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JFairman JFairman is offline
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Join Date: Jul 2006
Location: S. Florida
Posts: 7,289
The 930 bellhousing was around an inch shorter during the first 2 or 3 years because they used a narrow spring center clutch disc and pressure plate back then.

Then Porsche and Sachs got stupid and started putting a big thick rubber center clutch disc and thicker deeper pressure plate to fit over it and made the bellhousing deeper and longer to fit it in there.

I have no idea why they did that, the spring center disc works fine and lets the motor mount around an inch forward in the chassis and the rubber center disc dry rots, cracks, and breaks apart and costs more to replace.

Most people replace the rubber center 930 disc with a spring center disc. Then you can also replace the Sachs pressure plate with a KEP stage 1 aluminum pressure plate that weighs around 12 pounds less and has a deep aluminum basket frame to take up the extra space in the stock 930 bellhousing.

Or you can have the 930 bellhousing shortened, install the narrow early 930 pressure plate and move motor around an inch forward in the car. Seems the rear motor mount must be different or maybe it uses a spacer to allow that.
Old 09-05-2011, 05:23 AM
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