Good links PTGT_Boy! Looking at this particular post by 3bar within the 41TE Transmission thread I still get the impression Stage 1 is safe for the auto box:
Quote:
quote:3BarBoost
357 Posts
Posted - 02/21/2004 : 10:57:54 PM
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I think we're saying different things here.
Peak torque is what pops trans. If you get to the level of making 340+ ft-lb at the crank (possible with stage 2 because of the 3 bar MAP and TIP), something is gonna go. I really doubt it'll be half-shafts that go first. If you are making less power than torque, and the torque stays under 280 ft-lb ish nothing in the trans is gonna get hurt.
Will your results on the dyno going to be similar to the offsets you saw with Stage 1? Probably. Will you make 300 bhp at the wheel without doing something to the trans? Maybe.
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Bold above was added by me and it is, I believe, the important point here. Stage 1 meets both of his criteria here - less power than torque and torque below 280. Stage 2, if we ever get it for the PT, may (and I stress MAY) be an issue.