07-04-2005, 03:14 PM
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CC Member
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Join Date: Oct 2000
Location: Crystal Lake,
IL
Cobra Make, Engine: Everett-Morrison, 434 cid
Posts: 977
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Not Ranked
Quote:
Originally posted by Bernica
Guys,
For your FE's, especially running solid / flat tappets, see Crower's comments (literally) below. They're not big on synthetics:
Use of Synthetic Oils
Crower does not recommend the use of synthetic motor oils in any racing applications, particularly hydraulic and flat tappet camshafts. The minimum gains in horsepower are offset by the excessive wear to cam and lifter surfaces. Crower recommends Kendall GT-1 (20W50) Petroleum based motor oil in all high performance applications. If your manual suggests running synthetic oil, then do so. We have found, however, that the benefits do not outweigh the costs.
© 2005 Crower Cams & Equipment Co., Inc.
Phone: 619-661-6477 · Fax: 619-661-6466
Regards,
-Michael
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Crower was big on Kendall GT-1 20w-50 Racing Oil until it was reformulated a couple of years ago and doesn't contain the same additive package.
I know Crower's site still recommends Kendall but, if you talk to Dave Crower, he's been saying to use the Schaeffer's Supreme 7000 20w-50 Racing oil. But, yes Crower is dead set against synthetics.
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