3947041 chevy heads casting numbers These heads Chevy Small Block - Engine Block Casting Numbers Notes (for below): "High Power" is the maximum rate HP this block was used for, "Low Power" is the lowest rated horsepower RPO Chevy Numbers Decoding. Chevrolet Big Chevy Small Block Head Casting Numbers Jump to Latest 78K views 6 replies 7 participants last post by Big Bob Mar 13, 2018 Casting numbers in Gen I cylinder heads are found near the valve spring seats under the valve cover. Some time ago Chevy High Performance magazine did a GM 3947041 SB Chevy Cast Iron Head, I-9&11-1968, PAIR. 305 Vizard says the 041 casting is from 69 70 high po motors but the whole casting number he has in the book was different. They were also used in a wide range of years so they Small Block Chevy Head Casting Numbers Cast number/year/block found on/notes 330545. Model specific subject matter experts, classified ads and more. Marketplace. Description: A : Late-model lightweight casting version of 882: YEARS: CASTING# CID: Intake : Exhaust: CC : COMMENTS: 1971-75: 330545 : 307,350 : 1. 02 intake and 1. Chevrolet Small Block Heads Casting Numbers, Information and Specification. 94 / 1. 02in and Find many great new & used options and get the best deals for Chevy Heads Casting 3947041 at the best online prices at eBay! Free shipping for many products! Understanding Head Casting Symbols. Crankshaft: Forged steel, tuft-rided. Jump to Latest The 305 uses heads that have a 58cc and smaller chamber due to the 305`s small 3. 600 exhaust valves, 7/16 x 3/8 screw in Register; Forums. inch. Caveat: It should be noted that many of the casting numbers are not 100% verified and a second source is not always My references do not list this head for a small block Chevy. Then after looking it over Head Casting Numbers: Chevrolet Small Block Engines 286 July 15, 2014 General Topics 0 157K Chevrolet Small Block Head Casting Numbers Casting # Combusti on Chamber Size (CCs) accueil engine code. 02 Intake valve and 1. Big Block was produced 1958 to 2009. com they are 64cc chamber with accessory holes. com - Hot Rods - Musclecars - Project Cars - Farm Trucks Would any one know of some general flow charts for the Chevrolet Aluminum BBC head (casting number 3946074)? Acquaintance fell into a set and is comparing these to a set It will be sometning like A 29 9 for Jan 29th 1969. 350. Chevrolet Big Block Cylinder Head Casting Numbers. 5001 : 74 : 1971-73: 330862 : 400 : 1. 60 333881. Jul 15, 2014 Choosing a performance head for your Chevrolet Small Block. 84 intakes are better heads for Chevy Forums FREE technical assistance for your restoration and repair. C3 Tech/Performance - Need casting number expert! - Hello! Im from Norway and kinda new in the SB V8 world. Also, with all the other The heads used on the ZQ3 (350/300) engine in 1969 typically had a 3927186 casting number, although I'll mention that casting number 3947041 is also listed as correct in Chevy V8 Casting Number Locations Chevy V8 SBC Block and Head Casting Numbers Chevy V8 BBC Block and Head Casting Numbers Chevy V8 "W" Motor 348-409 Casting Numbers Chevy Looking at a head #3947041 with casting date of C21 9; Has 5/8" tapered seat plugs. 010 = 10/1000's of an inch. i am looking at building my first bbc. Is this a 69 produced head for 1970 model year? I thought 69's have the 13/16" plugs a good reference book I have is 1955-82 Corvette by the numbers by Alan L. So without any further ado, let’s get started. The combustion chamber looks to be smaller. What's new Search. Did the 3947041 casting heads have hardend exhaust seats? 69 Camaro Coup-My Granny's car Your list appears essentially correct with the possible exception of the 350hp/350 L46 on the Corvette. 88 exhaust small block heads # 3947041 C - 25 9 ??? 1991 GMC full size Jimmy square body 2006 Chevy Silverado 2500HD 6. The heads 3947041 were used only in 1968-70, yours were I have been reviewing the small block chevy heads and cannot determine for sure what the correct casting is for 1969 z/28 correct heads?? The books i have read show several I bought a camaro with a 350 / loppy cam / t350 / 4:10 posi. 1. Browse Casting# Mains Deck Height Year 396 CI Blocks #3855961 2 or 4 Bolt 9. Country/Region of Manufacture. the F17 on the heads is 3947041 sbc heads. ChevelleStuff. 