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JH5 Clutch Dimensions  Rating:  Rating
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 Posted: 12-31-2007 02:45 pm
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Jensenman
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I have found a Toyota Supra 5 speed box and located an Excel bellhousing, putting me well on the way to the Toyota 5 speed swap in my 1974 JH5. I have a dumb question: I realize the Toyota input shaft is way different than the Getrag that's coming out, meaning I'll have to go with a different disc. The Supra disc is 8 7/8" OD, 21 x 1 1/8" spline. The dumb question: what is the OD of the original J-H clutch disc for the Getrag cars? I *think* it's 8 1/2". I'd like to find out before I have to pull the gearbox out.

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 Posted: 12-31-2007 04:08 pm
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Judson Manning
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We chatted about this some time ago:

http://www.jensenhealey.com/forums/view_topic.php?id=498&forum_id=2

 

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 Posted: 12-31-2007 07:29 pm
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Jensenman
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Very good information. Can you tell me who made the clutch disc you used?

 

 

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 Posted: 04-18-2008 12:33 am
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Jensenman
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As it turns out, after getting some outrageous quotes around the nation for a custom 8 1/2" disc, I decided to go a different route. I had a local machine shop drill and tap my flywheel to accept a Toyota Celica (not Supra) 8 7/8" pressure plate. That means I can use the easily available Toyota disc.

My car's tranny swap has been completed (except for speedometer calibration) and the car is being driven. 

 

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 Posted: 04-21-2008 03:53 pm
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pbahr
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Is this beauty going to show up at the Nationals in Watkins Glen.  This is going to be a fantastic event, including a few laps around the racetrack, and a presentation by the Watkins Glen official historian.

I maintain that this will be the best East National ever ! ! !

Pete Bahr

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