Renegade MX4 Race Gas – PulpMX

Renegade has been within the sport for some time and now we have examined this gas some time in the past however here’s a refresher of what the Renegade MX4 (pump alternative gas) can do to your journey.

The largest benefit of MX4 over pump fuel is that our present California crappy pump fuel incorporates ethanol, an alcohol-based different gas manufactured by fermenting and distilling starch crops which were transformed to easy sugars. This isn’t good for the lifespan of valve trains, gas pumps, and prime finish gaskets on small engines like these present in filth bikes. Ethanol within the gas can go away a gummy substance that clogs gas pumps (or jets on carbureted bikes) and causes early deterioration of head gaskets and o-rings, shortening the lifetime of your engine. One other main downside is section separation; if water will get into the gas, this could trigger the water/ethanol combination to sink to the underside of the tank the place the gas pickup is. Water inside your engine may cause the gas pump to cease working and in addition could make your bike miss and sputter.

Is the on-track efficiency acquire from MX4 well worth the added price from pump? For the common man screwing round on open land, possibly not a lot. For the true fanatic who rides/races laborious and needs a dependable energy acquire? Sure, it’s, at the least to me. Renegade’s MX4 is available in an easy-to-pour 5-gallon pail or a 55-gallon drum. I ran a pale of MX4 by means of a KTM 450 SX-F, YZ450F and CRF250R and it took me lower than two laps to really feel the added throttle response in comparison with pump gas. Once I got here out of corners, whereas rolling the throttle on in second gear, every machine had extra pull down low in addition to throttle response with the MX4. In third gear, I felt a greater pull and every machine ran crisper/cleaner all through the rpm vary. I didn’t really feel an excessive amount of acquire by means of the top-end as most of what I felt was down low and up by means of the midrange. An additional benefit was that the bike was simpler to start out (this particularly is nice as a result of the YZ450F was the toughest to start out out of all of the machines I examined the gas with). Using longer motos on a sandier-type observe, I additionally observed that the bike stored constant energy. Often once I check at any such observe, the facility falls off somewhat because the bike will get sizzling with pump gas—however not so with MX4. I additionally appreciated that I didn’t have to vary my ECU mapping in both a inventory ECU’s or a beforehand mapped Vortex ECU.

In comparison with VP’s T4 I really feel like each are comparable in efficiency on the observe aside from one space. Renegade’s MX4 does give a greater low finish rpm response, however pulling energy down low feels comparable. Renegade has a barely cleaner really feel on low rpm, however I wouldn’t know that everybody would have the ability to really feel the distinction when going again to again with every gas.

For $94.00 for a 5 gallon pale of MX4, it is a bit more costly than that of T4, however there’s a small efficiency benefit. Is it price it? That should be left as much as you, but it surely’s good to know that the buyer has another choice in relation to pump alternative race gas. Try all of their fuels at


  • Octane – R+M/2            95.5
  • Motor Octane                 89
  • Analysis Octane           102
  • Particular Gravity               0.743
  • RVP                                      5
  • Oxygen                              3.6%
  • Unleaded                         Sure
  • Stoich Ratio                     14.02:1
  • Colour                                  Clear