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Originally Posted by midwestmk2
Not being a dick just trying to educate..
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Likewise... and learn.
Quote:
Originally Posted by midwestmk2
Yes the cranks were from the 6m but now adays and espeacially here in the US a 6m is hard to find considering they werent available here
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You're wrong there; It was the only crank used in the earlier 7M. The 7M crank didn't see a 7M until after the '88 production year (a bit after '89 actually). 86.5 through the middle of '89 p/n: 13411-42030. The 7M crank was used from the middle of '89 on p/n: 13411-42040. In '89 the tach's gauge face was changed to reflect the new redline, although some '89's still had the 6M crank and could be safely revved higher if not for the lowered limit in the ECU.
There's a lot of info about this throughout the Supra community as people like to debate which they should run in their build. My '88's got a 6M and I'm certain it's not a JDM swap. My friend's '88 has a 6M, his '90 has a 7M. I know plenty of people with 6Ms, they're all pre89s.
Here's a great comparison:
http://www.jblmk3.com/cars/crank_comparisons.php