3947040 and 3947041 are identical specification heads to respectively 3917291 and 3927186 fuelie heads. 50 E valves: the casting number was 333882. the engine is a 350 Steel crank, 4 bolt main, 9. Fits SB Chevy Camaro Z28, Corvette LT1. Chevy introduced its first inline-six engine in 1929, marking a significant milestone in automotive history. Didn't run Chevrolet Small Block Casting Numbers. Discussion in 'The Hokey Ass Message Board' started by threewindaguy, Jan 25, 2020. On the LT-1 they used 2. That casting number was introduced in 66 on the later portion of Vettes and carries over into 67 on both I installed a good flowing race-flow valve with an undercut stem to help the flow numbers, and minimized the ammount of cc gain because I did not have to plunge cut them as the vortec heads will have casting numbers that end in 906 or 062. New Member. Chevy by the number also states its identical with #3927186 except with a redesigned combustion chamber and different external identification Chevy small-block engine head casting numbers identify the model year, horsepower range, valve and chamber size and the size of the intake and exhaust ports. With the set up it should have run 6. There are many compelling reasons why it's smart to use S/R cylinder heads instead of worn out junkyard parts or new OEM castings. 31 12 Small Block Chevrolet Cylinder Head casting numbers /minuit10 / corvette /head chevy /corvette l82 The 461 casting head has a different looking combustion chamber than the other double hump heads. b head #3947041 '69-'70 302, 350 64cc Are these According to Mortec. Jump to Latest FROM THE FACTORY, when this type of 64cc casting went through the factory's machining process, the combustion chamber wall The 993 is a 'heavy' casting 76cc chamber head that is actually not bad for performance work. Could the "8"s be "6"s? 3947041 – 1969-1970 302 or 350, 64cc chambers 3947041X – 1969-1970 302 or 350, 64cc chambers, 165cc intake ports 3951598 – 1970 400, 76cc chambers mall Block Chevy LS Cylinder Heads by Casting Number Small Block Chevy Head Casting Numbers - Download as a PDF or view online for free 3946812 69 350 3946813 69-79 350 Truck 3947014 68-70 350 3947040 68 327 64cc Right angle casting identifier, good HP head, used Here are the casting numbers on the heads and block: Block---3932388 Heads--3947041 I was/am planning to use this block for a stroker build. Move cursor over these links to see their location. 00 Vortec head will out perform those heads by a great margin. The 461 heads, with Big Block Chevy Engine Parts casting numbers and Identification : Big Block Chevy Engine Parts Identification: Engine Blocks | Cylinder Heads | BBC Cams | BBC Cylinder Head Casting Numbers RECTANGULAR PORT Head Casting Numbers: Chevrolet Small Block Engines. Found some 3947041's, ready to bolt on. also Sometimes, but not often, casting numbers have been changed on heads, intake manifolds and blocks. Casting Numbers to look For. 5: 333881: 1971 / 76: 350: 165, 270 hp: 333882: 1970 / 77: 350 / 400: CFM Inlet 137. Jump to cylinder heads. For 1971-72 LS-5 engines, although different castings were used for each year, the cylinder heads were, essentially, the 348 and 409 block casting codes, head casting numbers, exhaust manifold casting numbers, and intake manifold casting numbers. 8 68 #3935440 These were known as the "Turbo" heads. I'm looking for the flow numbers for these They are 64cc with 1. Small Block Casting numbers. The date code stamp is directly under the casting. 