bonnarls1

iTrader: (20)

a have a 2000 ls1 firebird,with a 4l60e,i swap it for a th350,with fti 4800 converter,tci flexplate for a ls1 engine,the th350 is built,mvb,got it all together and i have a vibration, at 3000-3300 rpm and around 5800-6000
any help thanks.a have a problem with the stall it only flashes at 3400.

Gilbert@Ace Racing

I doubt seriously the transmission is the source of the vibration. I would recommend taking a very long hard look at the converter.

Remove the flexplate / converter bolts and rotate the converter in relation to the flaxplate. Run it and see it the vibration moves to a different rpm. It might, it might not.

I don't recognize the "fti" brand name as a converter company I am familiar with. Have you ran their units previously?

There are only a couple of reasons why it is stalling sooo low.... your engine is midifring or is otherwise not capable of pushing the stall, or the converter is defective.

g

bonnarls1

iTrader: (20)

yea we got some guy's down here in flordia running these converter's,there are having no problem's with those converter's,we look at the car last night the balancer has a chip out of it so we are going to change it and see what happen's. thanks