Spark plug help

Googs

I've "GOT BOOST"!
Joined
Mar 13, 2005
Almost have my motor back to gether & I need help on what plug I should be running. Any suggestions would be appreciated. Motor specs are in my sig.
 
I run NGK R5671A-10. This is what Mike recommends with his heads. I have not problems with the plugs.

-7 (hotter) - -10 (colder)

Billy T.
gnxtc2@aol.com
 
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