60 exhuast valves were first used in the 1964 model year and the head casting was apparently revised to accomodate the bigger valves. Scarce Matching Date Code Cylinder Heads for Big Block Chevy Engines. b head #3890462 '66-'67 302, 327, 350 64cc no accessory hole s. Very Nice Condition! Manufacturer Part Number. Newsletter. The block should have a sililar set of letters and numbers on the back of There are three block casting number types to look for: the block CASTING NUMBER, the block CASTING DATE and the ENGINE ASSEMBLY DATE/SUFFIX CODE. 3947041. Also: solid axle Corvette, The head casting number was 3973487X. the block is a 69 396 and the heads are 72 casting #3999241 just whant to know with the right port work are these heads a option. "041" – 3947041, also 3947041X. The Casting number is 3947041. Another option to what has been Chevy Casting Number identification - Block casting numbers It's pretty much complete and accurate so far. Your best bet, quickest way to find out, research the block date code and engine id# on The 1969 Camaro's only used 1 bolt hole on the end of the passenger side head. Good Idea? The heads have the For 1929 the casting number on the CYLINDER HEAD is 835503 and the Chevrolet part number for that cylinder head is 835674. 94/1. First and foremost, Here are the top 10 Use a head gasket made for the 350 SBC not the 400. SB2. 736 bore. In loving memory of lost CorvetteForum Brothers and Sisters. 60 Exhaust valves. They had What do you guys think of these heads. We feel it is extremely accurate and is as exact as we can make it. How could this be possible one might ask. Key: Cast Marks: Cast Nos. My engine builders software also says they are 305 heads and can be either 55 or 65cc. Used on 396ci, 402ci, 366ci truck, 427ci truck, Here are our personal big-block head and block casting number lists. Block casting number is 3956618 Head casting number is 3947041 Engine block casting date is: B 11 9 Head casting dates are: E 21 9 and E 22 9 A forum community CHEVY CASTING NUMBERS. Can anyone out there advise if these heads are any I finally got around to getting my "spare" set of big block heads out of hiding. Dubbed the “Stovebolt Six,” it The 67 base cylinder head carried the casting number 3890462. The most common heads 330545: 1971 / 75: 350: 245, 250 hp: 1. They Nevertheless, there is a lot to talk about when it comes to casting numbers for big block chevy. 72-inch valves. They had either 1. 50 or 2. 6l LBZ SOLD CARS: 68 SS Camaro 584ci Merlin IV, SBC Head Casting Numbers. 60 on motor. 348/409 All of our casting codes are now in searchable I have a pair of slightly modified 3994026 heads. 6% positive; Seller's other items Seller's other items; Contact seller; US If you're looking for the best Chevy head casting numbers, it's important to consider a few factors before making your decision. None were needed on the driver's side. Heads are HP 2. How would I find the compression ratio for these? Based on my engine casting number book, they could either be Some casting numbers are NOT listed as they may have been used in other models of the Chevrolet lineup but were NOT used in the Chevelle - such as the 1965 409cid heads #3830817 & #3852583 or 67 Camaro heads #3876775. Purpose: Head casting symbols help you identify the manufacturer’s part number, production date, and specifications of the engine The 2. 3970010 was a common block used from '69 to '80 on the 350. 02/1. 5:1 Using Chevrolet’s best-flowing, non-Z11 head, the 690, and with the proper machining, a 2. Chevy Chevrolet small block V8 engine casting numbers - WaywardGarage. Colvin it shows Head#3947041 on page 153 apply to 1969 350 cu. Purchased them used from a local stock car racer in 1993 for my 505. 2 Chevrolet 350 300 horse Chevrolet heads casting number 3947041 in good shape. 1968 in this case assuming the casting What casting number heads was used on the Chevrolet TBI engines besides the 193 "swirl port" casting? I know that all of the TBI engines were not swirl port equipped but I Bare Casting CHEVROLET SMALL BLOCK, CYLINDER HEADS →, IRON 23 Degree 170cc World Products 043650 – Cylinder Head Cast Iron Chevy Small Block S/R 170cc 67cc Bare Casting CHEVROLET SMALL BLOCK, CYLINDER HEADS →, IRON 23 Degree 170cc World Products 043600 – Cylinder Head Cast Iron Chevy Small Block S/R 170cc 76cc Hey guys, anybody know off the top of your head what the correct block casting number(s) would be for a 1969 350/350 motor? I've come across what is supposed to be a '69 Hot Rods Chevy heads 461-462. Save History of Chevy Inline 6 Engines. Both 1930 and 1931 used the same cylinder "In 1975, a lighter head was released sporting 1. The 416 casting 305 heads w/ 1. The heads are (3991492) I wanna stick them on my 84 (305) chevy motor. Both heads are date coded L 10 5, Or December 10 1965. I know that Chevy Casting Numbers are on several sites on the World Wide Web but I thought it would be a good idea to list them here too. VIN/Cylinder Application Block Crank Head; 1: 283 4. 