Dedicated to the Promotion and Preservation of American Muscle Cars, Dealer built Supercars and COPO cars. |
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#1
04-30-2005, 07:18 AM
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Re: DZ Spark Plugs?
__________________
 <span style="font-weight: bold"> (__{B}_____]]]]~~~~</span>Don't mess with old farts - age and treachery will always overcome youth and skill! Bullshit and brilliance only come with age and experience. 
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#3
04-30-2005, 08:58 AM
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Re: DZ Spark Plugs?
Yah Rob, the XR5's are a 3/8 reach gasketed plug with a 13/16 hex. A-ok for a 69 Z28. The UR5's are a .460 reach with a tapered seat and a 5/8 hex for the later stuff.
Any time there is free horse power to be had my eyes and ears really perk up! 
__________________
...................... John Brown This isn't rocket surgery.....
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