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TMAXXBUSTER

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I Have A Drop In Ofna Max 21 On My Maxx And It Irritates Me So. Must Be A Pro To Tune. I Think I Will Go Back To The Original Once And Put A Better Head On It.
 
the .21 is so hard to tune that it makes the 2.5 the easier one to tune?? Holy cow that must be a pain to tune..lol
 
I'm pretty sure he has an air leak or something... Those engines are notorious for air leaks... Did you try sealing the carb throat and back plate?
 
I have one too....it is a beotch to keep tuned....and yes they airleak like crazy....mine has a leak in the carb now and I can't fix it.....needs to go back to OFNA and let them deal w/ it......
 
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