L-72 spark plugs [Archive] - The Supercar Registry

Alss

03-01-2005, 01:04 AM

Finishing up my motor and need to put some plugs in it.What do you use..brand..number. Motor is all stock but for a small solid roller(under 600 lift). Thanks

ALbert

budnate

03-01-2005, 02:00 AM

Autolites for cars..like one guy said to me one day when I questioned them going in a Chev and he said good enough to go 9's good enough for the street...NGK's for the two stroke stuff.

Chevy454

03-01-2005, 02:43 AM

NGK's all the way...the dyno doesn't lie... http://www.yenko.net/ubbthreads/images/graemlins/burnout.gif

Kim_Howie

03-01-2005, 08:18 AM

Ran them forever they don't lie on the track!! http://www.yenko.net/ubbthreads/images/graemlins/flag.gif

Alss

03-03-2005, 03:27 AM

Alright then NGK's it is..what number do you guys use? Is it a crossed over stock one or something else. Thanks again.

Albert

Chevy454

03-03-2005, 04:20 AM

In our 840s we run plug R5671A-7...

Alss

03-03-2005, 05:01 AM

Thanks

ALbert