Torque multiplication happens inside the TC. It is only a small amount and is fleeting.
Generally it is 5% to perhaps as much as 10%, and only lasts long enough to get the car moving.
With a soft engine you might get 10 to 20ftlbs for something like 5 feet. Then dropping as speed increases. More input equals more multiplication .
Going from a teener type cam to a 268 without an accompanying stall increase or still with the same gears out back would certainly make the combo feel like crap.
Post #1 says it wouldn't shift
Post #4 says you manually shifted it with no different results.
Are you saying it wouldn't upshift out of first? This would normally point to a faulty governor circuit.And the combo pulled like crap in first gear?
With the engine tuned and 3.23s, and the above situation,namely crappy pull in first gear,there can only be one of four things wrong.
1) the TC is not working, or
2) the tranny is trying to get two gears at once, or
3) the brakes are tight, or
4) the engine is way down on torque.
Since you have already pulled the tranny down, we cannot prove a problem in the oil circuits,nor can we check the cylinder pressure. And so,we will have to adopt a wait and see approach. Unless you want to check the brakes, while you wait.
