Recent content by youdlose

Thanks Eric! << Hats off to the quick email response system.... LOL He pulled 4 degrees of timing for me, and as of last Saturday we went from 13psi with knock - to 17psi with zero knock. Running 16deg in first and second and 14 in 3rd and 4th (We have the worst gas here). We have not found...

Im tuning an 87 GN with aftermarket turbo, strectch intercooler and 60lb deka inj. I have all the tune dialed in A/F wise to 11.2 - but even at 13 psi it has too much timing for our horrid gas. The owner doesnt have a scan tool, and I normally tune new stuff. Had a GN for 18 years and started...

Provided both tune options are optimized, you will only make more power with SD over the MAF if the MAF sensor is a restriction. That could easily be tested with 2 vacuum gauges on a dyno, or if your using blow through two boost gauges. But Id suggest getting one that is very accurate and...