Hey Dave,
My 4.3 in my `03 weenie mobile truck lost the intake gasket @ 59K. It was a known problem by GM and Texaco and their wonderful Dex Cool. I got a gasket set made by Fel Pro badged as the "problem solver". I had a tech tell me that he had seen freeze plugs fail because of Dex Cool. Little trucks and small scraped knuckles. How do big folks work on these?
The 4.3 is a good motor. A 350 minus 2 cyls. I`ve seen them turn 250k easily. The 3.0 is also seen on the road from the `90s. Tough call. My `03 is rated @ 240 ft lbs.
Cheers,
Sandy
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