R/C Tech Forums - View Single Post - Buggy engines GRP, trinity/sirio, O.S., Novarossi, etc....
Old 07-14-2009, 12:12 PM
  #11  
token
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Originally Posted by cstroh
I am a little confused about which OS .21 people are referring to. On tower I see 3 different V-spec .21's
The "pro modified"
The normal V-spec .21
The worlds edition

which one is everyone referring to?
What is the OS "speed"

I like the sound of the Ninja engine. It is a V-spec with a few upgrades right?
First of all AMAINHOBBIES is better.

dont get the Promod - if you are going OS, then run the -

http://www.amainhobbies.com/product_...n-Buggy-Engine

I know the Speed is good engine - but guys he wants a buget engine. I would strongly get the regular OS-Max-21VZ-B-V-Spec-T-P with a 2060 pipe or Losi make a pipe with the same specs as the 2060 for half the price. Never used it but its there

This is what they are refering to:
the OS Speed: http://www.amainhobbies.com/product_...n-Buggy-Engine

correct about the Ninja - new piston and sleeve - OS .28 case and the speed rod = bad ass engine
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