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Old 03-27-2011, 10:44 AM   #20 (permalink)
nemo
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Chief - '06 Pontiac Grand Prix
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Quote:
Originally Posted by ktaylor View Post
I'm pretty sure we have the same transmissions in our cars. One question, are you saying not to let it drop into third when the TCC locks-up, but keep it around 2000 rpm until it shifts to fourth? That kind of makes sense just to get it in there faster.
Went out this morning to get this fresh in my mind car is not a dd. I start out using the 2k about 40% load it shifts from 1st to 2nd. When it shift out of 2nd, at this point there is a larger rpm drop, I hold a constant pedal position. If I do it correctly I can reach 4th with it locked up at 38 to 40 mph (61 to 64 kph). After some checking my transmission has overdrive gear for 4th at .7 and a final drive ratio of 3.05.
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