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Old 10-20-2007, 03:23 PM
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Flex Plate or Fly Wheel

I am taking out my Muncie and replacing it with a TH350 Auto on my 327 SBC.
Do I replace the Fly Wheel with just the flex plate? I here and read about people using the word fly wheel in conjunction with an automatic. Are the just referring to the flex pate when they say this. I was under the understanding that you just replaced the fly wheel with the correct flex plate, is this true.

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Old 10-20-2007, 03:30 PM
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Manuals get a flywheel, autos get a flexplate. You're right, you remove the flywheel and put a flexplate in its place. Then the torque converter bolts to the flexplate.
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Old 10-20-2007, 03:36 PM
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Quote:
Originally Posted by tlauerjr
I am taking out my Muncie and replacing it with a TH350 Auto on my 327 SBC.
Do I replace the Fly Wheel with just the flex plate? I here and read about people using the word fly wheel in conjunction with an automatic. Are the just referring to the flex pate when they say this. I was under the understanding that you just replaced the fly wheel with the correct flex plate, is this true.

Thanks

Decades ago the flexplate / flywheel that transfered power from the engine to the new fangled automatic trans was a flex plate with a spring loaded center like a manual trans clutch disk.... so the name flexplate stuck on the automatics.

Not all the early automatics used a spring loaded flexplate.


long way to say that depending on where / what / who you talk to , they may use the term flexplate or flywheel on an automatic trans.
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Old 10-21-2007, 03:11 AM
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Anybody ever pulled an auto trans out of a 60s GMC with the giant V-6? They use a heavy cast iron flywheel with teeth, PLUS a wierd flex plate!
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