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Old 11-12-2003, 08:23 AM   #1
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Default head shims and 30% question

decided on an RB Rody V12 after all the questions i asked here. btw - thanks, everyone here seems to be very knowledgable.

my question is that i plan on running 30% in this mill - do i need to shim the head at all, and if so, how do i do it? also - since this is a modded engine, will it already be setup for higher nitro content fuel? finally - is break in any different with a modded engine, and can i use 30% for break in, or no?

i pick this engine up on friday, so quick responses would be appreciated. thanks.
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Old 11-12-2003, 08:43 AM   #2
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I do not have your answer, but you may want to check out the RB forum if you dont get your answer here.

http://www.rbproducts.com/rbww/ubb/c...ultimatebb.cgi
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Old 11-12-2003, 08:54 AM   #3
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wow! i just registered there - what a wealth of information! thanks alot for the link!
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Old 11-12-2003, 07:54 PM   #4
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Try using MC-8 medium plugs.
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Old 11-12-2003, 08:44 PM   #5
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Default Shims

The Rody v/12 comes shimed for a max of 25% nitro, just add a .010mm. shim between the head button and the engine.
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