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Old 01-25-2019, 02:57 PM   #4
weim55
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Join Date: Jan 2017
Location: Larkspur, Colorado
Posts: 910
Re: TH350 to TH400 swap - whats needed?

Maybe I should just rebuild the 350 so its not such a pig.[/QUOTE]

X2 there's really no reason to upgrade to the TH400 unless you're towing heavy stuff constantly or couple hundred horsepower above stock and running it HARD. I've used-built many TH350s for various mild-medium above stock applications with zero failures.

Steve weim55 Colorado
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