The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - 67-72 Electric speedo

MalibuSSwagon · 05-15-2013, 11:00 PM

Factory tach will work with an LS engine, you just have to re-program the PCM output to 6 or 8 cylinder pulse; depending on what your tach is calibrated for.

05-15-2013, 11:00 PM	#171
MalibuSSwagon Registered User Join Date: Sep 2009 Location: Weare,NH Posts: 1,589	Re: 67-72 Electric speedo Factory tach will work with an LS engine, you just have to re-program the PCM output to 6 or 8 cylinder pulse; depending on what your tach is calibrated for. __________________ Eric 1992 Oldsmobile Custom Cruiser 1986 Chevrolet C10\|5.3L\|TKO600\|Shortbed\|Custom Deluxe 1983 Malibu Wagon\|TPI 305\|T5 5 speed\|3.73 non-posi