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I just bought the snow meth kit and was wondering where to put the nozzle.Another racer said to put it on the intake side of turbo etc.So I have a borg turbo and would just making a short pipe that goes to the intake side of turbo and shooting the meth at the blades work or is it bad to do this..
I spray mine before the tb.
You can do it pre turbo and take some heat out that way too but I believe the amount most companies give you (as in the nozzle size) is for post turbo.
Never spray pre turbo on a mostly street car. You are corroding your turbo for no reason. The math can add up to something different if you are racing, but just before the throttlebody is hard to beat 99% of the time.
Never spray pre turbo on a mostly street car. You are corroding your turbo for no reason. The math can add up to something different if you are racing, but just before the throttlebody is hard to beat 99% of the time.
This it totally false. Been doing it for oh... 10 years now on about 8 different cars. If you run no IC there is ZERO reason not to spray it all pre turbo. It up's the efficiency of the turbo itself and will give you your biggest bang for your buck. I've NEVER seen any kind of damage. Cast blades billet blades... what ever. If you have a decent atomizing nozzle, and are using it in a drag style application there is no issue with corrosion or blade damage. For meth to corrode it needs to be able to puddle. It flashes to a gas at 150*. The turbo is MUCH hotter than that and there will be no "fluid" left sitting in it. All of the meth will be vaporized on a non intercooled turbo very quickly. As an example with 2 10gph nozzles pre turbo on my twin 64mm setup I still max out the IAT at 250*+ by the 1/8th on 20lbs.
The only time ive seen turbo damage is on the peewee turbos spinning at 200k with straight water and a vac hose as the supply on diesel applications running for hours on end. Corrosion/damage is a total myth with a decent kit on big turbos in race applications in my experiance.
I do agree 100% meth pre turbo in any decent volume is a bad idea with an IC as it can condense, drop out of suspension and corrode the IC internally. Its also flammable and makes for a bomb style scenario that is more easily ignited if meth is pooled in the IC itself. I believe the OP is non-intercooled.
Last edited by Forcefed86; Jul 23, 2021 at 11:57 AM.
This it totally false. Been doing it for oh... 10 years now on about 8 different cars. If you run no IC there is ZERO reason not to spray it all pre turbo. It up's the efficiency of the turbo itself and will give you your biggest bang for your buck. I've NEVER seen any kind of damage. Cast blades billet blades... what ever. If you have a decent atomizing nozzle, and are using it in a drag style application there is no issue with corrosion or blade damage. For meth to corrode it needs to be able to puddle. It flashes to a gas at 150*. The turbo is MUCH hotter than that and there will be no "fluid" left sitting in it. All of the meth will be vaporized on a non intercooled turbo very quickly. As an example with 2 10gph nozzles pre turbo on my twin 64mm setup I still max out the IAT at 250*+ by the 1/8th on 20lbs.
The only time ive seen turbo damage is on the peewee turbos spinning at 200k with straight water and a vac hose as the supply on diesel applications running for hours on end. Corrosion/damage is a total myth with a decent kit on big turbos in race applications in my experiance.
I do agree 100% meth pre turbo in any decent volume is a bad idea with an IC as it can condense, drop out of suspension and corrode the IC internally. Its also flammable and makes for a bomb style scenario that is more easily ignited if meth is pooled in the IC itself. I believe the OP is non-intercooled.
I have always used pure meth and an intercooler, so my opinion is skewed to that particular scenario. The idea of no IC on a mostly street car seems foreign to me.
I have always used pure meth and an intercooler, so my opinion is skewed to that particular scenario. The idea of no IC on a mostly street car seems foreign to me.
I Agree, def don't want METH sloshing around in an IC. OP is non-intercooled.
Depending on power goals you'd be surprised. I was anyway. I have 2 twin turbo non intercooled LS setups now. IMO a street car can't really use huge power anyway. At least not unless its spread out slowly and progressively. My "Street cars" don't need 1000hp. (not saying that's true for all) But it comes down to your power goal and use. In my case I was able to easily hit my power goal with e85 and no intercooler.
Few plus's as well. No giant IC in front of your radiator, remove 40lbs off the nose, saves you money. Don't get me wrong, I'd make more power per pound with a good IC. I just didn't need it to hit my power goal.
The little notch I built was only 3000lbs with me in it. No cage etc. Trapped 134 on 14lbs and I was booted for no cage. So track days are done with that car. I run speed based boost now on the street up to 19lbs. It's more than I need for a street car, and pretty sketchy IMO.
The 27 ford I have now has 78/75s non intercooled. I'm not even using water/meth on it... its light enough I'll hit the cage cert before Id need an IC. Also really didn't have the space!
I Agree, def don't want METH sloshing around in an IC. OP is non-intercooled.
Depending on power goals you'd be surprised. I was anyway. I have 2 twin turbo non intercooled LS setups now. IMO a street car can't really use huge power anyway. At least not unless its spread out slowly and progressively. My "Street cars" don't need 1000hp. (not saying that's true for all) But it comes down to your power goal and use. In my case I was able to easily hit my power goal with e85 and no intercooler.
Few plus's as well. No giant IC in front of your radiator, remove 40lbs off the nose, saves you money. Don't get me wrong, I'd make more power per pound with a good IC. I just didn't need it to hit my power goal.
The little notch I built was only 3000lbs with me in it. No cage etc. Trapped 134 on 14lbs and I was booted for no cage. So track days are done with that car. I run speed based boost now on the street up to 19lbs. It's more than I need for a street car, and pretty sketchy IMO.
The 27 ford I have now has 78/75s non intercooled. I'm not even using water/meth on it... its light enough I'll hit the cage cert before Id need an IC. Also really didn't have the space!
No surprise at all. But in my personal situation, the closest e85 is about half a tank away, so I would only be able to have fun with it on the way home.
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meth injection method 
