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Old 02-19-2010, 04:34 PM   #12
Mister laugh
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Join Date: Jun 2007
Location: Edmonton, Alberta
Posts: 423
Re: 4.3 to 5.3 engine swap??

It may hold it it may not, however GM NEVER put a 5spd behind a 5.3 becasue their engineers didn't think an nv3500 would hold up, and a 4500 is too much behind a 5.3. It will bolt right up if you can find a flywheel but i have faith in GM's decidion making for the most part and personally wouldnt put a stock nv3500 behind a 5.3.
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