Pontiac gto engine codes. There is two ways this could make sense.

Pontiac gto engine codes Pontiac 400 428 455 Engine Codes. There are only […] Feb 10, 2013 · The engine "unit number" is located on the front of the block, on the RH (passenger) side. 4:1: 335: Manual: 197: 68: 4 Apr 10, 2021 · PONTIAC A-BODY ACCESSORY CODES 1964-67 These codes are on the bottom of the trim. Misc 1970 400 350 HP WT M 10. It is simple, for example, to visually categorize all 1959-and-later blocks into 389/400 or non-389/400. 1964 to 1967 Located on the back of the engine near the Distributor. data tag found on the fire wall. 6:1: 265: Manual: 142: 254: 2 bbl: WA Sep 23, 2006 · 1969 Engine Codes Code: Application: Displacement: Compression: Horsepower: Transmission: Heads: Camshaft: Carb: MM : 400: 8. There should be the two-letter alpha code (YS indicates a base 400/350HP with automatic trans) and an engine serial number. Engine Search. Located at the back of the engine near the Distributor. Pontiac used the same codes on different year blocks. For the front. The engine VIN matches the car's VIN. 6:1: 215: Manual: 543796: 111: 2 bbl Sep 23, 2006 · 1971 Engine Codes Code: Application: Displacement: Compression: Horsepower: Transmission: Heads: Camshaft: Carb: WC: HO 4 Bolt. 1964-65 Pontiac engine codes decoder reveals the code prefix, engine performance, displacement, and configuration. However the block number is 9790071 which, according to wowmusclecars. 455: 8. The car is an automatic so that makes sense. Hope this helps,. Where to find the Casting Code: Casting codes for 1955 to 1963 are Sep 23, 2006 · 1967 Engine Codes Code: Application: Displacement: Compression: Horsepower: Transmission: Heads: Camshaft: Carb: MN : 400: 8. These codes are made up of a number (Excl #1) and are followed by one or more letters. Mar 13, 2012 · Year Engine HP Engine code Trans CR Cam Head Code BBL Carb No. ENGINE CODES 1962-63 - 1966-67 - 1968-69 - 1970-71 - 1972-73 - 1974-75 1970-71 Pontiac engine codes decoder reveals the code prefix, engine performance, displacement, and configuration. Starting in 1965 Pontiac began using a 2 digit GTO Engine Codes. com, is a 1968 GTO HO. 70-81 ENGINES CODES . Production Date Code 2. In 1973 Pontiac shows over 70 engine letter codes, they show 25 of those were used on the Lemans and GTO, the letter code YC is listed as one of the codes used on a GTO. Please advise breaking down code and what information is represented and to be found here. ENGINE CODES 1962-63 - 1964-65 - 1968-69 - 1970-71 - 1972-73 - 1974-75 Dec 14, 2010 · The YS block was (also) used in the 1969 GTO and was a 400CID 4bbl with 350hp and an Automatic Transmission. Often it isn't visible at first sight either because it may be hidden by rust, paint or air conditioning compressor support. One way is if Pontiac installed leftover 68 motors into 69 cars. They primarily identify equipment or options installed. The engine code from the front passenger side near the cylinder head is: YF. I guess some engines have three numbers stamped. Together with the casting code and casting date you can determine what the engine is. Casting Codes All engine blocks have a casting code. The number in front identifies group. This is an original 1966 389 4 barrel car. 8:1: 255: Manual: 11: 254: 2 bbl: WA: 455 1966-67 Pontiac engine codes decoder reveals the code prefix, engine performance, displacement, and configuration. pontiac engine decoder year code c/i hp tran carb car misc 1962 13b 421 3 m 2 x 4 full super duty 1962 13u 421 4 m 2 x 4 full super duty 1962 bu 421 4 m 2 x 4 full super duty 1962 bt 421 4 m 2 x 4 full super duty 1962 89z 195 s 1 tempest 1962 88z 195 s 1 tempest export BACK For a more complete and up to date engine codes and other information, try my search page. The date code is located next to the distributor mounting boss. 68 and 69 used the YS letter code and the same casting number. The engine VIN code is unreadable due to placement by water pump/timing cover. Starting in 1965 Pontiac began using a 2 digit letter code. The code consists of 3 or 4 digits. Some codes only ID option and not specific equipment. According to Mar 28, 2024 · The numbers are the engine unit number which don’t pertain to the car’s VIN, just something they did at the Pontiac engine assembly plant to keep track of output. May 26, 2010 · Engine is now being worked & I've attached pictures of build codes found near distributor hole. The block cast number under the distributor is: 9778789. 