LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Can someone explain what is involved in balancing a flywheel...

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Old Feb 22, 2003 | 06:00 PM
  #1  
snksknr94's Avatar
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Can someone explain what is involved in balancing a flywheel...

and how I go about getting it done? I know it needs to be done by a machine shop. I have a McLeod street twin with steel flywheel waiting to go in, and I need the new flywheel balanced to the old one. What exactly does this mean? Do I have to take both flywheels to the machine shop, so they can make the new one match the old one, or can I just take the new one down and make sure it is balanced? I'm a bit confused about this whole process, I kinda know what's suppose to happen, just need to clarify a bit. Also, what should I expect to pay to have the flywheel balanced?

Thanks!
Old Feb 23, 2003 | 03:24 PM
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Good question!

I've been contemplating the t56 swap, and that is an issue that is unclear to me. Here's a bump. Maybe someone can speak to this issue.
Old Feb 23, 2003 | 03:37 PM
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I've got the notes on my McLeod flywheel balance/install at http://www.go-fast.org/z28/drivetrain.html. Scroll down and look for the big section of red text.

Dave
Old Feb 23, 2003 | 04:09 PM
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Alright, so since my motor is still original I need to take my old flywheel with me and have them match the McLeod flywheel to it. Then I should have my pressure plate neutrally balanced? Or is that just for a built motor?
Old Feb 23, 2003 | 05:18 PM
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Originally posted by snksknr94
Then I should have my pressure plate neutrally balanced?
I would, as long as they're at it.

Dave
Old Feb 23, 2003 | 06:27 PM
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Wouldn't you have the flywheel balanced with the pressure plate bolted to it, instead of balancing the plate seperately?
Old Feb 23, 2003 | 08:23 PM
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Originally posted by anaik
Wouldn't you have the flywheel balanced with the pressure plate bolted to it, instead of balancing the plate seperately?
good question
Old Feb 23, 2003 | 09:46 PM
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Originally posted by anaik
Wouldn't you have the flywheel balanced with the pressure plate bolted to it, instead of balancing the plate seperately?
Seems to me that'd be fine, assuming that all the time your engine is running, the pressure plate would be spinning with the flywheel. It isn't, is it? (I'm serious, I haven't ever pulled a tranny off, but I didn't think it was "attached").

Dave
Old Feb 24, 2003 | 01:49 AM
  #9  
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Originally posted by LPEdave
Seems to me that'd be fine, assuming that all the time your engine is running, the pressure plate would be spinning with the flywheel. It isn't, is it? (I'm serious, I haven't ever pulled a tranny off, but I didn't think it was "attached").

Dave
Anybody know the answer to this?
Old Feb 24, 2003 | 06:17 AM
  #10  
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Originally posted by LPEdave
Seems to me that'd be fine, assuming that all the time your engine is running, the pressure plate would be spinning with the flywheel. It isn't, is it? (I'm serious, I haven't ever pulled a tranny off, but I didn't think it was "attached").

Dave
The pressure plate definitely bolts to the flywheel. The clutch disc floats if not engaged.
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