Transmissions and Drivetrain Need help with your trans? Problems with your axle?

350 L98 Computer

Old Aug 16, 2004 | 11:23 AM
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350 L98 Computer

I'm sure this has been answered before but I have not seen it. Do you have to change the computer from a 1991 auto 350 L98 when switching to a T56 Manual?

Last edited by STOLN; Aug 16, 2004 at 02:58 PM.
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Old Aug 16, 2004 | 11:31 AM
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From: Dallas, TX area
Car: 91 Formula WS6 (Black, T-Tops)
Engine: 383 MiniRam (529 HP, 519 TQ - DD2K)
Transmission: Built '97 T56, Pro 5.0, CF-DF
Axle/Gears: 4.11 posi Ford 9"
No, but you'll at least need to put in a maunal transmission memcal (or get the stuff and do your own prom) - plus you'll need to rewire the starter-neutral safety switch to your clutch pedal. You also won't have the "SHIFT" light normally on manual cars.
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Old Aug 16, 2004 | 02:51 PM
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so you mean you have to move the neutral safety wire from the auto to the clutch pedal, and do you mean that the current auto prom needs to be programmed for a manual?

Last edited by STOLN; Aug 16, 2004 at 02:54 PM.
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Old Aug 16, 2004 | 03:05 PM
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From: Dallas, TX area
Car: 91 Formula WS6 (Black, T-Tops)
Engine: 383 MiniRam (529 HP, 519 TQ - DD2K)
Transmission: Built '97 T56, Pro 5.0, CF-DF
Axle/Gears: 4.11 posi Ford 9"
Both --- the neutral wire has to be moved as well as starting with a manual prom (idle settings, timing, etc. are all different for a manual trans as opposed to an auto trans).
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