive and they still had the right casting number to get past the tech inspectors. I've had this block for 12 years and never bothered to find out what exactly I had. the X heads have a X on the bottom side of the end intake runner also under the casting. 73 gears (or so the PO says) Anyway my question to you guys is, what should i get in order to open up the top end of my 350, after like 50-60. 399" ~ 300* Duration ~ 78* Overlap ~ Hydraulic Camshaft. The easiest way to reference any production head is with the last three digits of its casting number. For Sale by Owner - 1967 Corvette 427 3x2, 1957 Bel Air 2dr Hard Top, 1970 Torino Cobra 429 SCJ, 1967 Chevelle SS396 375 hp, 1969 El Camino SS396 375 hp - www. Most of the double hump heads, hits a bottle neck in flow at. The essence of an autopsy in the criminal investigation process is an attempt to uncover a truth related to what happened and ascertain the cause of death of the body or victim, so that in the investigation process can be known and confirmed the crime that caused the death of the victim so that the investigator. But riding in Z's with 383s killed that for me. 7:1 331 SBC with 461 double hump heads (bowl ported) and a Comp Cams 270 Magnum solid flat tappet cam for my first V8Z buildup. I bought that 401 for $3000 a few years ago. I 'assume' they will be ok for low boost. Audio Asylum - Search of All Forums - Enter your search criteria. 94" Intake and 1. engine 327ci bored. Soapbox: Why Grand Theft Auto V Isn't For Me. "The double standard has got to stop," said L. Thanks! We appreciate the support and encouragement we have received from our visitors around the world for the past 20 years. 060 over 283 with an Edelbrock Performer cam and intake, close ratio 4 speed (2. These heads feature small chambers for high octane fuel, smaller intake ports and larger valves for better flow. The first potential accuracy robbing issue hides inside the stock. The block has been bored to. If my thinking is correct, 64cc heads being used on a 1970 engine it would of had accessory holes in the front of the heads. Based on the iconic “double-hump” or “camel-back” (fuelie) cylinder heads of the ‘60s and early ‘70s—including the famed 461 Fuelie heads—the DHC 175 castings are modern aluminum versions with straight spark-plug locations and improved 60cc combustion chambers. The 461's and 462's didn't have accessory holes. Click on the header to sort. So, it drop a full second in the 1/4 mile with better exhaust and heads. That intake is for 4V heads and isn't a good port match to the high port heads. Cylinder Heads OE heads with adjustable valve train HP Cam 224/[email protected] stands behind each product we manufacture 100%. I'd like to keep the block and maybe the quadrajet carb. Cast iron, 461 double hump, 2. I bought that 401 for $3000 a few years ago. Theres a hump on the Bullet slides that help increase the velocity of the slider. At the top of the body-matched mill, custom, color-keyed air tubes force wind in to a polished Edelbrock intake that's juiced by tuned port fuel injection. The intake port on the "X" casting was 172CC's, and the exhaust port was 62CC's, valve sizing was 1. YEARS: CASTING# CID: Intake : Exhaust: CC : COMMENTS: 1971-75: 330545 : 307,350 : 1. No angle plug heads on GM cars. 94" intake valves which I switched out for 2. Selling out boys and girls! Everything Ham related must go. BEING, IN THE ABSTRACT. As you’ll remember, my post was rather short and pretty limited in terms of content (just one pic!). 02 intake valves and putting those on with a DZ aluminum intake and the Holley carb. 50" valves that would work just about as well for street driving - although the newer Vortec types are better. Chevrolet double hump, or camel hump, cylinder heads are named after the casting mark found on the front of each cylinder head. Double hump lid has 19inch simmons short shift ripper has 6ltr ported shaved heads not sure of cam specs as it was done by previouse owner but sounds lumpy. And a build code of B266. 