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when in first gear the trans seams to be slipping when he floors
it

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When its acting like it slipping when he floors it is this from a dead stop, and just mashing the go pedal? Or is he torquing it up and then launching?

I wonder if it may be the converter flashing to its max stall if its just a full floor from a stop?

In my car if i didn't torque up against the converter before nailing it it would flash stall, and sort of seem like it was slipping. Not sure if his is the same problem.

So heres another

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well i dont think its the flash stall he is foot stalling it

up to about 2000rpm at the line its a little looser then a stock verter but it just isn't acting rite.

just thought its weird that it slipping in first as soon as he shifts to 2nd it will light the tires right up like he was neutral dropping haha.

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He needs to be careful , if the valvebody doesn't have low band apply and it feels like it's slipping in first but is fine in other gears that sounds like the sprag is on it's way out to me ...

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Some cheetah valve bodies didn't have low band apply, most of the older ones didn't. As John said, beware the exploding drum.

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Very sound advice, also why you never start a burnout in 1st gear, always start in 2nd for the burnout, or ever get on the throttle-let off- and back on while in first gear with the non-band apply VB.

Also a good idea to either get the carbon fiber trans shield, or add 1/4" steel plate to the inside of the trans hump under the carpet. And upgrade to the billet steel drum.

This is what happens when the sprag goes away. The transmission spins at something like 10X its normal RPM's and things come apart, and get thrown, Toes, feet, etc. can be lost...









And another carnage incident...