Don't get me wrong. Mine only occurs at idle. When the engine revs, you can't hear it anymore. It's not that loud, but you can hear a slight metallic sound. It's just the nature of the cam. Iwantmore, who here built their hotrod to last 100k miles?? I'd say most of the time people are always tearing down their motor and playing with it anyway. I built mine with the intention to run 2500 miles a year or less. I sure I'll be building something different in the next 5 years.

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347 Stroker/XE284H(284/296 dur, 240/246 dur @ .050), BG 650 VS Speed Demon, Ported Victor Jr intake, Jack Roush World Jr Heads (ported from 180cc to 195cc)(upgraded to 2.02/1.60 valves) 260cfm/190cfm @ .550 lift, 11:1 comp... 450-475HP