Recent content by Owenst7
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O
GM crate engines?
I installed the 4 bolt (GM 12681431) in my DD in 2015 IIRC. The original engine had 230k on it and the lower intake manifold seal failed (The dealer told me they were installing the correct one at 20k). The original had 2 bolt mains and I didn't see need for the inconel seats upon inspection of...- Owenst7
- Post #48
- Forum: Engine Performance + Maintenance
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kennythewelderOfficially Retired, B31-3 (6-G) certified welder.
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