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supercharger problem no boost - pls HELP

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Old 07-28-2013, 12:10 PM   #1
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plo_luv's Avatar
Join Date: May 2008
Posts: 69
Default supercharger problem no boost - pls HELP

i'm having a problem. at idle the gauge is showing vac, and when i drive it or rev it up the gauge will only go to 0, no boost. nothing is wrong with the gauge so i'm having a vaccum problem?? anyone had any problems like this??
pleaase help.
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98COBRA procharged 8psi, 3.73 gears, and some bolt on.. SSsssss
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Old 08-09-2013, 07:18 PM   #2
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Vehicle: 88 Ford Mustang GT
Location: SW Missouri
Posts: 886

Bypass valve stuck open maybe??
88 GT hatch, 306, Notched TRWs, subframes
x303, 1.6 RRs, 3.73s, T-5, AFR 185's,
190lph pump, adj fpr, alu drivsft,
performer rpm, 24# injtrs, 4core rad,
70mm t/b, 73mm maf, c/a/i, pulleys
o/r h pipe, 1 3/4 longtubes, flowmasters, ele fan
UPR u/l control arms, torque box plates
12.6s @112mph 2.0 60ft on street tires
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Old 10-07-2013, 08:15 AM   #3
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Vehicle: 1993 ford mustang lx
Location: idaho
Posts: 7

mine was doing pretty much the same thing... i put a new belt on, mine was slipping..not sure how old yours is, but mite be worth checking
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Old 10-20-2013, 04:55 PM   #4
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Vehicle: 1997 Mustang GT, 2002 F150 XLT 4x4 Triton
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Belt slip, bypass valve, ignition issue, could be a ton of things, is it breaking up?
Street Car, 4v D1sc, 20psi,viper spec t56, Team Z/ UPR suspension.
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Old 10-20-2013, 04:55 PM
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