Re: AC DELCO Professional Platinum Spark Plugs
I intended on using these plugs for my small block chevy but went with traditional plugs. Don't know if they could be used on big blocks. Check out this video...
https://www.youtube.com/watch?v=OQ7Tz4-LV7Y
Hope this helps a bit,
SAL
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I currently own a 1969 Camaro SS350. Although the original drivetrain is long gone, this 4/speed car has a March '69 HC coded block with #041 heads. The transmission is an M20 Muncie #660 case and the rearend is a BS coded 12 bolt posi. Built in Van Nuys.
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