View Full Version : Ideal piston to wall clearance?
Pulled a shaft rocker stud out of a head two weekends ago and since it is all apart, I am looking everything over.
What is the consensuses for piston to wall clearance with closed cooling, coolant temps ranging around 160-180?
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cubicinches
08-01-2009, 10:37 PM
What piston manufacturer, material, bore size?
MERPerformance
08-01-2009, 11:36 PM
Pulled a shaft rocker stud out of a head two weekends ago and since it is all apart, I am looking everything over.
What is the consensuses for piston to wall clearance with closed cooling, coolant temps ranging around 160-180?
.
Follow piston specs. from manufacturer, you have plenty of heat for normal clearances. You don't have to worry about scuffing the pistons from the block not expanding at a normal rate. Running a thermostat you can keep from running more clearance, piston to wall.
What piston manufacturer, material, bore size?
Diamond
Forged
4.625" bore
At least that is what I would switch to. Now I have Venolia.
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Follow piston specs. from manufacturer, you have plenty of heat for normal clearances. You don't have to worry about scuffing the pistons from the block not expanding at a normal rate. Running a thermostat you can keep from running more clearance, piston to wall.
Thanks :USA:
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