flywheel and balancing question

[Paul]

If I replace the flexplate on a blanced 401 with a flywheel (I'm switching from an automatic to a manual transmission), do I have to disassemble and rebalance the whole motor? Where can I get a 401 flywheel?

[Wesdog]

Paul, there may be a 401 version of this 360 SFI Flywheel available: http://www.performanceamstyle.com/Cart/description.php?II=89&PHPSESSID=a4ffd53cf113f3282e5d350bd1fb6a7b

If there is a stock 401 specific AMC flywheel available then it would be properly balanced for a STOCK 401 with a STOCK balancer. Is your 401 rotating assembly stock?

This is also a good question for the AMC forum:

http://www.amcforum.net/forums/

Wesdog

http://www.fullsizejeeps.com/jeeps/files/Misc-Pictures/wesdog_avitar1.jpg

[Wesdog]

Is your 401 rebuilt and was it balanced when it was rebuilt? If so and if you still have the balance sheet from the shop it would be possible to balance a 360 flywheel to you engine. Actually, they could probably use your existing flexplate to determine the correct flywheel balance.

Wesdog

http://www.fullsizejeeps.com/jeeps/files/Misc-Pictures/wesdog_avitar1.jpg

[Paul]

The engine was rebuilt and balanced this past March. I'll have to look and see if I have the balance sheet.

[marine02]

http://www.rockauto.com/

[Cecil14]

If it's a stock balance you can get a flywheel from a 401 car. Motor is the same. Otherwise a 360 flywheel rebalanced may be a better option.

Anthony