Flex plate ? going from a c6 to a PG

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Flex plate ? going from a c6 to a PG

Post  nuclearcobra on June 27th 2014, 11:50 am

My buddy is selling his motor to another friend who's t bird uses a power glide , my ? is the 460 I built is ext balance using a ext balance scat flex plate , what will he need for the glide flex plate ? I guess I mean will he have to get the glide flex plate balanced to the 460 ?
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Re: Flex plate ? going from a c6 to a PG

Post  schmitty on June 27th 2014, 12:24 pm

Most of the aftermarket flex plates are drilled for both Ford and GM patterns.  If it isn't, I'd just get a new one that is.  They are fairly inexpensive.  I have had a TCI that was drilled that way, and 2 JW's that are.
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Re: Flex plate ? going from a c6 to a PG

Post  cool40 on June 27th 2014, 2:41 pm

That external balance may be a problem. You may be able to drill the glide pattern on it? You can also have a converter made to fit your flexplate.
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Re: Flex plate ? going from a c6 to a PG

Post  dfree383 on June 27th 2014, 3:25 pm

I think JW has what you need
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Re: Flex plate ? going from a c6 to a PG

Post  69F100 on June 27th 2014, 3:57 pm

my CSR has both patterns but it is internal balanced they may also have one for external balance
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Re: Flex plate ? going from a c6 to a PG

Post  dfree383 on June 27th 2014, 4:07 pm

Part number for JW wheel is N930001-X and the convertor bushing is 80002-1
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Re: Flex plate ? going from a c6 to a PG

Post  bbf-falcon on June 28th 2014, 8:00 am

If the flywheel has the counter weight on it still,why couldn't you just drill the PG pattern on it?

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Re: Flex plate ? going from a c6 to a PG

Post  nuclearcobra on June 28th 2014, 11:27 am

I have to see what kind of flexplate he has in there now and if the 460 that came with the Tbird is external or internal balance, the car already had a 460 in it before but it dropped a couple valves and tore up the iron head , its the one I showed pictures of a while ago and asked if it could be fixed, and if his is internal than we will drill the flexplate. I don't recall the scat having both patterns but I could be wrong.
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Re: Flex plate ? going from a c6 to a PG

Post  Lem Evans on June 28th 2014, 11:29 am

Some of those dual bolt patterns are glide & turbo 400.

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Re: Flex plate ? going from a c6 to a PG

Post  rmcomprandy on June 28th 2014, 12:07 pm

dfree383 wrote:Part number for JW wheel is N930001-X and the convertor bushing is 80002-1

To many "zeros" Dave... N93001-X is the flywheel/flexplate for a Turbo/Powerglide to external balance 460..

That flexplate has BOTH the small and large GM torque converter bolt patterns.

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