renthalatvr

I'm running a 1998 Pontiac trans am with a th400 with a tranny brake ... My question is after I do my burn out and stage I hit the button and let off the foot brake and the car will move forward and the stop I then can push on the gas ... Anyone hear or this ?

Old Geezer

iTrader: (3)

Try raising the idle a bit, B4 you engage the line loc..

renthalatvr

Ill try it today

ZHAWK154

iTrader: (1)

Once you push the Transbrake button the car should stay put. Then when you get on the 2-step it may rock a bit but it'll keEp same staging position.

renthalatvr

Mine don't ... After I push the button and let off the brake it wants to move/jump and then it stops

droksformula

iTrader: (18)

Try holding the button longer before you let off the brake tranny might not be at full line pressure yet.

renthalatvr

Ok I'll try thank u

renthalatvr

the higher rpms worked went up to 2000 rpms and didn't move

ssvert99

iTrader: (26)

TH400 brake typically is better off with a bit more RPM to get pump pressures and fluid flow to move. The 400 has to fill a large capacity piston servo to apply the band that locks the drum... somewhat different than other transmissions.

RENE'S RAGE

iTrader: (96)

Do you have a 2 step?
Or you just revving it up to 2 grand?
What size stall?

ragtopz28

iTrader: (57)

Mine used to do the same thing (Rossler 350)...try cycling button 2-3 time, then hold down all while 'standing' on the brake. Solved my rocking.

renthalatvr

rene's rage I have a 2 step .. with a 4000 stall ... ill be changing to a 4800 with different gears