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Registered
Join Date: Sep 2007
Location: Wheaton, IL (Chicago 'burbs)
Posts: 3,141
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3.2 rod bolt weakness.
I've had two 3.2L '86's. First one I bought new and after a year of street driving it became primarily a track car. Ran close to 10 years on the track running to a 7100rpm redline and never had an issue.
Current 3.2 had 192,000 miles on it when I bought it. Ran 3 years on the track with an original bottom end, same software that allowed 7100.
OK, Brad Penn changed every other track weekend, so perhaps it's not a fair comparison. But of the hundreds of people I know who have 3.2's, and track them, have never heard of a rod bolt failure that wasn't the result of a missed shift or some other cause.
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Ed
'86 911 Coupe (endless 3.6 transplant finally done!)
'14 Jeep Grand Cherokee 3.0 Turbodiesel (yes they make one)
'97 BMW 528i (the sensible car, bought new)
'12 Vintage/Millenium 23' v-nose enclosed trailer
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