Thread: mark IV 454 1983
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03-20-2008 07:59 AM #1
Well,
I went searching and found this on a Camaro site-
346236 1975-87 454 Open 113.0cc
2.06" Intake, 1.72" Exhaust
And, I found this on Roadsters.com:
346236 454 1975-1978 Open chamber ("peanut" ports)
Looks like they are not the best for performance-I'd see if I could find some 049's or 781's-






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