Aquamist HFS-3 and MINI Tank GB

[ThumperGP]

(08-31-2011 01:33 PM)silhouette88 Wrote:  Is it also the water that gives the nice side-effect of "steam cleaning" the piston crown / intake valves? Or would you get that anyway with straight methanol?

Also, when running higher concentrations of meth, at what point would running too rich come into play? Or is the ECU smart enough to not let that happen?

Methanol is a pretty good solvent...so I think it does a lot of the cleaning.

Not sure, it all depends on how far the ECU can adjust fuel trims. I haven't datalogged above 75/25. Next tank I can do another log with 100% and see what AFR's do. Jet size and location plays a role here too....

(08-31-2011 01:35 PM)Mutant_Tractor Wrote:  Doesn't it depend how it is tuned?

If you get meth in and have it tuned to that meth concentration then you shouldn't have any problems (unless you run out)...

Yes, if you are tuned for a specific mixture, you are going to get the best results from that mixture and that mixture only. I'm not tuned for meth, but the adapatability in the R56 ECU is proving to be interesting. I've only played with it from 50% meth and up, have not gone the other direction at all...not sure how much it'd adjust to higher water concentrations.

Some people swear by 100% meth, some by 100% water. I know a few Evo guys that love 100% water. Granted you definitely have to be tuned for pure water and from what I know, its not as easy to tune 100% water as it is 100% meth. Water will work best in a high boost, high compression application with a strong iginition system. Both have their specific advantages and useful properties, which is why running around 50/50 will give you a wide range of benefits