Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum - View Single Post - AFM/DOD question
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Old 02-06-2019, 08:36 PM
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rcott01 rcott01 is offline
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2004 GMC Envoy SLT XL
Black 4.2L I6 4X4
Join Date: Feb 2016
Location: Eaton, OH
Posts: 61
You can have it disabled in the tune , but eventually the lifters will fail and cause big issues. I bought a Saab 97x with the 5.3 really cheap because the lifters failed causing oil starvation and spun 2 rod bearings. If you are mechanically inclined and can do a cam swap, I would swap the cam, lifters, and valley cover. They sell dod delete kits but they are expensive. You can get a set of ls7 lifters for $100, gen 4 4.8 valley cover for $30 and a used stock 5.3 cam for $75. If you look around you might be able to find a deal like I got....ls2 cam, lifters, valve springs and keepers, pushrods, and ls2 valley cover from a 06 gto with 30,000 miles for $140....and a little bump in power.
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