Speedy

I think what you ran into was the fact that alot of plugs have been discussed and tested and some of us like to think we have the best answer before the question is asked or really don't read the question and assume that we know what your asking or talking about. Also a perticular NGK plug has been talked about/pushed with such high regard that it seems hard to accept any other one. Yes most of the high priced plugs are just that, high priced, but there should be room for discussing others.
I am personaly going to be testing many plugs in a few days (on an engine dyno) to see what happens. I will say that some of the problems that some have talked about, that to me are not being blamed on wrong heat range or plug type, seem supicious. Part of me wants the holy NGK ZFR5N to fail miserably.
I find myself conflicted with this feeling. Much knowledge and wisdom on tap, but the delivery of such expertize, can cause some to wish for failure. Dosen't make sence but it is still a realality.

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67Cuda,FAST EZEFI,340cu,CR=10.25,RollerCam&Rocker (XR268HR,#20-810-9)(#1622-16)(EddyRPM#60779,#7576), (MSD6AL,#6425) A904, GearVendorsOD, 8 1/4,3.55:1, ClassicAir

TERRIFIC! What kinds of parameters will you be looking at?
Of course, Bren. We'd expect no less from you.

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一期一会
Too many people who were born on third base actually believe they've hit a triple.

Are you going to vary the gap on each? How many different plugs are we talking?

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The Old Goat '83 D150 225-2

AKA Ice Titan

Probably about 4 or 5 sets All NGK's. Stock plugs couple heat ranges, the ZFR5N's plus some colder ones. No high dollar plugs. Maybe some Autolites.

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67Cuda,FAST EZEFI,340cu,CR=10.25,RollerCam&Rocker (XR268HR,#20-810-9)(#1622-16)(EddyRPM#60779,#7576), (MSD6AL,#6425) A904, GearVendorsOD, 8 1/4,3.55:1, ClassicAir

Wonder if you'll be trying out Mike's spark plug modification on any of the plugs.

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一期一会
Too many people who were born on third base actually believe they've hit a triple.

Try some Autolite 66 in a old head if you got one .I want to know if I need to put in new ones or clean my old ones for this racing seasion. Thanks Ron Parker










Bagels On Juice Im On Boost

I have a post 67 head with the revised camber. Won't be modifing, milling or indexing any plugs, just simple gap setting.

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67Cuda,FAST EZEFI,340cu,CR=10.25,RollerCam&Rocker (XR268HR,#20-810-9)(#1622-16)(EddyRPM#60779,#7576), (MSD6AL,#6425) A904, GearVendorsOD, 8 1/4,3.55:1, ClassicAir

Maybe Mike would send you a set or two of his drilled "torch plugs" for you to include in the test without your having to take the time and trouble to drill them yourself.

Will you have an oscilloscope hooked up so you can keep track of secondary ignition voltage? That would add tremendously to what can be learnt from the data you're collecting.

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一期一会
Too many people who were born on third base actually believe they've hit a triple.

what ever happened with this or did i miss a thread with all the data in it?

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1976 Plymouth Feather Duster
2002 Dodge Dakota 4.7l v8