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09-19-2003, 06:17 AM
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#3 |
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Join Date: Aug 2000
Location: Milan, OH
Posts: 2,699
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Autolite 103 or 104, depending on the heat range you like. I've also run Autolite AR474 for a short-tip, side electrode plug if you've got plug to piston clearance issues like I did. These are two heat ranges colder than a 103 though so they're best for a high compression race engine.
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Jeff Chambers 1990 Mustang GT 10.032 Seconds / 137.5 MPH 14-time Street Warrior World Record Setter CRT Performance 2001 Tropic Green Mustang GT - 12.181 / 113.2 MPH 2002 Ford F-250 Crew Cab 7.3l Power Stroke - 17.41@77.2 "There's nothing boring about a small block automatic shifting gears at 9400 rpm!" |
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