Some folks have doubted the effectiveness of Meth to boost octane spraying pre-blower. We here are the results.
First, we know spraying pre-blower basically negates the "cooling" effect of meth injection on IAT2s. It does how ever substantially cool the blower itself. I have girly soft hands, and after each dyno pull today I put my hand directly on the blower, and it was luke warm at best.
Now onto the results. Pump gas tune, 19#s of boost, and 24* of timing through a Whipple. Mods in sig. If that doesn't tell the story, I don't know what does. Rolling on to the dyno the first pull was with the meth set to start at 3.5v, and full on at 4.0 on the MAF.. The baseline tune was the same as I had on there (18* timing), AFRs were 9:1, without the meth was 11.8:1..
Meth mix was pretty much 50/50 water to meth and it was wanting to be very rich the whole time we were on the dyno..
This was all on the 650cc Jet.
Peak power wasn't as high as I hoped, but it was hot in the dyno room and power under the curve is beastly. it makes over 600whp from 5000rpm climbing all the way to redline.
Meth works. Period end of story.
First, we know spraying pre-blower basically negates the "cooling" effect of meth injection on IAT2s. It does how ever substantially cool the blower itself. I have girly soft hands, and after each dyno pull today I put my hand directly on the blower, and it was luke warm at best.
Now onto the results. Pump gas tune, 19#s of boost, and 24* of timing through a Whipple. Mods in sig. If that doesn't tell the story, I don't know what does. Rolling on to the dyno the first pull was with the meth set to start at 3.5v, and full on at 4.0 on the MAF.. The baseline tune was the same as I had on there (18* timing), AFRs were 9:1, without the meth was 11.8:1..
Meth mix was pretty much 50/50 water to meth and it was wanting to be very rich the whole time we were on the dyno..
This was all on the 650cc Jet.
Peak power wasn't as high as I hoped, but it was hot in the dyno room and power under the curve is beastly. it makes over 600whp from 5000rpm climbing all the way to redline.
Meth works. Period end of story.