Re: carburation system
The 305 heads are supposed to bump compression ( 1/2 c.r.)? If they are not the 1.94 or 1.85 intake heads or ported,then all is mute. A performer intake and that carb wil help MPG. If you want fuel mileage then start looking at fuel injection.
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It builds on my intelligence when I make a mistake, Boy am I building on it!
'67 C-10,'70 Nova SS
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