If you have a flat tappet cam, then you should be using an iron gear. Steel gears and brass gears are for steel roller cams only. If you use a brass gear on a flat tappet cam, you'll kill it in..well.. the time you killed yours
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Sal Mennella
CSX 4241, KMP 357 - sold and missed, CSX 4819 - cancelled, FFR 5132 - sold
See my car at CSXinfo.net here >> CSX 4241