February 24th, 2024, 08:05 PM
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Senior Member
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Join Date: Dec 2020
Location: Friesland, the Netherlands
Truck: 1965 GMC 1500, 478 V6, SM420
Posts: 430
Thanks: 8
Thanked 8 Times in 7 Posts
Rep Power: 196
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Re: correct 478 spark plug
Good luck, hope it solves your problem.
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