grp 21 or os v spec? - RCCanada - Canada Radio Controlled Hobby Forum
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Nitro, Gas, Lipo chat (RC Car & Truck) All things related to Nitro, Electric & Gas motors... Tuning, experiences, setups and more.

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Old 03-03-2009, 12:57 PM   #1
love that rustler
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grp 21 or os v spec?

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hey guys wat is the better motor for racing im thinking either the v spec or the non tuned grp motor, its going in my 8 so im not sure wat to get so if u guys can give ur opinions that would help me out alot thanks
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Old 03-03-2009, 02:57 PM   #2
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it's not the's all you!!!

Both are great engines, and there are a few threads on here asking the exact same question. try a search.
. O.S. are easy to tune,have a lot of bottom end torque and scream very well, but don't last as long, Grp are hard to break in, and tune, very liner power, and great top end as well but will last a long time. on the whole, they are both just engines...and it is not the engine that makes you go fast on the track, it is how you drive the buggy.
I have both of these engines, and i like the OS better because i have yet to grasp the tuning of the GRP.
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