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Old October 12th, 2016, 02:04 AM
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Join Date: Mar 2015
Location: Cave Junction, Oregon
Truck: 1964 GMC 1500 LWB Wideside 305E V6.
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Default Re: New Spark Setup! Any tips on Installation?

Quote:
Originally Posted by bigblockv6 View Post
Actually I have the plugs that are gapped at .060 which was common to HEI applications. It's AC R44XLS6 and works fine in my 478 with HEI. if AC isn't your choice of plug I'm sure it can be cross linked to other brands though I'm not too fond on Champion spark plugs The AC plug I'm using seems to be the correct heat range for the 351E
My bad, I meant .060. haha
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1964 GMC 1500 305E/sm420 4 barrel intake mod and dual exhaust.
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