Quote:

The 625 version is enough carburetor for a mild 360 unless you plan on some major upgrades.
Keith



Normally I'd agree with the statement but I keep circling back to my Duster- Stock bore 5.9, Enginequest heads with 1.88 intakes, Edelbrock RPM intake and a Compcams roller and exhaust manifolds.

The engine is mild enough I have power brakes and a stock converter but would draw a vacuum at WOT after a second or two. Classic indicator of being under carb'd.

Replaced with a 750, problem gone. I say problem because it was popping the overdrive back on, I have a vacuum switch for OD override.

I guess the question would be the definition of mild build. If it is a stockish build then for sure lean towards the 625, anything more and I'd say the 750.



"I think its got a hemi"