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SVT Shelby GT500
Intermittent white exhaust smoke in 6th gear
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<blockquote data-quote="rotor_powerd" data-source="post: 15701531" data-attributes="member: 76391"><p>Applying load at low RPM in an overdrive (6th is a double overdrive) gear sends cylinder pressures through the roof. Nothing about it is good for the engine. With high cylinder pressures comes higher crankcase pressure. Under boost the crankcase vent system can only vent pressure, there is no longer a scavenging effect with the intake pulling a slight vacuum across the motor. Combine all of that, and you get excess blowby/oil pushing into the intake - most likely the cause of the smoke you are seeing.</p></blockquote><p></p>
[QUOTE="rotor_powerd, post: 15701531, member: 76391"] Applying load at low RPM in an overdrive (6th is a double overdrive) gear sends cylinder pressures through the roof. Nothing about it is good for the engine. With high cylinder pressures comes higher crankcase pressure. Under boost the crankcase vent system can only vent pressure, there is no longer a scavenging effect with the intake pulling a slight vacuum across the motor. Combine all of that, and you get excess blowby/oil pushing into the intake - most likely the cause of the smoke you are seeing. [/QUOTE]
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SVT Shelby GT500
Intermittent white exhaust smoke in 6th gear
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