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Reply to "Phenolic carb spacers"

A spacer between carb & manifold to insulate the carb from heat is always a good idea & essential if the intake manifold is heated by exhaust gas.

I've seen 4 hole spacers solve a few problems on both divided plenum & open plenum intakes (erratic idle, fuel distribution). Open spacers are a tuning device for open plenum intakes.

Can't comment beyond that.

thanks for the congrats.

your friend on the DTBB
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