Reference: How to identify your Pontiac Engine ... - Pontiac GTO …
2022年8月19日 · Use the part (engine block or cylinder head) date code to identify the model year. On engine blocks, this code is usually located on the top center of the block, near the distributor. On cylinder heads, it can be "inside" (under the rocker cover) or on the outside. The format of the code is one (1) alphabetic character followed by three (3 ...
1964 lemans/GTO clone 389 engine build questions
2024年8月22日 · 1964 lemans/GTO clone 389 engine build questions. OK, so I have a 64 lemans with a 65 389 block and 92 heads. The cam that came with it (new in box) is a. Comp Cams CL51-221-4 Xtreme Energy 212/218 Hydraulic Flat Cam. I am attaching a pistons.
'65 GTO 389 Timing Specs w/modified engine
2016年3月26日 · The mods are as follows: '65-389 bored 30 over = 395 cu in, Wolverine Blue Racer cam #WG 1169K for excellent mid-range power 2000-4600 rpm, '69 #48 heads, Edelbrock Performer intake with soon to be installed '68 428HO Q-Jet, GM HEI - vacuum advance distributor, Hooker Headers, and TH400 Tranny. Any advice on timing specs would be greatly ...
1965 GTO WT code 389 engine - Pontiac GTO Forum
2019年6月26日 · This engine is ideal for somebody restoring a ’65 GTO and wants a correct WT-code engine. This is not some 389 two-barrel engine out of a ’65 Catalina with an automatic transmission. I’ve seen bare WT blocks for sale at Franks’ Pontiac Parts for $1,500. These engines are getting hard to find and this one has never had the cylinders ...
389 vs 400 - Pontiac GTO Forum
2009年3月28日 · the 400 also had better heads, i.e. better valve angle, bigger ports, more flow, bigger valves, screw in studs, guide plates, better combustion chamber. 400 was 1967-up. 389 was 1959-66. if you want to keep the OEM look but upgrade, bore the 389 to 400 CID. have screwed in studs installed the heads.
Reading Date Code - Engine Id For '66 389 | Pontiac GTO Forum
2010年5月26日 · Reading Date Code - Engine Id For '66 389. Engine is now being worked & I've attached pictures of build codes found near distributor hole. This is an original 1966 389 4 barrel car. Please advise breaking down code and what information is represented and to be found here.
Clueless 66” 389 engine | Pontiac GTO Forum
2023年11月13日 · And the WS instead of WT stamping on the block. Desirable engine, and if the car is a tripower car, a value adder by a bunch. IF your Comp Cam is one of the XE cams, they are meant for low compression engines and develop too much cylinder pressure for a 389 with flat pistons and stock heads. You are better off with a stock-ish cam, like an 068 ...
389 engine - original timing curve | Pontiac GTO Forum
2012年10月22日 · 1963 389 engine. 4 barrel (AFB Carter) original 797 heads (62cc) 10.25 or 10.5:1 compression ratio. Shop manual says something about 330HP and 430ft.lbs torque, not bad for an engine of almost 50 years old. Engine is still fully original, but half a year ago I started to have issues with the stock point distributor.
389 or 400 - Pontiac GTO Forum
2015年3月23日 · A .060 over 389 IS a 400. Cranks interchange. Rods interchange. Butler Performance offers a variety of pistons using the 389/421 bore sizes in the more popular strokes. Reasonably priced, Ross, VERY good. Most "things" that can be done with 400 can be done with 389. The earlier blocks (pre-'64) are VERY strong.
Head swap on 1964 389 engine - Pontiac GTO Forum
2009年1月10日 · Head swap on 1964 389 engine. I was wondering if I need to use early style heads (61-64) on a 1964 389 that I'm building for a tempest. I would like to use maybe a 1968 #16 or maybe another 72 or lower CC D-port head. I want to use this short block because it is already rebuilt. Thanks for any information or engine building ideas.