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correct plug for CMB.65?

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correct plug for CMB.65?

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Old 03-24-2010, 07:20 PM
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pcnewman
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Default correct plug for CMB.65?

Anyone know the proper plug for a CMB .65? I've been running OS 8's but an older fellow at LHS was telling me that because it's water cooled I should be running a hotter plug. He suggested an OS 3. Any how I can't rember what I was running in this motor years ago for plugs but I was running 40-60% nitro and now I'm running 30%.Any suggestions?
Old 03-24-2010, 07:58 PM
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wave waker
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Default RE: correct plug for CMB.65?


ORIGINAL: pcnewman

Anyone know the proper plug for a CMB .65? I've been running OS 8's but an older fellow at LHS was telling me that because it's water cooled I should be running a hotter plug. He suggested an OS 3. Any how I can't rember what I was running in this motor years ago for plugs but I was running 40-60% nitro and now I'm running 30%.Any suggestions?
most of the peeps that races cmb .65 uses mc9 plug with 50-60% nitro..
Old 03-24-2010, 10:10 PM
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R.J. West
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Default RE: correct plug for CMB.65?

I too been using McCoy MC9's on all of my OPS engines no problems. Give 'em a shot...
Old 03-25-2010, 06:10 PM
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Angel727
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Default RE: correct plug for CMB.65?

I had a CMB .67 and always use McCoy 9 no problems. Good luck!

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