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Old October 20th, 2016, 09:54 PM
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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
That's why I didn't like the idea of stretching out the gaps on non HEI plugs because you don't really get a true gap at even .055 maxed out, so I did some research and found the correct plugs
I remember maxing out the NGK's on my 292. Made the idle bad...started popping and idling rougher. I still need to open the NGK's on mine from .035 to .045. lol Gonna try that and then get those AC's.
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1964 GMC 1500 305E/sm420 4 barrel intake mod and dual exhaust.
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1964 Chevy C20 292/SM420
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