AC Delco

97montez34

Join Date: Jun 2004

Posts: 22
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#1

AC Delco

12-02-2004, 07:15 PM

colder plugs... what r the part numbers for the colder range spark plugs?

\'97 Monte Carlo Z34- Milzy Motorsports 2\" Headers, 2.5\" Mandrel Exhuast, Ported & Polished Upper & Lower Intakes, Ported Intermediate Arm, NGK TR55\'s, DHP PCM, 180* T-stat, EGR Delete, GM STB, GMPP Trailing Arms, & Coldz CAI w/ K&N cone.
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Gemmer

Join Date: Oct 2003

Posts: 240
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#2

12-03-2004, 12:22 AM

rapidfire 8s are 1 colder than 12 I believe.
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