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1990 Eagle Talon TSi AWD
MODs are as follows:
SCM 61
3" Buschur Cold Air Intake
850cc Fuel injector clinic injectors
Walbro 255hp pump, re-wired
Areomotive AFPR
Eprom ECU from a 92 with DSM Chip, 5000 sutter box, 6000 no lift to shift, and some other things I can't remember
Taylor wires
BPR7ES plugs, gapped at .028
I have a low voltage problem, that I'm not even sure if it's a problem, or if all DSMs do this. The problem is when I start the car the voltage is 14.0-14.08, as I drive the car it drops. Depending on how far I drive it will drop any where from 13.5 to 13.0. Just on my way home from work, 15 miles, it went from 14.0 to 13.34. And it will drop under 12 if I really get on it. I put a different alternator in, one that I had that test good. I have checked all the grounds and they all look good, same with all the fuses. Anyone have any ideas on what it could be? Battery?
The other problem is a really bad misfire at anything over 13-14psi. I have tired two sets of wires, new plugs and a different coil pack. Any ideas on this? I'm going to do a boost leak check this weekend, but with the MAFT set up for blow through I didn't think it would cause this bad of a misfire. Could the low voltage problem be causing the misfire?
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