1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

215mm vs 225mm????????

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Old Jul 9, 2003 | 10:03 PM
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R Lee's Avatar
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215mm vs 225mm????????

Does anyone know how to tell if you have the 215 or 225 flywheel?? Im not sure what I have but I know what I had bought to replace it. I only want to do the clutch job 1 time a yr or 2.

Please give your feedback. I have a 82 with 4 port engine of dont know what yr..

Thanks!
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Old Jul 10, 2003 | 12:32 AM
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82 should be the 215mm flywheel, they went to 225 in 83
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Old Jul 10, 2003 | 12:43 AM
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BUT, there is a possibility that they still have the original 215 flywheel. You have to drop the tranny.
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Old Jul 10, 2003 | 01:04 AM
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Just measure it. The 215mm is 8.465"(roughly 8 1/2") and the 225mm is 8.858", just under 9"
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Old Jul 10, 2003 | 06:26 AM
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Is that diamater or radious?

My guess is radious but that is just a guess
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Old Jul 10, 2003 | 06:40 AM
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radious
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Old Jul 10, 2003 | 10:10 AM
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So its the radius from the pilot bearing to the outter end?? Thanks for the input. Going out to measure now.....

Radius= 1/2 Diameter right?
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Old Jul 10, 2003 | 10:12 AM
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Trannys out....Aluminum flywheel and it had these small spacers between the pressure plate and flywheel..Dont know what they are for.
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Old Jul 10, 2003 | 01:05 PM
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Yes r=1/2d

Yes radius = 1/2 diameter
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Old Jul 10, 2003 | 01:15 PM
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Double Post

Stupit work server
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Old Jul 10, 2003 | 11:59 PM
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Randy,

The differance between the two is that the 225 flywheel is flat and the 215 is recessed. And these measurements are the diameter not the radius.

Ryan
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Old Jul 11, 2003 | 12:04 AM
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Originally posted by R Lee
Trannys out....Aluminum flywheel and it had these small spacers between the pressure plate and flywheel..Dont know what they are for.
Dont loose those spacers. Without it, the pressure plate will sit too far away from the t/o bearing and will cause the tranny not to disengage. if thats the 215mm, racing beat no longer make the replacement friction plates. 225 is still available.
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