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what vac should a motor read

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Old May 4, 2003 | 11:34 AM
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91Z28's Avatar
91Z28
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Joined: Dec 1999
Posts: 656
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From: Northglenn, CO, USA
Car: 91' Z28
Engine: 355-Supercharged
Transmission: 700R4
what vac should a motor read
I may have a vacume leak but i couldnt seem to find the specs, what should a typical motor read for vacume, of course im slightly modded (see below) im only getting about 15 on my guage
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Old May 4, 2003 | 11:47 AM
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ME Leigh's Avatar
ME Leigh
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Joined: Jan 2002
Posts: 3,852
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From: Valley of the Sun
Car: 82 Z28
Engine: Al LT1 headed LG4 305
Transmission: TH350
Axle/Gears: 3.73 posi with spacer
15 thats pretty good for your combo, my 82 LU5 stock short block motor pulls 21, though.
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