396 realistic HP, sizing fueling - Chevrolet Chevelle Forums

06-21-2018, 01:43 PM

carpoor

Senior Member

Join Date: Dec 2011

Location: Floriduh

Posts: 2,404

This is the one I bought for my folk's car...

https://www.summitracing.com/parts/sne-550-516

The engine is a .040" over ATK 454, .100" dome pistons, hyd roller, fully CNC'd AFR 265s.

The system I bought says good to 650 HP, will be more than adequate for their 454. I estimate their engine around 550-575 @ the flywheel.

__________________
1972 SS 454 Chevelle LS5/M21/12 bolt 3.73 posi
1969 Malibu COPO L72/M20/12 bolt 3.31 posi
1968 Malibu LQ9/4L80E/12 bolt 3.73 posi

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