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Old 11-21-2005, 06:34 PM   #6
Scooby Specialist
Member#: 8050
Join Date: Jul 2001
Chapter/Region: W. Canada
Location: Bugeye EJ207 - T3T04S - RIP
2004 FXTi - Stage 2


When I got my ver8 longblock from Japanstar it had range 8 irridiums in it. I never had any knock until a fuel tuning session inadvertently induced massive lean knock at 6300 RPM. Never had any knock since. Although my timing is certainly on the conservative side for a spec-C engine. This behavior didn't change AT ALL when I went to range 7 coppers (because I'm still just running the VF36).

I find it curious that the previous Japanese owner was running range 8 plugs. Maybe they know something we're just starting to clue in on?
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