04-12-2006, 02:55 PM
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3" Exhaust
Join Date: Nov 2005
Location: Phoenix, AZ
Posts: 145
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More Boost Feels GOOD!
Last night I used the "spacers on the wastegate actuator bracket" trick that I learned here to jack up the boost on my 1988 Supra. Instead of washers I drilled out a couple of 1/4" thick nuts and slipped them over the 2 bolts.
What a difference! Looks like I'll have ~12 lb. boost at my 1,000' altitude. I've run it up to ~10-11 so far and there is a BIG difference over the 7 (measured) stock. Looks like my turbo is still in good shape. Next thing I'll do is take a big die grinder to the inside of the exhaust elbow and enlarge it a bit. Then I'll figure out what to do with the cats. Here's hoping my HG (replaced before, I think) stays good. The stock bolts are tight.
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"You see, wire telegraph is like a very long cat. You pull his tail in New York and his head is meowing in Los Angeles. Do you understand this? Radio operates the same way: You send signals here, they receive them there. The only difference is there is no cat." A. Einstein 1988 and 1990 Turbo Supras |
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