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Forum: Pontiac - Street 11-15-2019, 01:21 AM
Replies: 62
Views: 5,513
Posted By Ponchy
AMC did have a 390. Could be an older six...

AMC did have a 390. Could be an older six cylinder engines, too.
Some of those old hulks got pretty big.
GMC had an inline 6 that displaced 503 cu.in., so if he's looking at the brown Motor's...
Forum: Pontiac - Street 11-14-2019, 06:27 PM
Replies: 62
Views: 5,513
Posted By Ponchy
Tomaso, Listen to b-man...

Tomaso,

Listen to b-man (https://forums.maxperformanceinc.com/forums/showpost.php?p=6081140&postcount=49).
He speaks the truth.
Headers are a money pit. New exhaust PIPES and muffler with the...
Forum: Pontiac - Street 11-13-2019, 04:28 PM
Replies: 62
Views: 5,513
Posted By Ponchy
No replacement for displacement....but I would go...

No replacement for displacement....but I would go with a newer big journal motor, rather than stroking out an older, smaller engine.
You not only benefit from having a lot of the work already done...
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