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eliminatethis

06-21-2006 09:33 AM

n g k plugs

what plugs would you start with ? ngk 4091 or colder 4554 or other ? the engines are 454 + .070 9.5 -1 with 8 lb boost through a super chiller edelbrock marine heads nickerson carb and cam msd ign locked out at 28 deg. with start retard hvc 2 coil dana flow torque manifolds with there vortex 5 risers

Wobble

06-21-2006 09:44 AM

Re: n g k plugs

I'd call the NGK tech support line, they are very helpful http://www.ngksparkplugs.com/techinf...000&country=US

eliminatethis

06-21-2006 10:25 AM

Re: n g k plugs

i had called chris at N G K he sug. the cooler of the two and i am leaning that way i was just looking for any other ideas my last engines were ac delco MR 43 T i never have used N G K before in marine only in our custom choppers

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