1 Global Worker Safety, 2. Dart Machinery, LTD. 60 valve diameter high-performance 327 double-hump `461 heads, pushrod guide plates, hardened 'blue-stripe' pushrods, edge-orifice lifters to keep more valvetrain oil in the crankcase for high-rpm lubrication, and stiffer valvesprings. That intake is for 4V heads and isn't a good port match to the high port heads. The 461 casting head has a different looking combustion chamber than the other double hump heads. For Heavy repair section for GM Workshop Jhansi: Replacement of LT cable 300 sq. But riding in Z's with 383s killed that for me. Manufactured to the highest quality with all of the features of the original OEM Honda item. 5001 : 74 : 1971-73: 330862 : 400 : 1. FRAME OFF RESTORATION. INDEX 58 Full back Full length double side zipper for easy access durable nylon chassis 3” of inseam adjustment, boot gaiter keeps snow and cold air out Full back Full front 3131-0224 8” of shoulder strap adjustment 1 chest pocket with hook and loop closure GOGGLES RIDING 2 zippered waist pockets www. 05's though and did fine ,,, i'd be very careful how i bolted them down ,, i'd inch up on final torque 5 ftlb at a time , and i'd stay on top of the temp for sure. Powering this bad to the bone T-Bucket is a 350 small block Chevy with 461 Double Hump heads featuring heavy duty valve springs, an Edelbrock camshaft with. stands behind each product we manufacture 100%. The mag box has been longer than necessary and this creates undo stress and torque on the action. and the large valve heads (2. there were 461 and 462 double hump heads. 1963-64 Corvette Nova SS Chevelle Chevy II Impala 327 3782461 double hump heads 5 out of 5 stars 2 product ratings 2 product ratings - 1963-64 Corvette Nova SS Chevelle Chevy II Impala 327 3782461 double hump heads. Double-hump heads are a specific casting of cylinder heads for Chevrolet’s Small-Block V8 engine. The success of these heads cause every Chevy cylinder head with the double hump casting identifier to be referred to as fuelie heads for an entire generation of hot rodders. 480 hp potential naturally-aspirated. I'm going to put all of these on the engine but i need help with the cam. 1973 Camaro Z28 (modified and non-numbers matching) 350cu in Edelbrock victor jr intake 1. YEARS: CASTING# CID: Intake : Exhaust: CC : COMMENTS: 1971-75: 330545 : 307,350 : 1. 7:1 331 SBC with 461 double hump heads (bowl ported) and a Comp Cams 270 Magnum solid flat tappet cam for my first V8Z buildup. 277 new and used 1923 Ford Model T cars for sale at smartmotorguide. 5 on ex 110 race fuel. specific Compression Ratio you are looking for. 5-inch valves or they might have been made with 2. Best Answer: The "double hump" heads were used on 302 and 327 Chevrolet engines. Thus, "fuelie" heads were the hot ticket, especially for the non-ported guys. 03—Procedures 462 408. 6 seconds ago. 1969 Corvette Overview. 461, 461x, 462 and uhhh 962 or something. 02 intake valves and putting those on with a DZ aluminum intake and the Holley carb. 461 and 461X (double hump)-These were the original double-hump castings and feature 64cc combustion chambers and a 2. Antivirus Software/ The Best Antivirus Utilities for ; What s Best. 2) Price "Guesses" shall be stated in Dollars and tenths ! (Such as $444. 02 double hump cylinder heads. The casting number of these heads are 462, 291, 461, among others, all differing slightly from each other. 2 sbc intakes 35. I bought that 401 for $3000 a few years ago. ] Xtreme12x Dirt Forum Champ Total posts: 874. The stock 283 used a 58cc chamber. specific Compression Ratio you are looking for. on GM 700R4 automatic with overdrive 2400 rpm stall torque converter earend Dutchman 9-inch rear axle, polished uminum centersection Mark Williams polished aluminum third lember 4. 