Over 100psi at the rail
#21
9 Second Club/LS1TECH Sponsor
iTrader: (14)
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You can unscrew the gas cap, unhook the return line at the engine, and you should be able to easily blow thru it back into the tank.
If you can't easily blow thru it, it is probably a restricted vapor line (or a kinked/damaged return line).
If you can't easily blow thru it, it is probably a restricted vapor line (or a kinked/damaged return line).
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91 Z28 LS2 408CI, LS9 Supercharger, LPE GT7 cam, Yank3000, 3450 raceweight.
Latest numbers: 9.71 ET, 141.42 MPH, 1.40 60' , 610 RWHP Mustang Dyno
www.speartech.com
![](https://ls1tech.com/forums/signaturepics/sigpic1124_1.gif)
91 Z28 LS2 408CI, LS9 Supercharger, LPE GT7 cam, Yank3000, 3450 raceweight.
Latest numbers: 9.71 ET, 141.42 MPH, 1.40 60' , 610 RWHP Mustang Dyno
www.speartech.com