08-13-2005, 09:50 AM
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CC Member
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Join Date: Apr 1999
Location: cleveland,
OH
Cobra Make, Engine: CSX4000, 427
Posts: 1,999
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Not Ranked
Other than making your engine dirty, with oil leakage, I have heard that some times, especially with the FE design, as the blowby gases escape through these breathers, with the gasses passing up from the crankcase to the heads, through the openings where the oil drains back. At times, if there are enough of blowby gasses, and the oil return passages are too small to handle both the blowby gasses and the returning oil going in opposite directions, you can end up with excess oil retained on top of the heads, being retained by the blowby gasses. If you run solid valve covers, and the engine blowby gasses vent through the intake, then the oil can drain easier from the top side of the head back to the pan.
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"After jumping into an early lead, Miles pitted for no reason. He let the entire field go by before re-entering the race. The crowd was jumping up and down as he stunned the Chevrolet drivers by easily passing the entire field to finish second behind MacDonald's other team Cobra. The Corvette people were completely demoralized."
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