JonSnow

Question for you guys

I just had a new motor built for my Z (New heads, rods, pistons, erl shortblock, the whole shebang) about 75 horsepower over my last setup.... After getting everything dialed in and broken in I went for some test runs ( getting on the throttle ) and while doing a full 3rd gear pull this loud horrible vibration starts coming from the shifter, to the point where the shifter is difficult to hold onto (like one of those carnival games with the vibrating stick) it only happens when applying power, any sort of power input to move forward it makes noise and it feels like the brakes are being applied!



Edit

Ended up pulling the torque tube apart and everything in there is fine (bushings intact etc) While there I also looked at the clutch (McLeod) and again. Looks fine and is adjusted properly.

If you let the car sit for a while then drive its fine, however once you start applying real power it does it again.

Any other thoughts as to what it might be? How do I isolate whether it's the t56 or rear end? Is this a common symptom of rear end or t56 failing

double06

Maybe motor or trans mounts starting to go.

JonSnow

will try that next thanks

Dirty Howie

Did you make sure your shifter is not loosened up?

Does your motor vibrate just revving out of gear?


DH

harrydirty

Sounds like clutch is slipping............

JonSnow

I have a new McLeod clutch in there I put about 1500 miles on it, after inspection it still looks good.

I sure hope the clutch can handle 580 hp!

Thanks for the response

meanjoe

redcycle13

I know you said you pulled torque tube and everything looked good, but I had a similar feeling after a new engine build. After I had the torque tube out the second time I found the pilot bearing was trashed. Just a thought.

stefuel

I know you re balanced the engine after going with different pistons..........right?

JonSnow

thanks will take a look at that as well

JonSnow

thanks for everyone's help.

pulled the tranny and the fluid is full of metal.

Dirty Howie

Bummer ....... did they add correct amount of tranny fluid after new motor was installed??


DH

JonSnow

it's one of those things that even if I ask I don't think they'd tell me

this is what I get for buying someone else's modified car. ;(

Dirty Howie

Well,could be worse like a new motor. Let us know when its up and running good again


DH

JonSnow

installed a TR6060

the car now grinds from the 4 to 6 shift.


ive replaced the entire motor in this car, torque tube, clutch and now transmission, I'm ready to throw myself off a bridge.