The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - Ring and pinion gear swap-Worth it?

Blazer1970 · 08-12-2008, 05:12 PM

If you are using a factory tach, it is most likely not correct. All of them that I have seen read at least several hundred RPM high.

08-12-2008, 05:12 PM	#4
Blazer1970 Registered User Join Date: Dec 1999 Location: Old Mission, MI, USA Posts: 2,507	Re: Ring and pinion gear swap-Worth it? If you are using a factory tach, it is most likely not correct. All of them that I have seen read at least several hundred RPM high. __________________ Tim