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jimijam00 · 08-10-2021, 02:57 PM

The BBC off the dealer lot needs the same idle and low speed cooling as the next, regardless of diff gear, so the change likely has nothing to do with more cfms at low speeds. Maybe it had something to do with to do with HP savings on those cars with 4:10s because they reved higher and quicker.

08-10-2021, 02:57 PM	#15
jimijam00 Registered User Join Date: Apr 2009 Location: PNW Posts: 553	Re: k10 big block cooling problems The BBC off the dealer lot needs the same idle and low speed cooling as the next, regardless of diff gear, so the change likely has nothing to do with more cfms at low speeds. Maybe it had something to do with to do with HP savings on those cars with 4:10s because they reved higher and quicker.