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Ziptar · 04-14-2006, 02:09 PM

Thanks! just dropped him an email.

Found a great page at 73-87.com

looks like except for the tach it's a straight bolt in, and I can test the tach on my 85 with a 305.

I did some digging, looks like the pump I need is GM part Number 215-117. Found a picture on partsamerica.com. Looked up a pump for an 87 suburban with a 6.2L and Delco had w/ sensor and W/O Sensor Listed.

As far as I know the 6.2L Vacuum pumps work in the 5.7L.

04-14-2006, 02:09 PM	#3
Ziptar Diesel Addict Join Date: Aug 2005 Location: Beyond The Sun. Posts: 144	Re: Install a Factory Tach Cluster?? Thanks! just dropped him an email. Found a great page at 73-87.com looks like except for the tach it's a straight bolt in, and I can test the tach on my 85 with a 305. I did some digging, looks like the pump I need is GM part Number 215-117. Found a picture on partsamerica.com. Looked up a pump for an 87 suburban with a 6.2L and Delco had w/ sensor and W/O Sensor Listed. As far as I know the 6.2L Vacuum pumps work in the 5.7L. __________________ 1979 C-10 Silverado w/ Olds 5.7L Diesel Last edited by Ziptar; 04-15-2006 at 09:34 AM.