02 intake valves and putting those on with a DZ aluminum intake and the Holley carb. If my thinking is correct, 64cc heads being used on a 1970 engine it would of had accessory holes in the front of the heads. Right now we are limiting the listings to Chevy V-8 blocks, cranks and heads. These heads were used during the '60s and '70s on various performance engines. Includes a MSD Pro-Billet distributor for a complete installation. Selling out boys and girls! Everything Ham related must go. The success of these heads cause every Chevy cylinder head with the double hump casting identifier to be referred to as fuelie heads for an entire generation of hot rodders. This is a very nice example of a 1971 Chevrolet Vega that has been restored into a GT Baldwin Motion clone. 277 new and used 1923 Ford Model T cars for sale at smartmotorguide. 94" intake valves which I switched out for 2. I'd like to keep the block and maybe the quadrajet carb. Currently I can get a Vortec head to flow 250cfm on intake and 185cfm on exhaust fairly easily, far improvement from 12years ago. in the Florida Gym. It used the '202' 2. Based on the iconic “double-hump” or “camel-back” (fuelie) cylinder heads of the ‘60s and early ‘70s—including the famed 461 Fuelie heads—the DHC 175 castings are modern aluminum versions with straight spark-plug locations and improved 60cc combustion chambers. You got 350 Chevy 40 over flat tops 202 double hump heads with a cutt cam 450 450 and you keep bend ing vavles after about 5 mins of being started why please help? valve lash specs? how to. Find many great new & used options and get the best deals for 63 1963 Corvette 461x Cylinder Head Cleaned Magged Resurfaced D163 Screw in Stud at the best online prices at eBay!. Europe has achieved peaceful political union for the first. 039 minimum compresses thickness. It used the '202' 2. 94-inch intake valves and 1. engine 327ci bored. I started bow hunting last year (2011), after many years of referring to the sport as something that lazy and unethical hunters do. Thus, "fuelie" heads were the hot ticket, especially for the non-ported guys. trans t350 3/8 clay hyd. Along with a 1. 7L Vortec heads are in much greater supply, still available from GM and flow better than even the best double-hump heads. 5001 : 74 : 1971-73: 330862 : 400 : 1. 327 (HCH Code Engine: 1966 327 factory rated at 275 horsepower), 4 barrel carburetor, double hump heads, dual exhaust, automatic transmission, power brakes, power steering, 18"" and 20"" Vision Legend s. 1972 911 Automobile pdf manual download. straight plug. The -416's are more smog shaped likw W/P's Torquers whereas the -601's are double-quenched and shaped a whole lot like the old -461 double-hump fuelie heads! Both good heads, but I lean towards the -601's. Make the streets yours with the 350 w/ 461 “double hump” heads, stainless valves w/ roller rockers, and aftermarket streetable performance cam. 2 Household characteristics The 2012 SDF indicates that more than one third of the City’s population was concentrated in the metropolitan south east (see also Figure 3-1). The 461 casting head has a different looking combustion chamber than the other double hump heads. 50 (I/E) valves. The regular 461 casting was used between 1964-1966 and could be found on 327 engines. Casting number "462" fuelie heads. 02 angle plug heads. CDM AB 1045 Form Top 50 List CDM_Publish_OSHPD_2005_07_01 qry_Publish_CDM_Roseville 81002 or 81003 Emergency Room Visit, Level 2 (low to moderate severity). 6 seconds ago. remoイベント、よかったー。個人的にはブンガブンガレコードの話が予想外に(笑)おもしろくて、ここ数日は「チャン・ギハと顔たち」&「ブロッコリーお前もか」の音楽ばっかり聴いている。. parts-unlimited. Casting clocks. abundant here. Automobile Parts and Service Toggle navigation Community Chevy Automotive Sales Inc. The combustion chamber looks to be smaller. The 461 casting head has a different looking combustion chamber than the other double hump heads. i am picking up a complete set of 461 camel/double hump/fuelie heads (whatever you want to call them) from a friend for 75-100 bucks next week. I had screw in studs installed and went to 2. 550" lift even with portings. untill i can afford to get the AFR 195's that i want. 0 Comp With Floated Pins Dart Iron Eagles Head 230cc 2. factory horsepower 327 engines all used the double hump heads. 