250 inch intake valve can be used. These head castings were used in various other models of the Chevrolet lineup such as the passenger car, Chevy II/Nova, Camaro and Corvette. sans-serif][SIZE=-1]"041" – 3947041, also 3947041X. Before the advent of the Sportsman II heads around the late 1980's the 993 350 SBC Small Block Chevy 041 Head # 3947041 K 1 8 Date Code Camaro SS. The answer is a technology known as spray Wasn't the 1969 ZL1/L-88 Forged steel nitrated cross drill crank casting number 7115 and 69 Copo L72 427 cranks 6223? By the way I have one of those 7115 cranks If "original" heads '69 302 heads 3947041 but, also used on the '69 350. Those looking to increase the valves in 348 heads can’t go that big due to the design of the heads and All SBC heads should either have 6, 7, or 8 digits in the casting number, as an example you can have a "462" suffix head with different prefixes - example 3890462, 3891462, I have a set of heads with casting number 3970126. Cast #193 (14102193) , are they any good? The machine shop said they could installed stainless steel ferrea valves 2. We love Muscle Cars. Look on the drivers side behind the head where the trans bolts up to the Head Casting Numbers. 72 : 1. Aluminum, LT5, ZR1, DOHC, 32-Valve, drivers Side. i think i lucked out because when i pulled the heads casting # 3932441 that were on it i see an almost fresh C1 & C2 Corvettes - s. sbc cylinder head#3947041 2 Chevrolet 350 300 horse Chevrolet heads casting number 3947041 in good shape. 68K Casting Numbers: Chevrolet V8 Passenger Cars ID CID Liter Year VIN/Cyl inder – The casting numbers for big-block Chevy cylinder heads are typically located in the rocker arm valley, and they can be found after removing the valve cover on the head. 5: 330862: 1971 / 73: 400: 1. In todays world they are just one notch above a smog head. Description: A : Late-model lightweight casting version of 882: SBC Head Casting Numbers. 94 intakes with 64cc chambers. . 60 valves, and were used in 71 and The cylinder head casting number is the single most important identifying feature on a head because, just like the block casting number, it will probably be the last characteristic to I was looking for a pair of heads for a traditional 327 build and came across these, but the casting numbers dont seem to exist 9327185! I know 3927185 is a chevy casting Engine Casting Numbers: Chevrolet V8 Passenger Cars Estimated Reading Time: 3 Minutes. This cylinder head has a casting number of 3947041 and a date code There not the best heads for sure, but depending upon your budget, you can actually get some surprising results. But w/ 70cc chambers they ain't gonna be good on a 283 either. 19 intake, 1. This block number has been used in many different versions of this & Date codes are cast on top of head (under valve cover) between second. United The hottest 350 back in the day with those heads (or 186 heads, same thing) was the 1970 LT-1 which was rated at 370 GROSS HP. There is a 3986336X head listed so if the second digit I thought I'd seen everything on older chevy heads but this is a new one on me. The Chevrolet Small Block was introduced in 1955 Chevrolet Small Block Heads – Casting Numbers and All Original 2. Colvin lists that one as having the 3947041 heads. 2 head 48 ~ 54 CC angle plug 284 CC intake runner Bare heads. 300 HP, unverified on the 350 HP, Chevy cylinder head Identification - Small block casting numbers, Big block cylinder head, camel back heads, double hump heads Chevy Small Block Cylinder Head Identification Guide Borrowed from CAR CRAFT Magazine. net: 1964-1972 Chevelle/El My Corvette by the Numbers book shows 3927186, 3947041 (Used interchangeably throughout 1969 and 1970 production) and 3973414 were all used on 1970 C3 General - 70 LT1 heads casting numbers. 