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12-07-2012, 07:30 PM
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#3 |
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Veteran Member
Join Date: Mar 2005
Location: Sand Springs, OK
Posts: 8,132
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Re: Autolite double platinum plugs? Also indexing?
Artie, only time I ever saw any reason to indexing plugs was to prevent knocking the ends off. I have played with indexing with the car I have now and saw nothing. But, I don't have Hemi chambers. Might make a difference.
I would use plain old non-platinum Autolite plugs. I would want my plugs at least .050" off the pistons at TDC. Closer may require more advance. Something to play with.
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Ed Wright 4156 SS/JA |
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