Sparkplug
07-26-2008, 04:08 PM
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Join Date: Mar 2007
Posts: 16
Sparkplug
I have a 2005 Mustang GT with a zex nitrous kit. I also have a diablo predator. I've been running at 125hp shot with no problems. I have ford racing sparkplugs (2 step colder). I decided to go with a 150hp shot and burnt 5 out of 8 plugs. Should I get a (3 step colder). The shop did all the timing with the diablo.
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