Which brand of spark plugs are best
10-03-13, 09:51 PM
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Which brand of spark plugs are best
I have a 97 LS400. Which spark plug brand is best for a Lexus? I'm looking for performance and increase in gas mileage.
Last edited by Hank357; 10-03-13 at 09:58 PM.
10-03-13, 10:11 PM
#2
Lexus Champion
Denso or NGK - might lean very very slightly to Denso - but it is practically a coin-toss
I wouldn't deviate from those two brands on an LS400
Copper core is great and inexpensive, or use their Iridiums if you don't want to fool with plugs for 100K miles, but doing plugs on the LS400 is awfully easy, so the plug life is a pretty minor consideration.
PS - never really had much luck with any Platinum plugs, regardless of maker.
I wouldn't deviate from those two brands on an LS400
Copper core is great and inexpensive, or use their Iridiums if you don't want to fool with plugs for 100K miles, but doing plugs on the LS400 is awfully easy, so the plug life is a pretty minor consideration.
PS - never really had much luck with any Platinum plugs, regardless of maker.
Last edited by LScowboyLS; 10-03-13 at 10:18 PM.
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Dinocards (11-25-19)
10-04-13, 08:20 PM
#5
Denso or NGK - might lean very very slightly to Denso - but it is practically a coin-toss
I wouldn't deviate from those two brands on an LS400
Copper core is great and inexpensive, or use their Iridiums if you don't want to fool with plugs for 100K miles, but doing plugs on the LS400 is awfully easy, so the plug life is a pretty minor consideration.
PS - never really had much luck with any Platinum plugs, regardless of maker.
I wouldn't deviate from those two brands on an LS400
Copper core is great and inexpensive, or use their Iridiums if you don't want to fool with plugs for 100K miles, but doing plugs on the LS400 is awfully easy, so the plug life is a pretty minor consideration.
PS - never really had much luck with any Platinum plugs, regardless of maker.
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