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Old 05-27-2023, 07:02 PM
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68 Firebird 68 Firebird is offline
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Join Date: Apr 2001
Location: Colonia NJ USA
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Been Happy with R45S and Autolite 85's. Both are excellent and I run stock gap,
of .035 with HEI. Funny thing is probably, have enough on hand for the next few years!!
One day while checking my plugs I dropped one and it broke, always have spares!!!
Every time I need to add a part on Summit to get free shipping I choose plugs or an oil filter or air filter!

Gerry

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1968 Firebird 400, 068 cam, TH400 & 13" Continental Converter, Auburn posi with 3:08 factory gears, Cliff's Q-jet resting on a 68 factory iron intake, GM HEI and Ram Air pans and RARE Long Branch Manifolds
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Old 05-27-2023, 07:08 PM
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gtobird gtobird is offline
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Location: Green Bay, Wisconsin
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Originally Posted by 68 Firebird View Post
Been Happy with R45S and Autolite 85's. Both are excellent and I run stock gap,
of .035 with HEI. Funny thing is probably, have enough on hand for the next few years!!
One day while checking my plugs I dropped one and it broke, always have spares!!!
Every time I need to add a part on Summit to get free shipping I choose plugs or an oil filter or air filter!

Gerry
Interesting that you are running a .035 gap. I run that in my other engines but they are original point type distributors. This car has a GM HEI in it. Is that what you have? I thought you needed to run .040 to .045 in an HEI.

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68 GTO Clone (Tempest) Wagon
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