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Duramax Swap

lak2004

1/2 ton status
Joined
Aug 31, 2006
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Location
Durango, CO
Ok well I am really wanting to put a 6.6 in my 85 K5, I know it will be expensive but it will be unique and fun to drive. I plan on leaving the engine stock so I was wondering if a 4l80e would hold up to the 300hp 610lb/ft? If it is adequate what tcase is the best to run behind it?

Thought about doing the Allison 1000 w/ NVG-261 or 271 but I have heard that would be a very long drivetrain and might not work so well with a short frame.

Any input would be great, thanks guys!
 
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