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fredmeister fredmeister is offline
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Join Date: Oct 2002
Location: Baltimore, MD, USA
Posts: 2,213
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tearing cv joint boots

Does anyone experience frequent tearing of the cv joint boots on your 930 turbo?

I have replaced the outboard cv joint boots on my 79 930 turbo 2 times in 2 years and am wondering if this may be a common failure on this particular model.

I track the car at DE events about 10-12 days per season and am wondering if the increased movement of the rear suspension during heavy track driving puts the cv joints at extreme angles leading to the tearing.
I have a stock suspension and there is a fair amount of suspension travel and squat and diving during the DE days.
I have replaced the boots with new quality boots and am careful not to puncture or in any way twist them to start a problem during the replacement process.
This is really a PITA now. Anyone with ideas?
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1979 930 Turbo....3.4L, 7.5to1 comp, SC cams, B&B intercooler, Snow Perf water/meth injection, Rarlyl8 headers, Garret GTX turbo, 36mm ported intakes, Innovate Auxbox/LM-1, custom Manually Adjustable wastegate housing (0.8-1.1bar),--running 0.7bar max
---"When you're racing it's life! Anything else either before or after, is just waiting"
Old 11-02-2009, 12:03 PM
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