Thread: FE light tap & rattling noise
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Old 02-01-2015, 07:06 AM
sgjohns7 sgjohns7 is offline
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Join Date: May 2014
Location: Covington, LA
Cobra Make, Engine: ERA 427 SC, Shelby 427
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I have a Shelby Engine Company 427 with a hydraulic flat tappet cam. Shelby strongly recommended Union 20W50 with ZDDP to ward against high RPM tappet wear.
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