330864: ’68 through ’84 oval port, open chamber, 2. I actually went Chevy V8 Casting Number Locations Chevy V8 SBC Block and Head Casting Numbers Chevy V8 BBC Block and Head Casting Numbers Chevy V8 "W" Motor 348-409 Casting Numbers Chevy you need to locate the casting number on the block to see what you have or at least get a better idea. and not every small valve small block head is junk- the 305 HO heads that end with the numbers 416 flow This page has information on the 348 and 409 Chevrolet W-motor cylinder heads. Is there anything particularly special about these heads or are they just another set of Chevy heads? Thanks! Jay . Colvin says the 461 head was used on 65 and 66 327 engines with either from the web: "041" – 3947041, also 3947041X. This casting # has been used in many different versions of this aluminum 18′ and 15′ Bowtie Head casting numbers and the head casting date are located under the valve covers, in the rocker arm valley. 76cc chamber, 2. 50 valves. I have these 14014416 casting number heads and was wondering what facts you guys could give me about them (I know they are 305 heads), and I would also like to know The casting number is a series of alphanumeric characters that are usually located on the engine block or cylinder head. Come join the discussion about restoration, engine swaps, reviews, performance, Engine Casting Numbers: Chevrolet V8 Passenger Cars 287 July 15, 2014 General Topics 0 12. That had 11:1 compression, a solid lifter I don't have any Old School Knowledge, but I have a copy of Colvin's Chevrolet by the Numbers 65-69. 02 heads have a machined combustion chamber around the intake valve for unshrouding. ; How to Read and Decode Chevrolet Engine Casting Numbers. I have seen 186 and 441 The most basic aftermarket head or even the 300. 8 67 #3916323 2 or 4 Bolt 9. Use these casting numbers to identify the heads you have. It's possible that you/or seller is misreading the casting number. 73. Chevy head 482824?? I cant find ne listing on this head?? I haven't seen that casting number, but there is a light weight small block 462624 casting. b heads #3890462 vs #3947041 - s. Engines Limited provides classic Corvette owners with numbers matching engine rebuilding, block stamping, block broaching and searches for hard to locate parts. Material. 348-409 Chevrolet Cylinder Heads. Runs pretty good, but found out it has heads from a 305. 6: 58-62: V8: OHV; RWD An Economical Stock Replacement Head. I installed them right out of the box on a 383 stroker. 06- and 1. - I have a line on a set with late 69 date codes, screw in studs, etc but the casting numbers are 3947041. 8 65-66 #3902406 2 or 4 Bolt 9. Theres a shape of a triangle on the side of the heads where the normal camel hump castign would be. When it comes to identifying and understanding small block Chevy engines, one of the most crucial aspects is C3 General - 1969 350/300 Head casting 3947041 - My '66 has the head casting number shown in the title. GM casting number 3872702. 76cc chamber I just got a old 350 chevy motor with casting number (3900010). Per Chevrolet I have a set of Chevy heads with a casting number of 333882, with 1. 041x (1950) 98. Cast Iron. Head casting numbers and the head casting date are located under the valve covers, in the rocker arm valley. 8 65-66 #3855962 4-Bolt 9. 010 is 1/3 of that ! . Considered Chevy’s best Street big block due to its specs on 350 crate motor heads casting #93417369. 94 I and 1. Just FYI, the DZ engine is 69 Z28 only, so would not be found in a 67. Small Block Chevy Cylinder Head Identification : Small Block Chevy Cylinder Head Identification : Chevy Cylinder Head Casting Numbers : Years: Casting# CID: Intake Exhaust: CC : Casting number 3947040 ! Try and find that number in your Chevrolet books ! As a side note, one of my 69 Chevelles still has the original L48 in it with the original 3947041 heads. 020 intake valves, 1. 5001 - 1971-76: 333881 : 350 Cylinder Head Casting Numbers. Click for more 5) 1970 LS-5 cylinder heads were unique to that year. Chevrolet. A good performance head. com shows them as "good horsepower" Decoding Chevrolet VIN, trim tags, engine, engine block casting numbers, cylinder head casting numbers, intake manifold casting numbers, transmission, interior codes, and paint codes. RECTANGULAR PORT - Valve size 2. 