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-   -   Sirio S21 CL7R STI vs. RB Speedline Xenon Alpha .21 (https://www.rctech.net/forum/onroad-nitro-engine-zone/315364-sirio-s21-cl7r-sti-vs-rb-speedline-xenon-alpha-21-a.html)

chromie 07-27-2009 09:21 PM
Sirio S21 CL7R STI vs. RB Speedline Xenon Alpha .21
 
Which one would you say is the better engine? :confused:

Team Kamikaze 07-27-2009 09:26 PM
Originally Posted by chromie (Post 6126742)
Which one would you say is the better engine? :confused:
They are the same engine, so there is no better engine.

Scott Fisher 07-27-2009 09:53 PM
Originally Posted by chromie (Post 6126742)
Which one would you say is the better engine? :confused:
edit


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