64 GTO 421 engine - Pontiac GTO Forum
2014年3月24日 · When the auto place pulled a starter bendix for a 389 to compare, there was a big difference in size of two. The actual starter bendix went to a 421, which my brother purchased and went happily along his way. The auto guy did mention at that time that some 421 engines were quietly put into some GTO's of that year.
421 ci Engine in 64 GTO - Pontiac GTO Forum
2020年11月6日 · Obviously, not having the original engine in the car will detract from it's "resale" value; however, if you bought the car to use and enjoy, then it's value to you is how much you like it. Personally, I like the 421 Tri-power (376 hp) for sheer power. As to your second question, the factory 421 has more HP than the original 389. I hope this ...
The Rarest Pontiac Engine Ever Produced | Pontiac GTO Forum
2024年5月2日 · The Pontiac 421 V8 SD Was Built Specifically To Boss The Racetrack Close The rarest Pontiac engine that HotCars could find was the mighty Pontiac 421 Super Duty V8 featuring in the 1962 Pontiac Catalina. It was a display of Pontiac's dominance in the early '60s and could be purchased as a crate engine and used in racing.
Pontiac 421 Engine: Block Codes, Identification & Numbers
Glad to be of help. The casting numbers and engine ID is the true way to tell. Visually, if you have tri power set up, you have the 421 HO. Here are the engine codes for 1964. Engine Codes 1964. 326 250 HP 92x,96-0. 326 280 HP 94x,97-0. 389 230 HP 04L,05L,08R,09R. 389 235 HP 22B. 389 267 HP 11H,12H. 389 283 HP 10A. 389 303 HP 25K,26K,27P,28P ...
Tell me about a 1966 GTO with an original 421 - Pontiac GTO Forum
2020年5月19日 · (which may explain why they relented a litlle in 1967 due to competion with other car models, and shipped GTOs from the factory with a 400) Anyway, from what I have gathered, you walked into the Pontiac dealer, ordered your car with AC because an AC car has an oversized radiator, and at the same time ordered the 421 shortblock and paid the ...
Oil Capacity - Pontiac GTO Forum
2022年5月11日 · Another Pontiac pan/dipstick oddity in 1964 as noted by a PY member, "But in '64 everything got the same pan (4-qts) and upper tube. 389, 421, HO and GTO all got the same pan and upper tube but the 421, HO and GTO (were to get 5+1 of oil) got a different dipstick to measure the difference." In other words, the 4-qt pan was overfilled 1 qt and ...
64 GTO with 421 ci engine. - Pontiac GTO Forum
2020年10月24日 · I recently bought a 1964 GTO that has a 421 ci engine and tricarb setup. Does anyone know more about tHe 421 engine. I was wondering if it’s the same 421 super duty that Pontiac raced with in the early 60’s. It came from, I believe a Catalina. Any details about the 421 would be greatly appreciated. Thanks!
Reference: How to identify your Pontiac Engine.
2022年8月19日 · For example, the engine in my '69 carries a date code of K278. K=November, 27, 8 meaning 1968. This brings us to another fact you must consider when interpreting date codes. The Pontiac engine foundry would begin casting parts for the following model year at "about" mid-year.
Tell me about a 1966 GTO with an original 421 | Page 3 - Pontiac …
2020年3月18日 · Yes, Royal Pontiac, Nickey Chevrolet, Motion Performance, etc. were all dealers in the day that, for a hefty fee, would remove your original 389 or 400 and install a warmed over 421 or 428. It was never done at the factory. The first 'big journal' engine in a Pontiac GTO was 1970, for the 455.
Correct Oil Fill Quantity - Pontiac GTO Forum
2019年2月26日 · The 421 Super Duty used a 6 quart pan plus filter. I have seen this in the specs on the Plymouth Fury. Sometimes they will use the previous year specs on a current engine/car that is still in production. Even options are listed for …