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Old 10-30-2017, 04:51 PM   #12
Y-Blockhead
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Join Date: Jul 2011
Location: Redondo Beach, CA
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Default Re: Which plug do you run?

Quote:
Originally Posted by duke36 View Post
The Champion #518 (W18) run nicely in h.comp. heads at .030/.032
Duke, since I installed my 5.5 head it seems to run rich with 3X (No other changes). Did you find the same? and that is why you run the W18's. I was thinking of trying the W18. Thanks
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And once again that is just my 1 worth.

Last edited by Y-Blockhead; 12-12-2017 at 11:59 PM.
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