Quote:
Originally Posted by tdangle
I am also having the same type of problem, GM crate performance 350, Holley Carb. All new. Engine runs fine as far as temp goes, but restarting after sitting for 15-30 minutes a terrible bog in acceleration. Tried a 1/2" phenolic spacer with a little improvement. Especially bad when it's 100+ and am running A/C. Thinking EFI may fix things
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Holley carbs need a heat plate instead.
Like this.
https://www.summitracing.com/parts/h...hoCwC4QAvD_BwE
I wonder if a lifter valley shield would help with keeping heat from off the intake underside.
Like this.
https://www.summitracing.com/parts/m...hoCoRoQAvD_BwE