Having trouble with consistancy

[mannymen]

Quit (trying I meant) dialing so hard and freight training it. Just dump at the 1000 and 1254 marks and you'll be all set. Or dial softer and fender them or back into them.

[Dave Goob Cook]

When I had issues like that between the 60' and 330' timers, it was the torque converter I was using with my 3-speed.
Never had a swing like that though. Mine was more like .03-.05

What is your converter, gear, trans combination, and your launch/shift RPM's?

[ericsz]

Stick car or Automatic? I had issues just like that in my 3 speed but my problem was the darn electric shifter, the RPM switch was bad and one round to the next it would shift like 5-600 Rpm Different.

[greg fulk]

Put a trans temp guage on the car! running 25 mins after a time run I bet the trans was hotter then it had been all day...

[CrateCamaro]

Originally Posted by greg fulk

Put a trans temp guage on the car! running 25 mins after a time run I bet the trans was hotter then it had been all day...

I say 25 minutes...it was probably an hour for real. Whats a good temp to be at with a 350 turbo?

[CrateCamaro]

Originally Posted by Dave Goob Cook

When I had issues like that between the 60' and 330' timers, it was the torque converter I was using with my 3-speed.
Never had a swing like that though. Mine was more like .03-.05

What is your converter, gear, trans combination, and your launch/shift RPM's?

TCI group 2 superstock converter, 4.88's, 350 turbo. I leave at 3000 on the 2 step with no brake and shift at 7000 and go through the lights at 7000

[Dave Goob Cook]

According to the TCI information, you don't have enough gear, and are not spinning enough RPM's to use that Group 4 converter.

If you aren't running class heads up, and want bracket style consistency, an 8" Opel style converter would be the choice, I think.

4 Heavy Super Stock Cars, 8500 rpm, Low-Torque
Stall Veh. Weight Engine Cubes Gear
600-900 HP
5600-6100 3400-3700 SB 265-327 cid 5.38 to 6.50
Tire size Intake CFM RPM range
28" to 32" 750 to 1050 6500-8500

Jeesh, that didn't work very well......

http://www.tciauto.com/Products/Comp...p_conv_7in.asp

[George Mirza]

Sound like the trans is going away. Check the fluid and filter, you may not be able to hear or feel it, but it may be slipping. Usually they will get slower not faster, but you never know. With some heat in it, it may expand everything a little and not slip as much. I chased a consistancy problem once and it turned out to be the tranny, didn't show any signs of trouble. Put the tried and true one back in and the car came right back to where it used to be. Then again it wasn't .2 it was .03-.05.

[Mike Pearson]

I had the same problen with my car. I found that the front tires were hitting the inner fenderwells. When the car would get the wheels up the car would come down hard and the front tires would rub the inner fenderwells thus acting like the brakes were being applied. when the car would spin the tires a little bit the front end would stay down. no tire rub and the car would pick up. I corrected the problem by installing a good set of double adjustable front shocks. I also put a set of new front wheels with more offset to the inside to help clear the wheel well. No more scrubbing and much more consistent. Check your front wheel wells to see if the paint is rubbed off. I have a 68 camaro.

[CrateCamaro]

Originally Posted by Dave Goob Cook

According to the TCI information, you don't have enough gear, and are not spinning enough RPM's to use that Group 4 converter.

If you aren't running class heads up, and want bracket style consistency, an 8" Opel style converter would be the choice, I think.




Jeesh, that didn't work very well......

http://www.tciauto.com/Products/Comp...p_conv_7in.asp

Group 2 not Group 4. 8in converter.