1999 Chevy Suburban

mr_bots

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What history does that tranny have? I can't see a 4L60 with 170k on it having too much life left in it. Are all model years interchangeable?
 

dietz4ibanez

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What history does that tranny have? I can't see a 4L60 with 170k on it having too much life left in it. Are all model years interchangeable?

I'm pretty sure this is the same transmission used from 88-99 and it might be more transitional than that. I could be wrong but I'm mainly looking for transmissions in the 97-99 year model range.

The transmission with 170k on it was maintained ever 35-55k miles. With a transmission cooler and maintenance I've seen these trucks roll 350k+ miles on stock trannys...

Its still a gamble and I think I'm leaning towards a reman transmission.


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dietz4ibanez

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That's a lot of HP but for that kind of money I'd rather have another Duramax. I'll just have to double the cash. Ha ha

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mr_bots

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Alright, go the cheap route then and stick an LS3/6L80 combo in there.
 

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