going to start spraying meth to squeeze a little more out of the 4.8. got a devils own kit coming. should i spray before or after iat sensor? did't know if the meth/water would hurt the sensor.

anyone try running higher than 15# boost on a 2bar map? probably going to run 16-18 #.

 

Before the iat so computer sees the cold air and doesn't yank timing.

 

Before IAT sensor, assuming its not the sensor in the MAF.. If you don't spray before IAT it'll still climb high into the IAT retard table and pull timing unnecessarily. And foose04 runs a 2 bar over 15psi. References fuel pressure to calculate actual boost, iirc.

 

no MAF and planning to spray right after intercooler and move the iat closer to the tb.

 

Wouldn't put it too far away from the TB. You want it far enough away to get mixed real well with the air, but not so far that it all vaporizes. A homogenized, atomized methanol mixture is best.

 

you did what in your cup?






I gotta figure out where im goin to mount my meth nozzles also, my cold pipe from my intercooler is goin to be very very short, 8" or so.

 

lmao

 

Actually you want it 100% vaporized, but you want it to be 100% right when it reaches the intake, not any sooner. If its sooner it will be heated up by the intake tube. You want the coldest temperature when it reaches the cylinder.

heres where I put mine. Where im holding it is where it goes into the tb.

 

nozzle will be 12" away from tb and iat sensor is 6" away.
how did you manage that?

 

I said its goin to be, it isnt at the moment.
Mounting the W/A Intercooler between the water pump and electric fans. So total piping might be 20"?


Look at the last few post. you will see a setup similar.

https://www.performancetrucks.net/fo...r-like-500159/