04-06-2009, 01:02 PM
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Canadian Gashole
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Join Date: Mar 1999
Location: Quebec, Canada,
QC
Cobra Make, Engine: Johnex 427 S/C, 351W, 472 HP, 444 lbs. torque
Posts: 2,455
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Not Ranked
Quote:
Originally Posted by zimmy
What does this mean? As long as the oil pressure is up and correct, why would a colder engine "wear out"? Actually you'll get better performance from a cooler engine. |
The engine is designed and probably built to run at 180 to 190 degrees. Operating it for an extended period of time at a temp well below 180 means that the tolerances are not correct. For example the pistons are aluminum and the cylinders are steel. The 2 expand at different rates with the change in temperature but are machined to operate at 180 not 140 degrees.
As a rule of thumb, your engine sustains more wear in the first 5 minutes of operation than it does in xxx miles (sorry, I can't remember the number of miles).
Wayne
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Last edited by Wayne Maybury; 04-06-2009 at 01:04 PM..
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