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I bought the new piston and spring, but did not use them in the 3.2 replacement engine that I was installing in my S. Instead I did as mentioned above, ground a chamfer into the old piston and placed 2 washers under the spring to increase tension. With that my oil pressure is a bit low on my after market oil pressure gauge, which I am sure is reporting the pressure a bit lower than it really is (oil pressure light never flickers). I replaced my reworked piston and the old spring/washers with the new piston and spring. After an initial test it would seem that the pressure at idle has increased a bit, but I will keep checking it.
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Grant
Arctic Silver 2000 Boxster S - bought with a broken engine, back on the road with the engine replaced
Green 2000 Boxster 5-speed and 1978 928 auto
1987 924S 5-speed (Sold) - Blue 2000 Boxster 5 spd (Sold)
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