Boosting Stock Motor

For the RWD SR20DET cars! Sponsored by Wiring Specialties.
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scherger_16
Posts: 133
Joined: Mon Jul 07, 2008 9:10 pm
Car: 1990 240sx SR20DET, 1993 Nissan D21 pickup

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I just bought an sr20det black top s13 and swaped it into my 1990 240sx i want to know what i can turn my boost up to before installing my turbosmart boost tee

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vocationalzero
Posts: 870
Joined: Thu Jan 24, 2008 9:44 pm
Car: 92 Too For Dee
87 BMW 635 CSi
06 Dodge Dakota Night Runner Edition
06 Nissan Sentra S
Location: Pfllugerville, Tx

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I believe the stock turbo is good up to 12 psi before it starts to loose efficiency.
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Taylor008
Posts: 292
Joined: Thu Feb 14, 2008 10:05 pm
Car: 240sx Coupe

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13-15 psi, passed that is passed its efficiency range. I wouldn't recommend that without a tune, though.
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