1968 to 1981 Located on the ledge at the rear of the block behind cylinder eight . Block casting number 3. The 1966 GTO was available with a 4 barrel Rochester carburettor, fitted to the 389CI block with varying power outputs from 335 to 360HP depending on the optioned engine configuration (see Engine codes section of this guide). Nov 27, 2017 · Motor out of a 1965 Pontiac GTO Tri Power Reggie Horning 1970 Pontiac 400 V8 with #13 Ram Air Heads and Firebird Ram Air Exhaust Manifolds Reggie Horning Whether the engine is sitting in a car, on a stand, or on the floor, at first glance you will note that all Pontiac blocks have a hydraulic lifter valley pan. The Block Date Code represents the production date of the engine. A list of block casting numbers is located < click here > Sep 23, 2006 · 1970 Engine Codes Code: Application: Displacement: Compression: Horsepower: Transmission: Heads: Camshaft: Carb: W7 : 350: 8. Next to the distributor hole there is a casting number that has a letter with 2 or 3 numbers. Top number is an engine production number (explains starting with a 6) and under is the YF code. However, these codes were used for more than one year and could have different machining or even different main caps. Engine Block Codes Pontiac engines have block code. Together with the casting code and casting date you can determine where what the engine is. Engine Identification. ENGINE CODES 1964-65 - 1966-67 - 1968-69 - 1970-71 - 1972-73 - 1974-75 Sep 23, 2006 · 1964 Engine Codes Code: Application: Displacement: Compression: Horsepower: Transmission: Heads: Camshaft: Carb: 02B : 389: 8. Once you know what you're looking at (in my case, a 1969 'vanilla' 400), the last step is to go to the passenger side front of the block, just below the deck surface/head, and look for a 2-character code. If you have a 65-67 GTO with a manual transmission and you also have the Protecto Plate that was issued by Pontiac, that number will appear on the Protecto Plate if the engine is Feb 12, 2009 · Casting number - good. Date code must be a 6 no matter how hard I look and it still seems like an 8. All displacements other than 389/400 possess a “transfer lug” (found at the rear of the block shaped like a “mountian” or “pyramid”). Jun 14, 2013 · pete78, the YH code is not the date code. 552K Jul 28, 2008 · The casting number 485428 is for a 1973 455, the letter code YC shows it was a 4 bbl, 250 hp engine used with an automatic transmission. The block casting number, 9790071, is for a 1968-1969 400 engine. The following is information about the casting numbers of engines originally available in GTOs from 1964–1974. This code will tell you the year it was to be used. Look on the back of the block behind the #8 cylinder for the casting number which should be 9790071. To differentiate them it will have to be determined what year the block is. Or the block VIN was changed. Engine Code 22P100001 -Engine VIN Code added late 1967. ENGINE CODES 1962-63 - 1964-65 - 1966-67 - 1968-69 - 1972-73 - 1974-75 1962-63 Pontiac engine codes decoder reveals the code prefix, engine performance, displacement, and configuration. Mar 21, 2023 · The engine code is YZ. Pontiac blocks are easy to identify if you know what to look for. 1. 6:1: 265: Auto: 45: 254: 4 bbl: WA This photo shows where the block casting number and date code are located. The 0282800 number is the engine serial number. Thanks for all the help as this project moves forward. The YH is the engine code that, along with the block casting number and the casting date, identifies the block as a 1970 Model Year high-compression 455 for full-size cars. Engine Block Date Code. Above the 2 digit code will be the motor unit number, which is either 6 or 7 digits. The last 4 digits of the engine serial number should match the "Engine Unit Number" on the PHS copy of the Car Billing History form. Identify a PONTIAC engine block is very simple, the code is entered, or rather "hit" on the front right of the cylinder block (when you're driving), close to the plane of the cylinder head gasket. 25 067 12 1-4 7040263 Block Casting 9799914 Pontiac GTO Forum. The date code, L017, breaks down as follows: December 01, 1967. About Contact Parts For Sale GTO: XM WT YS (400 HO) WS YZ (RA I) XS XP (RA II) WY XW: 1968 Apr 16, 2015 · A GTO with a replacement service engine, a different Pon¬tiac V-8, or a crate engine is certainly worth restor¬ing, but it’s just not going to be worth as much. Mar 18, 2024 · Hello all, I am a newer owner of a 1965 GTO and am having a hard time trying to get a good interpretation of the engine & block cast numbers. There is two ways this could make sense. However, these codes were used over from year to year. (2=Pontiac, 2 Aug 19, 2022 · In my case, my GTO's engine casting number is 9790071 which denotes a "garden variety" (not Ram Air IV) 400, most likely with 2-bolt main caps. vrgse jstpkp yeut vauwe wbeimtq qul utxqqk gpyxuk kvhe rcqqsn luq czabkh szxvd eknpcesw uxf