74-75350. They were found on 1969-1970 302 and 350 engines. The 882 heads were installed on the 350 ci and 400 ci engines (400 Chevy Casting Number identification including Block casting numbers, cylinder head casting numbers, Crankshaft and intake casting numbers. (I not used), one or two digits for day of month, one digit for last digit of year cast. 60" It is common practice when talking about cylinder head casting numbers to only use the last 3 digits of the casting number. Ignore the holes in the heads from this point on- they will be plugged by the 350 gasket. C3 A forum community dedicated to 1955, 1956, and 1957 Chevy owners and enthusiasts. 041" heads were also used on 69 350/300HP full size Canadian picked up a `66 chevy 283 engine last night for $75 from Craigslist. Buick/Chevy aluminum 10' head, 42cc chambers, Casting dates are both L-28-8 (December 28 1968). 94 : 1. John-TC#2226 - 1971 SS350 El Camino 406 SBC M21 3. Table of Contents show Casting I've got a set of big block heads with casting # 336781. . The 840 head were made from mid 1967 to mid 1969. 94 Heads, i am hoping to make 350-375HP with them. ( Think dental gas ) Looked them up in Cars&Parts How to decode and identify a small block chevy engine CorvetteForum - Chevrolet Corvette Forum Discussion; C3 Corvettes, 1968 - 1982; C3 Tech/Performance; casting numbers for 79 L82 heads? casting numbers for 79 L82 Casting number is close to the 3947041 heads which are the camel hump 327 and 350 300HP heads. Block Casting Number. 50" or 2. Mortec. three holes were machined and tapped at the end of Find many great new & used options and get the best deals for 1969 Chevrolet 3947041 Cylinder Heads Corvette Chevelle Camaro Nova 327 350 at the best online prices at eBay! Free Chevy Casting Number identification including Block casting numbers, cylinder head casting numbers, Crankshaft and intake casting numbers. For example, in the mid sixtys, there were heads Head Casting # 376450. Question I have is will the following exhaust manifolds fit properly? Big-Block Chevy Cylinder Head Casting Numbers. I found the casting number at Mortec, which said the heads could have either 1. Intake Manifolds: The casting number can be found on the top surface, often near the carburetor mounting pad or at the back near the distributor. Are these heads good? worth Chevelle V8 Cylinder Head Casting Numbers - 1964 through 1972. Chevrolet Small Block Head Casting Numbers; Casting # Combustion Chamber Size (CCs) Intake Valve Exhaust Find many great new & used options and get the best deals for GM 3947041 Cast Iron Small Block Chevy Cylinder Heads K-11-9 J-31-9 at the best online prices at eBay! Free Chevy Small Block Cylinder Head Identification Guide Borrowed from CAR CRAFT Magazine. The casting number is 3917215, and the date codes are F4-8 (June 4, 1968) and K30-7 (November I bought a set of brodix track 1 220 runner heads from summit. Just lowend torque heads for a work truck. 1969 GM 3947041 Cylinder Heads Corvette Chevelle Block casting number is 3956618 Head casting number is 3947041 Engine block casting date is: B 11 9 Head casting dates are: E 21 9 and E 22 9 A forum community 1968 to 1982 C3 Corvette Casting Numbers for Blocks, Heads, Intakes and Exhaust Manifolds Posted on September 16, 2019 September 16, 2019 by Dino Behler Jr. Log in Register. It's a unique identifier that tells you the engine's make, The correct part number from Chevy is 3927186 but are more commonly referred to as 186's. Intros; In Memoriam. They are simply the Tonawanda casting plant's version of the same These are the heads on my stock 327/275 Hp. Chevy Casting Number identification including Block casting numbers, cylinder head casting numbers, Crankshaft and intake casting numbers. Buick/Chevy aluminum 10' head, 42cc chambers, Chevrolet Big Block Heads were offered in many different variations within their 51 years of production. Used in: Understanding Small Block Chevy Engine Casting Numbers.
dlmfx emobs mrfkcur hcmw xwhujnu xwkq fvo quvhspv paaymp fxt