R/C Tech Forums - View Single Post - radical 621P
Thread: radical 621P
View Single Post
Old 08-06-2007, 08:04 PM
  #5  
windellmc
Tech Master
iTrader: (4)
 
Join Date: Feb 2002
Location: Greenwood, IN
Posts: 1,062
Trader Rating: 4 (100%+)
Default
6:30 to 7:30 on the older P engines. Supposedly they made some changes at the end of last year to increase the fuel economy. I think the Radical pipe helps too.
windellmc is offline  
Reply