TTI kit done, what to set 42#'s at?? - Ford Mustang Forums : Corral.net Mustang Forum
 
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post #1 of 5 Old 03-20-2003, 02:26 PM Thread Starter
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TTI kit done, what to set 42#'s at??

TTI kit is done! I'll try to get pics later. I'm running 42#'s injectors w/a matching Pro-M...what should I set the fp too? I have it currently at 35 but still smell quite a bit of gas...not sure if I can go lower w/out being a little on the lean side???


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post #2 of 5 Old 03-20-2003, 02:43 PM
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I set my 38's about 30 psi to get the car idleing and driving better. Now I had a fmu to get pressure back up to around 60 under full boost. Do you have a fmu? Or how are you tuning?


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post #3 of 5 Old 03-20-2003, 02:45 PM
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I'd try 30psi as well, you may or may not need a FMU though, just depends on your combo of course. I am pretty sure the guy I sold my 50s to, runs them at like 20psi with no FMU present and he is making over 600 fwhp in that setup. Keep in mind most fuel pressure regulators are going to be 1:1 anyway.

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post #4 of 5 Old 03-20-2003, 09:15 PM Thread Starter
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No fmu, no tuning yet, dyno tune coming next week hopefully...combo is below....so do you think 35 is a bit high? I'm about to take the car home and it's a 4 hr. drive, I don't want the plugs fouling out on me on the hwy half way down.

94 GT
Pro-M 80 for 42's and turbo app.
65 mm tbody
Saleen upper/lower
GT40P heads
1.6's
F cam
pulleys
Taylor 9mm wires
MSD coil
Dont remember the part # on the Motorcraft plugs, I'm runnning 1 range colder than stock though, gapped at .035.
2 1/2 in O/R exhaust w/flows (I know, I'm planning on some borla's pretty soon)
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post #5 of 5 Old 03-20-2003, 09:34 PM
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I'd set it for 30 and just refrain from getting into it. That way if you do need a FMU to enrich it more when at that setting, you will not hurt anything since never getting into it. OR you could just go for 32-33 that way it is a happy middle ground between what you have set at now and what Bobo and I mentioned should work.

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