Originally Posted by
Roo Man
Sure sounds like an air leak to me.
From a safety standpoint you should have an ignition kill switch [about $20.00] and that would solve your problem even if you don't fix the air leak.
Gary
Only $13.25 shipped to your door if you buy it from us! Sorry for the shameless plug....
http://www.rcuniverse.com/market/item.cfm?itemID=957315