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Old 03-23-2006, 06:58 AM
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Snakebit Snakebit is offline
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Join Date: Nov 1999
Location: Salem,, NJ
Cobra Make, Engine: ERA 289 FIA #2100 Rio Red Wimbledon White Stripes 302 stroked to 331 Webers Richmond Road Race 5 speed
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I called Comp Cams to see what oil they recommended for flat tappet cams after break in. The tech rep said the break in is the most critical part. Once the cam is broke in you can use any premium oil you choose.

I searched Bob The Oil Guy

Zinc

Mobil1 .858
Brad Penn .861
Shell Rotella 1.218
RedLine 1.350
Chevron Delo 1.362
Mobil MX4T 1.802
Royal Purple 1.901
STP oil treatment 1.959

I contacted Mobil Oil about using Mobil MX4T Motorcycle oil in a high performance engine using a flat tappet cam. They said the Mobil MX4T would be an excellent choice due to the high zinc content.
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