The Rarest Pontiac Engine Ever Produced | Pontiac GTO Forum
May 2, 2024 · Pontiac joined the American big block V8 rivalry with its rare 421 Super Duty engine, showcasing its dominance on the track in the early '60s. The high-revving 421 V8 …
What are 1971 96 heads worth - Pontiac GTO Forum
Jan 21, 2023 · I am going to be having access to some Pontiac parts and these heads are among them.
Pontiac Solstice Forum
Oct 13, 2025 · A forum community dedicated to Pontiac Solstice owners and enthusiasts. Come join the discussion about performance, modifications, troubleshooting, maintenance, trade …
Pontiac GTO Forum
A forum community dedicated to Pontiac GTO owners and enthusiasts. Come join the discussion about performance, modifications, troubleshooting, maintenance, history, and more!
Reference: Camshafts - GTO Factory Specs - Pontiac GTO Forum
Feb 14, 2016 · I put together the specs on the factory-installed GTO camshafts for the 389/400/455. They are often referenced by their last part number digits, ie "066," "067," "068," …
Stock & Super Stock Pics - Pontiac GTO Forum
Dec 27, 2021 · Obviously, not all my Pontiac Stock/SS pics are of GTO's. I assume it's OK to include other Pontiac A-bodies, like Lemans, T-37, Lemans Wagons, & '74 Venturas, along …
Engine Building: Valvetrain Tech - Basic How-To - Pontiac GTO …
Jan 15, 2023 · Additionally, Pontiac uses the oil shield to keep oil off the valve stem. The steel shield is used to prevent splash oil from accumulating and running down the valve stem. They …
Pontiac Problems? Ask Pontiac Repair & Troubleshooting Questions
The Pontiac mechanics on JustAnswer can diagnose problems for all Pontiac models, from the Pontiac Firebird to the Solstice. You can even ask follow-up questions, and approve payment …
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Pontiac cylinder heads #64 casting - Pontiac GTO Forum
Dec 2, 2015 · A forum community dedicated to Pontiac GTO owners and enthusiasts. Come join the discussion about performance, modifications, troubleshooting, maintenance, history, and …
#46 heads to #48 heads? - Pontiac GTO Forum
May 29, 2023 · The "46" heads were most likely installed to drop compression. Pontiac used the same flat top piston in all their engines and used the combustion chamber size to change …