For those with Methanol Injecton...I need help!
Last edited by chawkins2001; Sep 22, 2011 at 08:14 AM.
Today I did a few WOT runs with pure water and it felt great. It doesn't do the hiccups it would do with the meth and pulls very smooth to redline. It's 90* outside and my car would spin 2nd gear in every run I did. It could be placebo but we'll see...lol.
BTW- for those who say that larger injectors will give me gains in power....that's definitely not my case. It's exactly what I expected though and I just wanted to lower my duty cycles so I'm happy.
Last edited by GT-ER; Sep 21, 2011 at 10:32 AM.
Today I did a few WOT runs with pure water and it felt great. It doesn't do the hiccups it would do with the meth and pulls very smooth to redline. It's 90* outside and my car would spin 2nd gear in every run I did. It could be placebo but we'll see...lol.
The car is still rich even without the W/M 50/50 I have 550 CC injectors too.
Today I did a few WOT runs with pure water and it felt great. It doesn't do the hiccups it would do with the meth and pulls very smooth to redline. It's 90* outside and my car would spin 2nd gear in every run I did. It could be placebo but we'll see...lol.
BTW- for those who say that larger injectors will give me gains in power....that's definitely not my case. It's exactly what I expected though and I just wanted to lower my duty cycles so I'm happy.
I hate having a freaking scanner that doesn't work when I need it. It's the second time my autoenginuity scanner dies on me. At least they have excellent customer service and the first time replaced with no questions asked. Let's see what happens this time.
The Best of Mercedes & AMG
But be careful if you run that file and the meth system fails or doesnot work the added timing will toast the motor within seconds of a WOT run.
You can also just spray water to keeps the IATs in check.
Make sure you have a knock detection sensor in place when the car is on the dyno.
Food for though : Usually the methanol distribution is also not equal on all the cylinders
you are making more power everywhere and hit the same peak power.
I have the dyno of my stock car making 66x torque when we did a second gear run.the drum accelerated insanly fast and thats what the thing registered.
we cant compare our top ends this way to see drop off power.
im using 4th gear and seting up the dyno to read rpms
yours is in 3rd with no rpm signal and using roller speed
And one thing I noticed is the a/f on that graph immediately goes rich right from the start and if the meth is supposed to turn on at 10psi then it shouldn't even be spraying yet due to the boost being progressive with rpm of the motor on a supercharger. I don't know where 10psi is reached with a 180mm pulley since I don't have a scanner but if someone does know and it is actually at say 3500rpm or 4000 and not right off the bat at 2500 that would point to a problem elsewhere too.
Last edited by urbamworm; Sep 21, 2011 at 12:14 PM.
Here is a previous log I made:

While the lowest WOT reading is 4100rpm ( the 3500rpm reading is still part throttle ) it already has 13.4psi at 4100rpm. This is why our cars have such monstrous low end torque...because we can make so much boost down low ( I've seen 12psi and higher even at 2500rpm ).
from what i understand the meth tune is very similar to like a 100 oct tune... at least in the B5 s4's
fwiw,one guy i know that installed the devils own kit on his s4 with no tune said he was bogging down at WOT and stuttering so he turned it off till he could get a tune for it and once he got tuned it was fine (although that could be numerous reasons it went away, just seems related)
Last edited by gaspam; Sep 21, 2011 at 01:07 PM.
Here is a previous log I made:

While the lowest WOT reading is 4100rpm ( the 3500rpm reading is still part throttle ) it already has 13.4psi at 4100rpm. This is why our cars have such monstrous low end torque...because we can make so much boost down low ( I've seen 12psi and higher even at 2500rpm ).
When I had my whipple on my stang, I wouold see almost 10 psi at 1500 RPM.
The problem was/is with ANY positve displacement blower, is how to control timing or meth preoperly.
When I used a boost retard, it would take away timing as soon as it would see boost. Not a good thing, as you will never spark rattle below 3000rpm. Atleast you shouldn't unless you have other issues.
You guys are seeing the same thing with the meth. Instant boost, means instant dump of meth/water.
What is needed is a progressive unit based on rpm, NOT boost, as you will always have instant near constant boost. They still have NEVER made this unit for the ignition timing. And I honestly do not know if they make it for Meth

Bottom line, you need progessively MORE meth as you build rpm, and you shouldn't need any below 3000rpm.
Good luck guys
Here is a previous log I made:

While the lowest WOT reading is 4100rpm ( the 3500rpm reading is still part throttle ) it already has 13.4psi at 4100rpm. This is why our cars have such monstrous low end torque...because we can make so much boost down low ( I've seen 12psi and higher even at 2500rpm ).
If pure and simple dyno/ track numbers are what your looking for than run it lean, most of the other brand cars that use it this way usually tune for high 12 low 13's afrs for peak power.
My car is by no means refined and I use a very basic system. there's more in it for sure. I simply lack the funds and resource's to get every last bit out of it.
If pure and simple dyno/ track numbers are what your looking for than run it lean, most of the other brand cars that use it this way usually tune for high 12 low 13's afrs for peak power.
My car is by no means refined and I use a very basic system. there's more in it for sure. I simply lack the funds and resource's to get every last bit out of it.
once i removed the quick tap and soldered the map wire from kit to map sensor wire on the car the bucking and stuttering went away.
but then again different platform so i am not sure if your kit or wiring is the same
I might go this route angain but just spray mist into the blower just to lower its temps.
Is there any reason not to do this?it was the meth that ate the coating on the blower right?



).






