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Old 06-23-2009, 11:47 AM
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Default Early T56 to a pre 85 SBC

I have a 383 I am building and want to hook up a early LT1 T56 to it. What will I need?

Jay
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Old 06-23-2009, 03:48 PM
GeoffP GeoffP is offline
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It depends on which direction you want to go with the T-56. OE or Aftermarket. OE will mean you'll need a complete T-56 setup including the clutch assembly (make sure it's complete - the T bolt isn't avail from GM anymore). Depending on if your block/crank is pre or post 1986 you could also need a special flywheel. Pre-86 is 2 piece rear main as I'm sure you already know and will require a different flywheel.

If you go aftermarket, you can use a traditional clutch setup, flywheel, etc.

I hope this helps. Let me know if I can answer any LT1 clutch setup questions. I've done a couple of them.

Cya!
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Old 06-23-2009, 03:54 PM
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Thanks for the info, I am going with OE it has the clutch and everything still I guess I would need to find out what fly wheel I am going to need.
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Old 06-24-2009, 12:31 PM
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See if this helps: http://www.nastyz28.com/~Todd80Z28/p...56_Install.htm

Search over at nastyZ a bunch of guys have done it.
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Old 06-24-2009, 12:40 PM
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You will need to get the "special" flywheel, you can look it up at Summit.
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Old 06-24-2009, 05:10 PM
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I looked on summit they only had one for a BBC. I will have to call some people up.

Thanks for all the help guys.
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Old 06-24-2009, 06:54 PM
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Try calling Mcleod's tech support, they were extremely helpful and knowledgeble when I had questions on which flywheel and clutch to use. Good luck, it's the best thing I ever did to my car
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Old 06-26-2009, 07:44 AM
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You could also search Mcleods message board, it's been asked a few times.

Centerforce, Hayes, Zoom and a few others make the flywheel you need.

Flywheel will work with either BBC or SBC. Only diff is internal or external balance.
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Old 06-26-2009, 12:44 PM
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A buddy of mine did this and used Centerforce's flywheel. As far as I know he's never had a problem.
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Old 06-26-2009, 12:47 PM
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Ok ill check them out thanks.
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