GM TPI auto trans -> manual?

[Bruce Bowling]

> 
> When transplanting a stock '88 GM TPI 5.0L originally equipped with an
> automatic transmission into a vehicle with a standard transmission,
> will I need to change the cal-pak? (Was there a manual transmission
> option for that engine and if so how do the engines differ)
> 
>                                        John S Gwynne
>                                           Gwynne.1 at osu.edu
> 

My gut feeling is no. I assume that the old automatic was a 700-R4
with lockup converter. The only info the ECU gets is a switch located
in the tranny (hydralic pressure switch). This switch is nomally closed,
but opens up when the transmission is in 4th gear - this triggers the
converter lockup.

If it were me, I would try it out and see. Make sure there is a VSS
sensor hooked up.

- Bruce


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                 Bruce A. Bowling
                 Staff Scientist
   Thomas Jefferson National Accelerator Facility
    12000 Jefferson Ave - Newport News, VA 23602
                 (804) 249-7240
bowling at cebaf.gov  http://devserve.cebaf.gov/~bowling
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