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#2
02-05-2018, 12:39 AM
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AC Delco Acniter R44 is the go to plug for Z/28 as far as I know. Many people run the hotter R45 and some have tried the colder R43 plug but they're usually not well suited to the street and tend to foul.
I got a set of R43 off eBay a couple years ago and last year got a couple sets of R44 from another member here on the forums.   
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I like solid lifter cars, big cams and cars w/ 3 pedals in them. 
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