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PCA Member since 1988
Join Date: Feb 2018
Location: SW Washington State
Posts: 4,232
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Quote:
Originally Posted by mikedsilva
So far, in my limited experience, I've never come across an engine that didnt show some wear on rod bearings no matter how much the owner claimed it was good. Unless it has documented proof of a recent re-assembly, I'd always rebuild the bottom end. Just my opinion.
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Bearing shells may show some "bedding in", but typically not worn IME, unless there was loss of oil pressure or contamination. Splitting the case causes additional expense and delays, usually needlessly.
If you are a professional shop, you want to go through the whole engine to warranty your rebuild, but a good DIYer doesn't need to do that.
That's why I asked the OP how many miles on the engine . Most of us will not put enough miles on an SC engine to wear out the bottom end. Valves and guides are usually what needs work at 150K+ miles.
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1973.5 911T with RoW 1980 SC CIS stroked to 3.2, 10:1 Mahle Sport p/c's, TBC exhaust ports, M1 cams, SSI's. RSR bushings & adj spring plates, Koni Sports, 21/26mm T-bars, stock swaybars, 16x7 Fuchs w Michelin Pilot Sport A/S 3+, 205/55-16 at all 4 corners.
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Last edited by PeteKz; 11-01-2024 at 04:08 PM..
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