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-   -   RS4 3 Evo+ 70+mph? (https://www.rcuniverse.com/forum/rc-road-nitro-cars-242/11598486-rs4-3-evo-70-mph.html)

Allenden7 05-02-2014 08:08 AM

RS4 3 Evo+ 70+mph?
So i'm going to buy one of these RS4's asap- specifically the BMW M3 body version. How can i boost the speed from 50 to 70mph without over complication and how much would it cost? :)

ProRCRacer88 05-03-2014 09:07 PM

Bigger gears and get the O.S. 18 tz motor/ tuned pipe. Should cost under $300

GT100 05-05-2014 07:30 PM

+1 on what ProRacer said. I see you only have 1 post. If you're new to rc, then I would suggest baby steps. 70mph will break more parts than you'd like.

Car-Tune 05-07-2014 08:04 AM

Spur 37/and Pinion 23 all from HPI and yes and OS 18tz woth a good pipe, but seems that HPI is not making spur37 anymore.

I started to use Losi's 19/26 pinion/clutchbell with HPIs 37/43 sours and they mesh correctly.

Look at my vids.


keep looking under my youtube file, theres more speed runs and dragracing

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