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Re: Heads for 3.1
someone else will chime in surely, but I think that either will work, there is not a whole lot of difference in the engine for over a decade. The 3.5 and 3.9 lost the water through the intake all together after all the intake gasket problems, but before that should be ok.
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10 hours away from John Deere master certified
also master certified ASE tech. Exp. in both.
Went to school for cars, wound up staying with Deere dealer for a while, so schooling there too. Also couple years exp in GM and some GM training
Gave up wrenching for "Greener Pastures"
Current job: RN
2010 Silverado Z71 5.3L 65xxx
Wife's
2007 Suburban 1500 LTZ 5.3L 102xxx
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