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454 Timing Marks

Comp cams: chevy 396-454 mark iv 8 cyl '65-'96, Big mutha' thumpr™, 295th7 street/strip, needs 9.5:1 compression, very rough idle part number: 11-602-4 quantity in cart: none learn more. Looking ignition timing specs 1990 chevy p30 454, Question - looking for ignition timing specs for 1990 chevy p30 454. - ql. find the answer to this and other rv questions on justanswer.. Standard deck 454 chevy 4 bolt main bare block gen , Standard deck b/b chevy 4 bolt main bare block with the late generation/ mark v 454” 1 piece rear main. i believe it will still run standard..

Last edited by z07; 06-26-2009 at 04:46 PM . Reason: Fixed.
512 x 300 · 56 kB · jpeg, Last edited by z07; 06-26-2009 at 04:46 PM . Reason: Fixed.

That is a huge difference and a bigger factor than the compression in
768 x 1024 · 465 kB · jpeg, That is a huge difference and a bigger factor than the compression in

454 ignition timing question - hot rod forum : hotrodders, Help engine builder phone 454 setup 10-12 deg initial timing advance, 35 deg total advance.. P30: 454 1988 rvtiming marksplug wires, Question - p30: 454 1988 rvtiming marksplug wiresdistributor - 7j. find answer chevy questions justanswer.. Timing advance, wot temp 454' - boat repair forum, Thanks guys, work tonight. correction, base timing set 10 degrees ( originally typed 8 math work)..

References:
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  • community.fmca.com

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