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  #1  
Old 04-04-2022, 09:51 PM
RBAILEY RBAILEY is offline
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Default Spark plug recommendation
What spark plugs do you guys recommend I'm running Kauffman High ports with 74cc Chambers. Just need a part number so I can go down and pick up some plugs. Just need a baseline plug to start with...I plan on racing end of this month...temps will likely be in the high 80s liw 90s. It's my first set of aluminum heads and so I just thought I'd ask you guys what you running for spark plugs on Kaufman High ports.

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Old 04-05-2022, 12:17 AM
Dragncar Dragncar is offline
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Here are a few.

https://forums.maxperformanceinc.com...d.php?t=851232

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  #3  
Old 04-05-2022, 09:13 AM
bluegoat65 bluegoat65 is offline
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NGK R5672A-8 Projected tip. NA motor.

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Old 04-05-2022, 02:42 PM
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421 Bird 421 Bird is offline
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I have a set of the 56cc High Ports on my engine. Kauffman built the engine and they came with the NGK 5671A-9 plugs. I have continued using the same plugs.

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Old 04-06-2022, 12:18 PM
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Dave Polichena Dave Polichena is offline
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I run the -9 plugs as well

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  #6  
Old 04-07-2022, 01:55 PM
RBAILEY RBAILEY is offline
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Thanks everyone .. I went with the NGK R5672A-8

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