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Old 10-13-2011, 05:47 PM   #11
88turboii
destroy, rebuild, repeat
 
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Join Date: Feb 2008
Location: Charleston, SC
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that does not sound like a stock turbo.. when i had my s5 turbo maxed out, it made 250whp, boost dropped from 9psi to 6psi by redline, running off stock wastegate spring. If turned up the boost, the torque curve would just get better.. peak power wouldnt budge at 250whp.

the fact you gained 10 hp by upping the boost to 10psi shows me your turbo is modified.. maybe something similar to a BNR stage 1, where it looks stock because the compressor housing is milled out for bigger wheel. or maybe your hot side wheel is melted or chipped, creating the affect of a clipped wheel. who knows

I like the simplicity of your mods. people think im crazy when i just tell them just to throw some bigger secondaries in, retard the CAS by 5 deg and have at it on the stock ecu. my brother's high-comp n/a is turbo'd using 720cc sec's, TII maf, and retarded CAS and its been running 6 psi for about a year now with no problems. this results in AFRs in the 11's in boost. it leans out up top, but its because he is still running stock fuel pump.

dont believe all the advice you see on the forums, most of the time its people just regurgitating what they have read and never tried themselves
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1993 RX-7 Touring MB, stockport 13B-REW, 9.4CR rotors, T04S 60-1/p-trim single turbo
1986 RX-7 Base project track beast
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