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My '90 GT is having this issue where it will crank all day but won't start. I recently replaced the distributor and coil with MSD distributor and coil. Shortly after I installed said MSD items my Moates Quarterhorse decided it only wanted to hold a tune for a few hours, so whenever I wanted to...

My turbo'd fox decided it wants to run super rich, I read the codes and its spitting out 41C and 91C. The fuel pressure regulator is also freshly replaced. I have datalogs of ACT, ECT, both HEGOs, spark timing, TP voltage, and MAF voltage if that helps, I can email them. Ideas on what it could be?

I have a Pro-M blow through MAF for my Mustang and its not reporting proper outputs, idle it reports .27-.29 as high as it reported when revved it barely reported higher than 1. Is this common for Pro-M MAF's? Has anyone else had this issue? Is there any way to combat this issue or do I just...

I know next to nothing about automotive wiring. So I could use a little help wiring up my AEM 30-4100 wideband. All the cables are properly ran and I have the ground to the sensor ran already. I need help knowing what wire to tap into or how to tap into one of the auxillarys in the fuse box that...

I have a 90 GT that I turbo'd as well as put #42 injectors with matching MAF and 255 LPH fuel pump. My question is how much fuel pressure do I need to be running with this setup? It currently runs between 41-44 psi on the rail, do I need to be running more than that? Would it make a big...

I'm looking into tuning solutions for my turbo'd '90 GT. I am curious if there is anyone using a quarterhorse and doing their tuning with TunerPro RT, or if it would be worth forking out the cash for Binary Editor. I'm leaning toward the quarterhorse because of its emulation capabilities, the...

I just barely put a turbo kit on my '90 GT and when I start the car it runs super rough (even in the 1k+ RPM), it won't idle and it won't go beyond 2K RPM. Ideas?