I know for a fact that the connecting rods for a 86 and 87 are different. The 87-01 rods are longer, there was also a case change in 87.
If you have a 86 or older, I believe you have to get a factory rod, I used to have an 85 and I could not ever find a connecting rod aftermarket for it.
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First level of mining... See the big diesel engines and the little tiny people?
-Greg
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