trouble shifting

[chevystang]

Driving normal my car doesnt shift out of 1st until around 2800 rpm, it sits there for a few seconds then shifts nice and firm. The only way that i can get into second quickly is by letting the gas go at around 2200 rpm and then it shifts firm. When i get on the car WOT, it hits rev limiter and will not shift till i let go. i had my computer sent to speartech and they had programed the computer for 3.73 gears and i told them i eas going to put a stall, well money got tight and was not able to put the mods. Can any one help me with this.:brick:

[tblu92]

If they tuned it for the 3.73's or for the stall and you did not install either of them-- or just one of them--then that's most likely your problem--Both those mods require special tuning for the trans to shift correctly

Shifting late and hitting the rev limiter is usually caused by an incorrect setting on the "VSS"( too high)
Firm shifting can be caused by deleting the TQ management which is usually done with a stall converter

[chevystang]

i talked to the guys from speartech and they told me that they would be able to put a stock file on the computer all i had to do is pay shipping. Going with that option for now and seeing what happens.