Joe 5.0
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- Feb 16, 2015
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- Bermuda Triangle
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- 2015 Mustang GT/PP
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- #1
Just as the title states -- should I upgrade my spark plugs when switching intake manifolds since they'll be easily accessible? I will be running a Lund flexfuel tune and will see E85 once in a blue moon.
Any performance benefits?
2015 GT w/ 18,000 miles on stock plugs.
Any performance benefits?
2015 GT w/ 18,000 miles on stock plugs.
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