Quote:
Originally Posted by pdwestman
maverick9611,
I'll suggest to use a dial indicator to check the duration of the closing ramps of the intake cam lobes. Or simply install 2 sizes thinner (.004" thinner) valve shims into all 4 intake valve buckets.
Late closing of intakes will cause reversion. Reversion causes rich carburation.
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0.15 ∼ 0.24 mm (0.0059 ∼ 0.0094 in.)intake spec
so just go down .004? from what i currently have in there?