Pre-Power Stroke Diesel (7.3L IDI & 6.9L) Diesel Topics Only

C6 flywheel

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Old 10-12-2012, 04:41 PM
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C6 flywheel

Mine is cracked anyone have the sheet metal drive plate ?
Rather get one off of here then from a junkyard .. If possible ?
 
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Old 10-12-2012, 04:42 PM
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Have you priced a new flex plate? What engine do you have?
 
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Old 10-12-2012, 04:44 PM
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7.3 idi , as far as I can tell the flywheel or the drive plate aren't available new anymore ...
 
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Old 10-12-2012, 04:49 PM
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Rockauto has one for $166
 
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Old 10-12-2012, 05:12 PM
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Thanks , I sent them an email as the parts illustration doesn't show the sheet metal drive plate .. :-(
 
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Old 10-12-2012, 05:26 PM
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Its under automatic transmission, then select flexplate. Z342 is the part #, made by ATP
 
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Old 10-12-2012, 05:32 PM
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Yeah I found that . The problem is that there's also a sheet metal drive plate that is bolted over the flywheel that the torque converter bolts to . I'm not seeing the sheet metal plate ( which is what is cracked and I need )
 
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Old 10-12-2012, 10:28 PM
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Originally Posted by Twistedwrench
Yeah I found that . The problem is that there's also a sheet metal drive plate that is bolted over the flywheel that the torque converter bolts to . I'm not seeing the sheet metal plate ( which is what is cracked and I need )
Yup, you're right about the plate.

For anyone wondering, the C6 has a two piece setup with a cast iron flywheel and starter ring gear, and a separate stamped steel flexplate. Both pieces are held onto the crank with the same set of bolts.

Later E4OD style "flexplates" are a true flexplate that eliminates the cast iron flywheel. The stamped steel portion is made stronger while the flywheel is replaced with a spacer, and the starter ring gear is mig welded to the edge of the flexplate.

Later E4OD style "flexplates" have only the stamped steel flexplate that eliminates the cast iron flywheel. The stamped steel portion is stronger, the flywheel is replaced with a spacer, and the starter ring gear is mig welded to the edge of the flexplate.

I don't know if the E4OD style flexplate can work on a C6, but I was able to cheat the other way around with some minor modding.

My flexplate broke a while back but I was lucky and found a good C6 style flexplate that came off a 7.3 (think it was 1988). Paid a little too much at the wreckers but it was in decent shape.
 
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Old 10-13-2012, 06:01 PM
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The bolt spacing on the e4od flex plate has six bolt holes for the toque converter . I suppose it could be redrilled to work ....
 
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Old 10-13-2012, 06:14 PM
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Side note , a 1991 7.3 flex plate has 4 torque converter stud holes . I wonder if that will work ? I email ATP and inquired about the sheet metal drive plate ....we will see what happens .....
AHH HHA !!! I did a quick search and the newer one piece flex plate WILL work but I'll need a spacer that's used on the E4OD trucks ...! Anyone have a e4od spacer kicking around ?
 
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Old 10-13-2012, 08:40 PM
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Originally Posted by David85
Yup, you're right about the plate.

For anyone wondering, the C6 has a two piece setup with a cast iron flywheel and starter ring gear, and a separate stamped steel flexplate. Both pieces are held onto the crank with the same set of bolts.

Later E4OD style "flexplates" are a true flexplate that eliminates the cast iron flywheel. The stamped steel portion is made stronger while the flywheel is replaced with a spacer, and the starter ring gear is mig welded to the edge of the flexplate.

Later E4OD style "flexplates" have only the stamped steel flexplate that eliminates the cast iron flywheel. The stamped steel portion is stronger, the flywheel is replaced with a spacer, and the starter ring gear is mig welded to the edge of the flexplate.

I don't know if the E4OD style flexplate can work on a C6, but I was able to cheat the other way around with some minor modding.

My flexplate broke a while back but I was lucky and found a good C6 style flexplate that came off a 7.3 (think it was 1988). Paid a little too much at the wreckers but it was in decent shape.

And heres a pic I can add with your explanation.

 
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Old 10-13-2012, 09:15 PM
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Yup that's what I'm going to swap mine over to.
 
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Old 10-14-2012, 02:11 PM
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Originally Posted by Twistedwrench
The bolt spacing on the e4od flex plate has six bolt holes for the toque converter . I suppose it could be redrilled to work ....
There is a four hole version of the later stamped flexplate. 93 and up IDI

Six hole is for 95 and up PSD. This will not work on the IDI.
 

Last edited by trackspeeder; 10-14-2012 at 02:22 PM. Reason: Brain fart.
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Old 10-14-2012, 03:32 PM
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Yeah I found that our last night ...
 
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Old 10-14-2012, 09:43 PM
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Originally Posted by trackspeeder
There is a four hole version of the later stamped flexplate. 93 and up IDI

Six hole is for 95 and up PSD. This will not work on the IDI.
+1..........
 


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