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Re: Effect of intercooler pipe diameter on performance?
The rich condition isn't completely to blame. If you have to run AFs and timing like that, it sounds like you have hot IATs. What are the size and specs of that intercooler you have? I see what you're saying about why you have to run those AFs and timing, but that just means you have another problem. Pistons or not, 10:1AFs are not correct for a turbocharged engine. Thats more like a nitrous tune. And with that low of a comp., the timing shouldn't be that low either. Good luck.
Have you looked into Alcohol injection?
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-Cory
1992 Nissan 240sx KA24DE-Turbo: The Showcar
Stock internals. Daily driven.
12.6@122mph
496whp/436wtq at 25psi
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