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Re: 78 2wd Blazer - LS Swap and more..
if it's not hammering, you can probably get away with just bearings. i bet the bores still have the crosshatch. unless they've got a good glaze, i wouldn't worry about it.
cut the oil filter when you take the engine apart and see what's inside, that will tell you a lot of the story.
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1999 GMC Suburban K2500 SLT, 454/4L80E
1991 Z/28, 6.0L/T56
1949 GMC 250, S10 Frame, 6.0L/4L80E
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