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What plugs do you 4.9 owners(past or present) prefer to use?
use AC Delco double platinum spec'ed for a '95 4.9
I currently use Bosch +4, they seem fine.
I have made 140.000 miles with original regular ACDelco plugs. Car has been running just fine. You can buy them at Adavance Auto Parts for $16 a box (8 plugs). Replacing the plugs on 4.9 is not fun at all.
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