Thread: Shim Under Valve Spring Seat
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RSOHC RSOHC is offline
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Join Date: Apr 2020
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According 1975 Model 911S 2.7 Technical specifications, my engine should have installation lengths of valve springs of 35mm +/-0 0.3mm for the intake and 35.5mm +/- 0.3mm for the exhaust.
Old 08-04-2023, 03:34 PM
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