02-26-2006, 03:36 PM
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Senior Club Cobra Member
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Join Date: Nov 1999
Location: Folsom,
CA
Cobra Make, Engine: ERA 623, 427 S/C Cobra. Ford FE 428 Cobra Jet, Ford Nascar TL 4speed - with a touch of raw; "less is more" theme
Posts: 3,887
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Not Ranked
I'm running the 15/40 Rotella now myself. Formerly, Castrol GTX 20/50. I've always stayed away from synthetic in my FE for the same reasons some old timers stay away from it in Harleys; slippery, no stick, no climbing.
Man that Rotella sure smells. You know as soon as you put it in there. The first time a ran it with Rotella, I could actually hear a slight difference in how my valvetrain sounds. Being so in tune with my solid lifter valves/sounds, with this new oil, it actually sounds a tad smoother for whatever reason.
If anyone has more current updates from cam companies or engine builders on additional findings regarding long-term use of Rotella would be appreciated. Thanks,
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Duane
Western States Cobra Group 1998-2016.
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