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Best spark plug?
Guys , the other day I bought a set of NGK spark plugs and installed’em on my 150 Ocean Runner, I adjusted the gap at .035 as recommended and went to the lake for a spin. The motor ran at the same top speed but it sounded a bit rough at idle.
With your vast experience with OB’s, what spark plug has performed best for you guys? Thanks Joe
__________________
Life is composed of a bunch of little nothings! Sea Ray 19.5 I/O 351 Cleveland - SOLD 1989 V20 CC 1998 150 Ocean Runner - SOLD 
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#2
04-24-2007, 11:58 PM
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Best spark plug?
Guys , the other day I bought a set of NGK spark plugs and installed’em on my 150 Ocean Runner, I adjusted the gap at .035 as recommended and went to the lake for a spin. The motor ran at the same top speed but it sounded a bit rough at idle.
With your vast experience with OB’s, what spark plug has performed best for you guys? Thanks Joe
__________________
Life is composed of a bunch of little nothings! Sea Ray 19.5 I/O 351 Cleveland - SOLD 1989 V20 CC 1998 150 Ocean Runner - SOLD
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#3
04-25-2007, 12:10 AM
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Re: Best spark plug?
It depends on the make of the engine is my opinion. JOHNNY-RUDES like there CHAMPIONS and your imports seem to run best on NGK's. MERCURY's are a toss up in my opinion.
__________________
2011 SUNDANCE B20CCR SKIFF, 2011 YAMAHA 90HP 4 STROKE, 2011 KARAVAN SINGLE AXLE ALUMINUM TRAILER, LOWRANCE ELITE-7 HDI, MINN KOTA RIPTIDE TROLLING MOTOR 2000CC HYDRA-SPORT 225+HP EVINRUDE SOLD  AND THE PINK JEEP!!!! R.I.P. http://www.wellcraftv20.com/communit...ad.php?t=11664 
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#4
04-25-2007, 12:10 AM
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Re: Best spark plug?
It depends on the make of the engine is my opinion. JOHNNY-RUDES like there CHAMPIONS and your imports seem to run best on NGK's. MERCURY's are a toss up in my opinion.
__________________
2011 SUNDANCE B20CCR SKIFF, 2011 YAMAHA 90HP 4 STROKE, 2011 KARAVAN SINGLE AXLE ALUMINUM TRAILER, LOWRANCE ELITE-7 HDI, MINN KOTA RIPTIDE TROLLING MOTOR 2000CC HYDRA-SPORT 225+HP EVINRUDE SOLD AND THE PINK JEEP!!!! R.I.P. http://www.wellcraftv20.com/communit...ad.php?t=11664
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#7
04-25-2007, 12:20 AM
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Re: Best spark plug?
i hate Champion plugs, they break easy, & rust quickly, but I haven't seen a John-Rude yet that didn't run better with them than other brands. I run NGK on everything but John-Rudes
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#8
04-25-2007, 12:20 AM
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Re: Best spark plug?
i hate Champion plugs, they break easy, & rust quickly, but I haven't seen a John-Rude yet that didn't run better with them than other brands. I run NGK on everything but John-Rudes
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#9
04-25-2007, 12:56 AM
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Re: Best spark plug?
NGK should be called NFG They are Junk plugs ran them in my race ski's crap went to Champion ran better but then went to Denso Iridium Plugs BEST Plugs i've ever run, Now I run them in everything but they are $11.99 to 21.99 each depending on app.
http://www.densoiridium.com/index.php
__________________
 1978 V20 Cuddy w/ 225 Johnson. And Several other boat's
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#10
04-25-2007, 12:56 AM
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Re: Best spark plug?
NGK should be called NFG They are Junk plugs ran them in my race ski's crap went to Champion ran better but then went to Denso Iridium Plugs BEST Plugs i've ever run, Now I run them in everything but they are $11.99 to 21.99 each depending on app.
http://www.densoiridium.com/index.php
__________________
1978 V20 Cuddy w/ 225 Johnson. And Several other boat's
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