That downshift to first is going to be rough if you are going above about 5 MPH. I downshift from OD to Drive all of the time, and that hasn't hurt anything yet.
I also hold first a lot, in different driving scenarios to keep the transmission from shifting needlessly. For instance......Pulling out from a store and then having to stop at a sign before getting on the main road again. Also, sometimes from a light if I want to get a quicker start. AOD's shift into second very fast and at low speeds so sometimes it is good to hold it in first to get going faster.
I haven't tried the 1-2-1-2-D thing yet to get higher RPM out if it, and I doubt I well seeing as my car doesn't pull too hard above 5200 anyway.
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1991 GT, AOD, Moroso Cold Air, 3.73s,
Pulleys, H-pipe, MAC Pro-Dumps,
FMS c-springs, and KYBs, A/c delete,
190 LPH fuel pump, 3-row radiator,
Maximum Motorsports full length subframes
2002 Oldsmobile Bravada(wife's car)
2005 Ford Taurus SEL (company ride)
GOD BLESS OUR TROOPS !!!!
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