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#746033 - 07/11/10 07:50 PM Best spark plugs for a slant 6 225
'64 Belvedere Offline
member

Registered: 08/21/09
Posts: 21
Loc: N. Syracuse, NY
I have a '64 Belvedere with a 225 slant 6. I am slowly upgrading to a electronic ignition. What are the best kind of spark plugs to run. I have msd blaster 2 coil and msd 8.5 wires. Putting in a msd 6a next. Anyone have any thoughts or what are you running.

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#746034 - 07/12/10 12:42 PM Re: Best spark plugs for a slant 6 225 [Re: '64 Belvedere]
vynn3 Offline
mopar

Registered: 10/29/03
Posts: 411
Loc: Texas

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#746035 - 07/12/10 03:11 PM Re: Best spark plugs for a slant 6 225 [Re: vynn3]
DusterKrazy Offline
master

Registered: 03/28/05
Posts: 3426
Loc: N.Wilkesboro,NC
Quote:

NGK ZFR5N extended:

http://slantsix.org/forum/viewtopic.php?t=33900&highlight=ngk




I use these! best plugs I have used so far
_________________________
"The perfect LS swap involves a dumpster"

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#746036 - 07/12/10 06:58 PM Re: Best spark plugs for a slant 6 225 [Re: DusterKrazy]
'64 Belvedere Offline
member

Registered: 08/21/09
Posts: 21
Loc: N. Syracuse, NY
Thanks guys I will try them

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