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Flex plate with small bolts?
https://slantsix.org/forum/viewtopic.php?t=53349
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Author:  Rick Covalt [ Mon Sep 16, 2013 4:40 pm ]
Post subject:  Flex plate with small bolts?

Is there any way to know which years of Slants have the small (5/16") flex plate to torque convertor bolts /holes?

My bolts came loose a time or two and they look to be wearing the flex plate a bit. But most of the flex plates I have seen are for the bigger bolts. (3/8" I think)

I have a factory tranny bolted to a engine up in the garage but hate to pull it apart just to find the wrong size!

Thanks

Rick

Author:  Greg Ondayko [ Mon Sep 16, 2013 4:59 pm ]
Post subject: 

Please view the Ruster racer build thread.

I detail how to make a 904 sfi flexplate out of a
sb 904 plate with the small bolts.

I am not sure what page its on but it has pics :-)

Greg

Author:  Rick Covalt [ Mon Sep 16, 2013 6:14 pm ]
Post subject: 

Great Greg, I will look. I thought you had the larger bolts?

Author:  Greg Ondayko [ Mon Sep 16, 2013 7:50 pm ]
Post subject: 

Quote:
Great Greg, I will look. I thought you had the larger bolts?
On the Current Setup Yes - On the Crappy Converter of Last year...


No.

This is the page with the Flexplate info:
http://slantsix.org/forum/viewtopic.php ... &start=195


Happy Fabbin!


Greg

Author:  Romeo Furio [ Thu Sep 19, 2013 3:12 pm ]
Post subject: 

Rick, If you need one I have a few spares that are in very good shape. I know I have a small block, maybe a few slants. Let me know and I'll look.

Author:  Rick Covalt [ Thu Sep 19, 2013 3:55 pm ]
Post subject: 

Romeo,

If you happen to have a slant one let me know. No rush. It will be an over the winter project for sure.

Rick

Author:  Romeo Furio [ Thu Sep 19, 2013 7:04 pm ]
Post subject: 

Cool it will give me time to dig as I "THINK" I know where they are........

Author:  bigslant6fan [ Fri Sep 20, 2013 11:50 am ]
Post subject:  .

The flex plates for the 5/16 bolts have slightly oversized 3/8 holes. The only other standard size would be 3/4 size used on hemi,some 440s,and most race converters.[/b]

Author:  Charrlie_S [ Fri Sep 20, 2013 7:42 pm ]
Post subject: 

I thought all 904 converters/flexplates used 5/16 bolts, stock. I checked several I have, and they were all 5/16. If I remember corectly, "race" converters had larger bolts, and required drilling a stock flexplate, or using an aftermarket plate. Can't check my race converters, right now, as they are installed, with locktite.

Author:  Romeo Furio [ Fri Sep 20, 2013 9:45 pm ]
Post subject: 

5/16'' stock 7/16'' for aftermarket race converters. Like Charrlie, drilled out a few in my time. :D

Author:  bigslant6fan [ Sun Oct 06, 2013 9:07 pm ]
Post subject:  .

Oops,good catch Romeo, and your correct,5/16 bolts for most low performance converters, and 7/16 for Hemis, and most aftermarket converters. I got mixed up with with the bolt head size which is 3/4.

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