7L Vortec heads are in much greater supply, still available from GM and flow better than even the best double-hump heads. Locate 3927186 Heads on sale below with the biggest option of 3927186 Heads anywhere online. Those double-hump heads are still a favorite with nostalgic enthusiasts, even with the availability of today's better flowing aftermarket offerings. -has correct heads and exhaust manifolds. Compression Ratio, go to the Compression Ratio Calculator to figure it. Comes with a set of Dart adjustable push rod guide plates and a set of Accel platinum shorty header plugs. In 1961 these were first used with the 315 hp fuel-injection Vettes, hence they were called 'Fulie-Heads'. View and Download Porsche 1972 911 workshop manual online. 180 matrix-whether. Thinking of making a temporary replacement for a 1963 Chevy I own. The problem with adding bigger fuelie style cylinder heads like the 461 or 462 is that, while these heads increase airflow over a stock 283 head, this also increases the combustion chamber volume. com General Motors identifies its small-block Chevy cylinder heads with both casting numbers and casting marks. 7:1 331 SBC with 461 double hump heads (bowl ported) and a Comp Cams 270 Magnum solid flat tappet cam for my first V8Z buildup. The J is the exception due to being a smog head from 73-76. 5-inch valves or they might have been made with 2. With the bigger cam, I think I'll need to upgrade the springs, as the ones on there (Lunatis, close to the spring that Comp recommends for the smaller 268 and 270 cam) don't have the pressure at. Performance Performance Head Gaskets. I'm not flush with unlimited garage space. I want something that will give me a. 94" Intake and 1. The metropolitan south east is the least. No angle plug heads on GM cars. As the heads of the bolts are encapsulated in fibreglass in the bilges they are not easy to remove & check. Selling out boys and girls! Everything Ham related must go. Thanks in advance! TomK. I have a set of 461 (double hump) heads that are already rebuild and I plan on using them. Soapbox: Why Grand Theft Auto V Isn't For Me. Have a set of old (1963 so i was told) last 3 digits-461 (double hump or notch) fuelly heads. 31 rear gear in a '66 Chevelle and the results were surprising. 5 ratio roller rockers 461 double hump heads 1. In cases where you have a decent port job on a set of iron heads it is possible to bolt on a set of out-of-the box aluminum heads and lose power. Double-hump heads are a specific casting of cylinder heads for Chevrolet's Small-Block V8 engine. The "double hump" or "fuelie" heads have been around since the 1960's. Chevy put a cast identifier on the end of the headslike a "double hump", a triangle, a saw tooth shape, etc. The 461 casting head has a different looking combustion chamber than the other double hump heads. My heads are 461 double hump castings, with 2. These heads will also interchange with double hump heads with casting numbers 370, 461, 461X, 462, 291, 292, 186, 041, & 492. 31 rear gear in a '66 Chevelle and the results were surprising. Heads have been opened up in throat to improve performance, new valves, double valve springs, collets, retainers, 3/8 screw in rocker studs. Very useful! Author: John Toebes Profiler A realtime execution profiler for Manx 3. 02 INT valves and 1. one head was for the 300hp 327 motors in the impalas and corvettes the other was the 3782461 X head these were used on the corvettes only with the 340hp ,365hp with the fuel injection. ] [This message has been edited by ready2race23 (edited December 29, 2004). Block Chevy Sbc Hump Cylinder Heads 3782461 461 D-15-5 Impala 3890462 Double Hump. 60", %%% date = "05 October 2019", %%% time = "09:39:18 MDT. 60" valves, a 64CC combustion chamber, DO NOT have accessory holes, intake port volume of 161CC's, exhaust 62CC's. Handar Subhandi Bakhtiar, Andi Muhammad Sofyan, Muhadar, Slamet Sampurno Soewondo. Specs About This Beauty: Matching Numbers Correct DZ302 Engine 