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post #1 of 3 (permalink) Old 04-27-2013, 07:56 PM Thread Starter
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PCM questions educate me

So I've been kicking around the idea of a 5 speed swap but my question is this , since my car is a 96 NA 3.8 could I just repin a 96 3.8 mustang manual PCM or would I be better off having my PCM recalibrated. I don't mind the extra work and I would like to learn new things just looking for some input. I've never did any repinning but willing to learn and also where is a good site to get "educated" on PCM tuning and recalibration.

Jason H.
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post #2 of 3 (permalink) Old 04-28-2013, 12:01 AM
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I dont think there would be much re-pinning involved if you were going from a 96 Tbird to a 96 Mustang .. what I would do is get an EVTM for both vehicles and compare the PCM pinouts to determine which if any wires are different. The Tbird will of course have wiring to the transmission and the Mustang being a 5 speed would not have the electronic controls - just inputs from the speed sensor and likewise .. these parts would need to be re-pinned or spliced into the existing transmisison wiring harness, along with a couple other small things like the clutch pedal position switch so your car wont start without the clutch being engaged. Other than that, it should be pretty straight forward both cars being 3.8 V6 engines the calibration should be about the same. If youre going for a different year, there could be other issues to deal with.

Re-calibrating your PCM would cost a little more but you could get a better tune while youre at it. The parts that are going to end up costing the most is all of the stuff required for a 5 speed conversion.
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post #3 of 3 (permalink) Old 04-28-2013, 01:10 PM Thread Starter
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Thanks for your input very helpful. As far as the swap I've got that all figured that out.

Jason H.
Mods:
Exterior- Paint, grill, trim, SHO wheels
Power train- 4.6 cat back w/ muffler delete 2"I.D. tips , Taylor Pro Series plug wires, intake silencer delete

Photographs http://s1175.photobucket.com/user/jh...?sort=4&page=1
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