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Press Fit?
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Author:  godspeedglen [ Tue Feb 04, 2003 1:39 pm ]
Post subject:  Press Fit?

Hi, anyone ever put a pre 68 motor with a post 68 trans? I know there is an issue with the converter and flexplate. But I was looking to see if any one else has done some sort of modification to achieve this. I was thinking about shaving the snout on the converter. Is there a year of converter that has the late trans spline but the early pilot bushing? HELP!!!!

Author:  Dart270 [ Tue Feb 04, 2003 2:13 pm ]
Post subject: 

There is not enough meat in the converter or crank snout to do what you propose - sorry. You will need either a post-68 crank, a hybrid converter (they custom make 'em!), or a pre-68 trans and converter. Try Midwest Converter (Dennis just posted their number in Race talk column, I believe).

Lou

Author:  Doc [ Tue Feb 04, 2003 2:51 pm ]
Post subject: 

When I run into this issue, I pop-out the front pump of the 904 and swap the input shaft to the earlier 3/4-18 spline unit, then use the early converter.
You can also machine out the back of the crank but that means the crank has to come-out.
DD

Author:  slanted 67 [ Tue Feb 04, 2003 3:22 pm ]
Post subject:  pre 68 tranny

I had the opposite problem.....too large crank opening for a pre-68 transmission...I swapped cranks. :P :P

Author:  rustycowl [ Wed Feb 05, 2003 7:36 am ]
Post subject:  it can never be too big

If the hole in the crank is too big, that's not really a problem. You just make an aluminum bushing to reduce it to the proper size. Pat B, a local tranny guy, uses old rear supports to machine out and part off to make the 'rings'

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