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PCA Member since 1988
Join Date: Feb 2018
Location: SW Washington State
Posts: 4,578
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Another basic question: Did you do a compression of leak-down test before pulling it apart? What did that show? Was the engine burnin excessive oil?
If the cylinders look good, get them and the pistons measured too. Check the side clearance between the rings and the lands. Then put the top ring of each piston into the same cylinder it came out of, and measure the ring end gaps. It's entirely possible those are still within spec and can be reused, as long as you put the same pistons and rings into the same cylinders they came out of.
Save some green for the next thing I will suggest: New M1 cams. These will be $1000 for the pair. If you're interested, contact William Knight (he's on here as Knightrace). These won't make a huge difference, but they will extend the power and torque curves and were designed to maximize performance using the stock pistons.
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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.
Cars are for driving. If you want art, get something you can hang on the wall!
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