where is the power of these engine below ?
http://www.oneillbrothers.com/rccar//itemdescription/ported_30_machined.htm
http://www.oneillbrothers.com/rccar/itemdescription/reed_ported_30_chrome.htm
http://www.oneillbrothers.com/rccar//itemdescription/ported_30_machined.htm
http://www.oneillbrothers.com/rccar/itemdescription/reed_ported_30_chrome.htm
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