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Flywheel

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timj5130@gmail.com View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote timj5130@gmail.com Quote  Post ReplyReply Direct Link To This Post Topic: Flywheel
    Posted: Feb/05/2021 at 7:30pm
What do you guys advise on getting a flywheel? Is the a difference from a place like Jegs or an AMX parts dealer- other than price?

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Post Options Post Options   Thanks (0) Thanks(0)   Quote Ramzilla Quote  Post ReplyReply Direct Link To This Post Posted: Jun/09/2021 at 9:10pm
I got my flywheel for my SC Rambler at  American Performance in Florida neutral balance about $400 or so. Not many places that make them. Have to be custom made to order.
Larry
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Post Options Post Options   Thanks (0) Thanks(0)   Quote mbwicz Quote  Post ReplyReply Direct Link To This Post Posted: Jun/10/2021 at 6:23am
  If you are racing it, or planning high RPM's, you may want to consider a billet flywheel rather than a factory style cast one.  And think about if you want to maintain the external balance or go to neutral balance on the flywheel as well.  I believe that Ram and Centerforce have AMC flywheels, if you want to go billet.  I'm not sure about the cast options.
  For my car, a factory flywheel, magnafluxed and resurfaced, is what I went with.

Mike

1970 AMX. Holy Crap its easy to spend money on this car!
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SC397 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote SC397 Quote  Post ReplyReply Direct Link To This Post Posted: Jun/10/2021 at 7:57am
For which engine?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote timj5130@gmail.com Quote  Post ReplyReply Direct Link To This Post Posted: Jun/10/2021 at 9:27pm
It is a 343. I ended up getting mine at Jegs.  My engine builder is going to balance it . I’ll be able to hear it run on his dyno when I pick it up. 
Thanks to all of you for your advice!
Tim
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Post Options Post Options   Thanks (0) Thanks(0)   Quote SC397 Quote  Post ReplyReply Direct Link To This Post Posted: Jun/11/2021 at 9:47am
You are going to have a problem unless you bought one for a pre-1971 engine.
1966-1971 Flywheel counter bore to mount up to the flywheel is a slight press fit at about 4.496"
1972 and later flywheels have a 4.575" counter bore but indexes off of the raised flange.


IMG_3113 by Rick Jones, on Flickr

https://rebsamcandjeep.proboards.com/thread/585/amc-290-401-flywheels-flexplates?page=1&scrollTo=8862

What is the part number of the one that you ordered?

I think that you actually need the flywheel that is in this post.
https://theamcforum.com/forum/topic110997_post971018.html#971018



Edited by SC397 - Jun/11/2021 at 10:01am
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