Re: Internal-External Ballance Stuff

From: Michael Clark (mike@mikesdakota.com)
Date: Tue Aug 28 2001 - 03:55:30 EDT


> Ok, when you all are talking about swapping the 318 for a 360, what is all
> the talk mean about the internal/external ballancing portion of it??
> Specifically for an outo trans, cause thats what I have... how is it done,
> stuff like that....

Someone stop me if I'm wrong....

It's sorta like balancing a tire. The difference is where the weights
are put. In the 318 this is all done on the inside, the crakshaft.
The flexplate and vibration damper are neutrally balanced. For the
360 the crankshaft is unblalanced (perhaps because of the longer
stroke??) so you need a special 360 damper on the front and a
specially balanced flywheel or flexplate on the rear to balance the
assembly out as a whole. I'm doing this exact swap this weekend in my
'93! I too have an auto so I had to get a flexplate with counter
weights on it specificaly for a 360.

I think this is the basic idea. I may have some of the details wrong
though.... hey at least I tried, no one else responded to your post.

--Mike
www.mikesdakota.com



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