- The Rarest Pontiac Engine Ever Produced | Pontiac GTO Forum
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 boasted impressive specs, producing 468 hp and bolstered Pontiac's racing reputation against rivals Ford and Dodge Despite some
- Reference: How to identify your Pontiac Engine. - 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!
- 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 only when you're completely satisfied
- TRI POWER - Pontiac GTO Forum
The DVD video by Pontiac Performance is quite good explaining this issue I use a tool from MAC TOOLS number "CA-80" to adjust my center carburetor I believe, after owning dozen of carburetor adjusting tools and using many like those shown above, this one works easier and faster
- 1968 Pontiac 400 N compression ratio 1975 6x-8 heads
Hello Team, I'm seeking the resulting compression ratio for my soon to be installed engine that is going in my 1969 Pontiac Firebird Base I have a 1968 Pontiac 400 N out of a GTO bored 60 over crank is 20 under pistons are Sealed Power Cast 411np Cam = Crane HIT-290-2-NC (28 49 88) Roller
- Pontiac 428 build | Pontiac GTO Forum
Pontiac 428 build Jump to Latest 35K views 844 replies 27 participants last post by Oliver1232 Nov 12, 2025 Oliver1232 Discussion starter
- Pontiac Solstice Forum
A forum community dedicated to Pontiac Solstice owners and enthusiasts Come join the discussion about performance, modifications, troubleshooting, maintenance, trade parts, and more!
- 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!
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