618 Block Casting V0311DZ 3927186 Double-Hump Heads 472 Intake Manifold 4053 Carburetor 1111480 Distributor 1100837 Alternator Correct 772 Engine Fan Correct Deep Groove Pulleys M22 Transmission- Not Original but a 1969 Transmission Marked P9C03C, 19K43262. untill i can afford to get the AFR 195's that i want. There are cast iron heads unfortunately college it was not in my college budget haha. Seo-Smo Brand Race Social Media Marketing : Social Media Branding and Marketing viral Marketing and Video Sharing Content Distribution by Using Blog, Social Network Website and Article Press Release Website Social Media Review and Research for new opportunity Social Media group Management and Micro blogging. 11:1 gear ratio. The 300, 350, 365 and 375 hp. Use double insulated power tools or ground-fault-circuit-interrupter (GFCI) outlets or GFCI extension cords to pre-vent electric shock. garage clean out time whats for sale here is a 1968 chevrolet 327 motor sorry dont know alot about it - i bought it from an estate sale in california it is a 1968 date coded 327 motor - it has double hump camel fuelie heads on it - its had some water in 3 cylinders - is going to needed to be bored - but should clean up to 30 over anyway - it has a holley alloy intake manifold - what you see is. New and Used Car and Truck Parts and Accessories On Sale Ii Impala 327 3782461 Double Hump Heads. 2) Price "Guesses" shall be stated in Dollars and tenths ! (Such as $444. Student Government Productions Chairman Chris Qualmann said Tuesday afternoon there were only 2,500 $9 general admission tickets left for the concert, scheduled for 7:30 p. This casting number cylinder head was equipped with 1. The cylinder heads used on many 327 motors were 461 castings (#3782461) with 1. They may be old but they are still one of the best cylinder heads out there. Comes with a set of Dart adjustable push rod guide plates and a set of Accel platinum shorty header plugs. 461 camel hump valve stem seals I have a set of 461 heads going on a dirt car and can’t seem to locate the stock style valve stem seals. Factory replacement heads: * World Product head #4360, 4361, RHS head #12400 Engine Quest CH-350-1 *Dart # 10024360 *OEM Factory heads ok; Minimum of 72cc combustion chamber Open Chamber Heads with a head gasket of. You have probably heard about this study in the past, either at this meeting or at others. Stock out-of-the-box Vortec heads have approx. com - Classifieds across Florida. 5" dual exhaust. 480 Lift Cam 1. But riding in Z's with 383s killed that for me. 500-inch valve lift. Only thing done to them was they were port matched to the intake gasket. 6-inch valves. was due to camshaft, compression and induction systems. 20 first gear) and a 3. Do "202" heads make more power? Yes and no. Available for a variety of applications (see chart). Chevrolet double hump, or camel hump, cylinder heads are named after the casting mark found on the front of each cylinder head. 50" valves that would work just about as well for street driving - although the newer Vortec types are better. i PREFACE These Standard Specifications for the Construction of Roads and Bridges on Federal Highway Projects are issued primarily for constructing roads andbridges. May use OEM factory Vortec heads casting #12558062 or #10239906. abundant here. No's 1-7 have nonhardened exhaust valve seats which must be replaced for use with unleaded fuel. Student Government Productions Chairman Chris Qualmann said Tuesday afternoon there were only 2,500 $9 general admission tickets left for the concert, scheduled for 7:30 p. 7:1 331 SBC with 461 double hump heads (bowl ported) and a Comp Cams 270 Magnum solid flat tappet cam for my first V8Z buildup. The most famous heads are the 461 and 462 heads that offer 160-cc intake ports, 64-cc chambers, and 2. 