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2G GSX SAFC II setting recommendations vs. my upgrades

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jnf63

15+ Year Contributor
162
4
Aug 27, 2004
Coeur d'Alene, Idaho
I have looked in the Forums and apologize if I missed this one. Would I be lucky enough to have someone provide their expertise concerning the adjustment settings for my SAFC II related to my present upgrades? Possibly, someone has a similar upgrade profile on their 2G GSX with an automatic transmission where the car's SAFC II is tuned properly/perfectly. I seem to have occasional "fuel cut" or some other related dilemma. In addition to the SAFC II, my automatic transmission '95 GSX has a complete air intake, a ported FP big28, a manual boost contoller with its gauge, a ported 2G exhaust manifold, a ported 2G O2 sensor housing, a turbo back 2 1/2" exhaust with high flow cat, a full intercooler piping with bov, and 550cc injectors. Everything is newly added due to my stock turbo being on it's last few miles, so I replaced it with these modifications prior to the turbo damaging the GSX. The SAFC II has been working, but occasionally when I let off the gas abrupty on the highway, or under WOT to pass on the highway, my GSX pauses breifly and clunks the drivetrain. I have yet to add a better fuel pump, could this be an issue? I have the boost at about 16-17psi, but the gauge may not be exact (it fluctuates +/- 1-2 psi. when I glance at it). I am contemplating purchasing FP's 17psi actuator for consistency. I do not race, but wanted to have better highway driving enjoyment. Thank you for anyone that may have specific recommendations concerning the SAFC II or other ideas to help me.
 
Every car is different. Even with identical set ups there will be differences. To get you "in the ball park;" try -5% Ne highs and lows, 20% for low thr., and 80% for high. It should help, and this is a rough guesstamite. Get a logger, if you don't have one already, and a 190 pump ASAP. If you do get a 255 pump, please get an AFPR. Why wouldn't your boost guage be accurate?
 
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