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Old 09-07-2002, 04:04 PM   #1
GMC1967
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Join Date: Jan 2002
Location: South Deerfield, MA
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halo spark plugs

I came accross this site looking up heat ranges, and it seems too good to be true, (so i'm thinking it must be). Has anyone ever heard of these plugs before? I'm almost tempted to try some, it seems like a logical idea, but then again... Here's the link to their website:

http://www.halosparkplug.com/
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1967 GMC Custom 8ft Fleetside 292 L6, 4spd.
1973 Oldsmobile Delta 88 Convertible 455, TH 400
1969 F#$% Bronco 302, 3spd 4.11's
1958 Oldsmobile Super 88 Fiesta Wagon
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Old 09-07-2002, 08:54 PM   #2
sniper2321
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Location: S.E. Fla
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these plug were first made for formula 1 car. now they are use in nascar and other race divisions. they work very well only if you use them in the proper heat range. hope that helps
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