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Search took 0.00 seconds. Search: Posts Made By: pa140flyer
Forum: Pontiac - Street 08-26-2023, 01:44 PM
Replies: 23
Views: 1,937
Posted By pa140flyer
I do have a set of 1973 4X heads with pressed in...

I do have a set of 1973 4X heads with pressed in studs but I think they have the smaller valves but it would solve the dished piston requirements! This is all getting way more complicated than I had...
Forum: Pontiac - Street 08-26-2023, 10:03 AM
Replies: 23
Views: 1,937
Posted By pa140flyer
This is still an active build but it is moving...

This is still an active build but it is moving pretty slow. My machinist got back to me and said we would probably do a .030 bore. Now I have been researching the Ross custom forged pistons and was...
Forum: Pontiac - Street 07-11-2023, 10:25 PM
Replies: 23
Views: 1,937
Posted By pa140flyer
b-man what do you recommend for forged rods? The...

b-man what do you recommend for forged rods? The one reason I was after running 87-89 octane isn't because it is cheaper but because I plan on driving this car on long trips a lot and the way things...
Forum: Pontiac - Street 07-10-2023, 09:55 PM
Replies: 23
Views: 1,937
Posted By pa140flyer
1967 Pontiac 400 engine build

Building this for a 1967 GTO using a tremec 5 speed with .68 5th gear, 3.55 rear gears.
I want to keep the 670 heads and was planning on using ram air exhaust manifolds (if I can even get them!). I...
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