R/C Tech Forums - Can a .12 be faster than a .18 ???

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- - Can a .12 be faster than a .18 ??? (https://www.rctech.net/forum/onroad-nitro-engine-zone/165290-can-12-faster-than-18-a.html)

markallen

06-04-2007 04:14 AM

Quote:

Originally Posted by Colt4g63 (Post 3365395)

My Sirio EVO III 5 port turbo will walk a 18TZ down on top end. I know this as i do alot of R&D on engines being a modifier. When it comes to TQ the 12 cant hang.. but top end the sirio is evil! Heres a shot of a TC3 of mine with my modified .12 sirio on it. The sirio had about 4-5 mph top speed over the 18TZ via radar gun on the same gearing.

http://www.youtube.com/watch?v=WSYSPCjL4e4

And just how much did this modded Sirio set you back?

Colt4g63

06-04-2007 02:32 PM

Quote:

Originally Posted by markallen (Post 3366183)

And just how much did this modded Sirio set you back?

260$ i believe.. And i run a mod buisness so the mods were free :) Also its legal to run in outlaw classes as its a .12 :nod:

Kemorc

06-04-2007 02:55 PM

Yep, that engine can only legally run in the open .12 class.

as per roar rules:

Quote:

For .12 ROAR/IFMAR class engines the maximum number of ports including the exhaust
port is FOUR.

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