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Forum: Pontiac - Street 09-22-2021, 11:28 AM
Replies: 46
Views: 6,793
Posted By CGus
I would build the 428 for the added torque/hp but...

I would build the 428 for the added torque/hp but if you’ll use those 670 heads(Rated factory at 10.75 compression)they are no fun for todays pump gas. I would install custom dished pistons and aim...
Forum: 61-77 GTO, Tempest & LeMans Parts WANTED 02-21-2018, 12:18 PM
Replies: 3
Views: 425
Posted By CGus
Hello. Did you ever find these parts you are...

Hello. Did you ever find these parts you are looking for? I have a bunch of Nos Ram air iv parts I’d like to sell all.
Oil drippers
1.65 rockers , nuts and pushrods (gm wrappers)
Heavy duty...
Forum: 66-67 GTO Tempest & LeMans TECH 12-29-2017, 03:38 PM
Replies: 19
Views: 1,724
Posted By CGus
Hello John. Great discussion on Rally 2...

Hello John.
Great discussion on Rally 2 wheels.
Carl.
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