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Tech Talk Technical Discussion About The Nissan 240SX and Nissan Z Cars


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Old 03-31-2004, 07:33 PM   #1
four
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okay, so should i make my restrictors biggeR.?
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Old 04-01-2004, 09:24 PM   #2
TurboB15sentra
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Quote:
Originally Posted by four
okay, so should i make my restrictors biggeR.?
Sounds like he means that the restrictor didn't have a small enough hole in it. This is usually the problem.. Some turbo's are most sensative than others to this problem.. But you only need like 3-5psi of oil pressure in the turbo for it to function properly. At WOT and cold start's, the oil pressure is sometimes 80-100psi! If you can go to Autozone, and pick up a cheapy oil pressure guage.. and T it in.. I'll bet you that you will see probably 40-50psi going into the turbo even after the restrictor.
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