Swapping to a 5 speed. Year model question - Page 2 - Diesel Forum - TheDieselStop.com
7.3L IDI Diesels FAQ Frequently asked questions in the Powerstrokes 7.3L IDI Diesels forum.

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post #16 of 18 (permalink) Old 09-09-2014, 01:17 PM
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I am trying to do the opposite. I have a 5 speed manual, and I'm trying to go to a c6. I have been having a horrible time trying to find the correct flywheel. I have a 9 bolt crank and all the ones the local auto stores could order was a 6 bolt. I finally ordered what seems like the correct one online, but it seems to need a spacer behind it to clear the block. Has anyone heard of this? Did your 7.3 w/ c6 have a spacer behind the flywheel? And if so does anyone know where I can get one, I haven't had any luck on internet searches. Thanks.
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post #17 of 18 (permalink) Old 11-16-2014, 08:45 PM
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I'm almost 100% certain that there is a spacer between the flywheel and flexplate, it's a relatively common setup when using an automotive automatic & bellhousing adapter with an engine with an SAE bolt pattern. As far as where to get them, the first place I'd try is the Ford dealership and then the parts houses. As far as the spacer itself, maybe eBay? A Ford or Navistar dealer may have them, too.


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post #18 of 18 (permalink) Old 11-17-2014, 01:33 AM
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C6 on 6.9s definitely had a spacer in there then a small flange that acted as a washer for the flywheel bolts. I'm going by memory but its pretty good, did a pile of rear main seals on the 6.9/7.3 idi while they were still under warranty.
I have a recently purchased 88 with a 7.3 /C6 I might be able to check for example but we got a lot of early snow here and I can't even get under it until we get some melt.

I hate winter, I'm a mechanic.

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Last edited by 68Mercury250Ranger; 11-17-2014 at 01:35 AM.
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