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cg285 · 11-19-2014, 02:54 PM

on another note: a clifford manifold, 390 holley and langdon split manifolds did nothing to increase the mileage on a 250 i have in a c10. there is a noticeable power difference but not much.

11-19-2014, 02:54 PM	#5
cg285 Registered User Join Date: Aug 2013 Location: sumterville, florida Posts: 914	Re: 292 4bbl Carb on another note: a clifford manifold, 390 holley and langdon split manifolds did nothing to increase the mileage on a 250 i have in a c10. there is a noticeable power difference but not much.