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Old 03-23-2009 | 08:45 AM
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DarZeelon
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From: Rosh-HaAyin, ISRAEL
Default RE: Engine gets more pinch as it wears in??

ORIGINAL: veedub

I never did do to much idling with the engine. I did the heat cycle break-in when the motor was new, but let it idle for that one tank. Ugh I wish I hadn't done that ... Still, the engine runs well, I just hope it didn't cause any premature wear at TDC.
VW,


Heat-cycling serves no purpose in any ABC engine.
It was very purposeful in older ('50s - early '70s) meehanite-steel engines, such as the Fox .35...

But ABC/ABN/AAC/Plasma Ceramic/Nikasil tapered-bore engines, only need to be run a bit richer than normal, to prevent localized heat-soak.


Please read [link=http://www.rcuniverse.com/forum/Tapered%2DBore_Engine_Break%2Din_%2D_Upgraded/m_1850473/tm.htm]this thread[/link] and change whatever is necessary, to use it for car engines...
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