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Old 08-04-2014, 08:19 AM
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thanks Glenn, but now that i think of it, stem seals shouldn't have anything to do with compression as the valves are seated against the head to close off the cylinder during compression.

the valves stem seals are to keep exhaust and intake gases out of the valve cover during intake and exhaust strokes... ...right?
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97 F350 - BLACK (formerly white) (CCLB 4x4 7.3L PSD 3.55LS 361k mi DD) Mods: auto->ZF5, Rosewood II's, 910-16's, studs, T500, Melling LPOP, DIY T4 S366, 4"DP->5", DIY E-Fuel, DIY Weld-in dipstick, 6.0 IC, 2790 Air Filter, 33x12.5x16.5's, 35gal tank, DIY overhead gauges/console
97 F250 RCLB 2WD 5.8L gas ZF5 BLUE; Rust in Peace: 96 F250 SCLB 4x4 7.3L PSD - RED
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