Ugrade Camshaft - Corvette Forum
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post #1 of 2 (permalink) Old 02-07-2014, 02:45 AM Thread Starter
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Join Date: Feb 2014
Location: Crystal Lake, Illinois
Posts: 4
Ugrade Camshaft

Would like to add 10 to 15 HP to my 79 350 small block. Ecklers has a 260 High Energy Cam. New lifters, but new springs ? Do I add Zinc to oil changes ?
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post #2 of 2 (permalink) Old 08-18-2014, 12:32 PM
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Join Date: Aug 2014
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you only need the zinc for the (cam/lifter) break in then you can go back to what ever oil you prefer. however! in out shop we use a specific break in oil for this purpose. if the cam is going to go flat it normally happens in the first few minutes of start up and thats not enough time for an additive to blend with conventional oils so you really need an oil that already has the zinc in it. then of course follow the break in instructions to the tee
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