60 64cc With. SBC Head Casting Numbers. "Double-bosse" têtes ont été trouvés sur la plupart de ses moteurs à haute performance dans les années 1960 et au début des a. Aftermarket Cylinder Heads - Why You Shouldn't Just Bolt Them On - Part 2 - TRRC / Vortecpro - Duration: 15:27. For sale at Gateway Classic Cars in our Dallas showroom is a 1923 Ford T-Bucket. The problem with adding bigger fuelie style cylinder heads like the 461 or 462 is that, while these heads increase airflow over a stock 283 head, this also increases the combustion chamber volume. Up for sale is a professionally rebuilt pair of perfect date matched #186 Small Block Chevy 2. The exhaust volume was increased nearly 40% (thermactor hump completely removed). Far less than aluminum heads and flow that rivals some off the shelf units. These heads are loaded with high end features like bronze valve guides, 5-angle valve job, Garage Sale - Pro-Comp Small Block Chevy Aluminum Heads, Complete, Straight Plug made by No Brand Assigned. However, he invested in upgrades that included a set of Manley 2. First of all, let me repeat the old saying "there's no replacement for displacement". Although the overall tone of the critics was marginally more positive by the end of the 1968 model year, GM recognized that there was still a way to go to fully win over the same people who were so quick to tear the Corvet. 3 right-facing stairs (bench on intake runner) Right-facing bench One triangle 2 triangles Saddle and vertical bar Double (Captains) bars 487 71-76 76cc, best large-chamber head; 1. Powering this bad to the bone T-Bucket is a 350 small block Chevy with 461 Double Hump heads featuring heavy duty valve springs, an Edelbrock camshaft with. The double hump / camel hump heads were factory installed on all High Performance Fuel Injected and carbureted Chevrolet vehicles including Corvette, Camaro RS SS & Z-28, Chevelle Malibu, Chevy II Nova, Bel Air,& Impala. 5 valves 11:1 compression Pink connecting rods Steel crankshaft 480 lift/ 280 duration camshaft Dana 60 rear end 3:73 gears Exceptionally Strong Motor/Powertrain Restoration for past 6 years. No's 1-7 have nonhardened exhaust valve seats which must be replaced for use with unleaded fuel. These heads were the best flowing factory heads GM had to offer at the time. 20 first gear) and a 3. I Have A 350 Bored 60 Over Speed-pro Pistons10. "202" refers to the intake valve diameter of 2. The 58cc heads are 305 heads with slightly different ports than the 350 Vortec heads and flow dramatically less, around that of a 461 "Double Hump" or "Camel Back" head. Automobile Parts and Service Toggle navigation Community Chevy Automotive Sales Inc. Stock out-of-the-box Vortec heads have approx. SBC Head Casting Numbers. Cast iron, 461 double hump, 2. It has been fortified and enhanced with top components that were all tested before installed. 300 lift and the final shot is as 0. %%% -*-BibTeX-*- %%% ===== %%% BibTeX-file{ %%% author = "Nelson H. Im thinking about getting this kit. SWS Detail: 2. He might of been a Hump pilot, part of the ATC - Air transport Command - ferrying goods over the Mountains. The heads I am using are 461 Casting Camel hump. Engine Block and Heads Casting Numbers Engine Block Casting Numbers. We offer a plethora of Used Small Block Chevy Heads for your vehicle needs. Double-hump heads are a specific casting of cylinder heads for Chevrolet's Small-Block V8 engine. The interior evidently has fresh paint as well along with new black cloth/finyl bench seat and plush carpeting. 500-inch valve lift. We carefully filtered the fluid from the converter, filled it. This car scream will roast the back tires from a stand still launch. Haven't decided on the back cargo area yet, as I'm thinking about getting away from carpet on the deck, tailgate and wheel humps and just paint it the jeep body color (brown). "202" refers to the intake valve diameter of 2. No double hump head. Circle Track Takes A Closer Look At Chevrolet's Famous 'Double Hump' Cylinder Heads. 5001 - 1971-76: 333881 : 350. Chevy Double Hump Heads Specs General Motors identifie ses petit bloc culasses Chevy avec les deux numéros de coulée et les marques de coulée. It could be a 302, 327, 350 block.