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#14
01-11-2018, 10:56 PM
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FWIW, GM has been using vacuum pumps on most of their diesels as well as some of the smaller displacement gas engines that needed extra vacuum for heater control diaphragms, and vacuum boosters. The 5.7 diesel that came out in 1978 had a vacuum pump in the distributor hole, other applications had belt driven pumps. GM W bodies (GP) had electric vacuum pumps for the brake boosters also. These pumps were made by Saginaw. If you don't want to use a ford part, plenty of GM cars came with vacuum pumps too.
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Brad Yost 1973 T/A (SOLD) 2005 GTO 1984 Grand Prix 100% Pontiacs in my driveway!!! What's in your driveway? If you don't take some of the RACETRACK home with you, Ya got cheated    
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