rlekun & GEO46, is the reason that you both (& maybe others) have deadheaded your return line sucesfully because of the fact that you have an aftermarket fuel pump & regulator that can constantly provide enough fule flow at the required PSI ? The stock fuel pump with no regulator had overflow capability at normal driving speeds & higher PSI than desireable therefor a return line. (?) The stock fuel pump could not provide the same overflow at higher motor speeds therefor the motor received enough fuel to run very well. (?)

Anyone, come on with your responses. This is all in a learning mode.

On my Spec-7 (stock carb)I have an aftermarket fuel pump & regulator so that I always have the correct controled fuel flow & PSI.(?) Under these conditions do I need the return line ? Without taking the rules into account. Who, me ???????

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Have Fun

David Dewhurst
CenDiv Milwaukee Region Spec-7 #14