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How high do you boost with meth injection

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Old 11-09-2007, 07:13 AM
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Default How high do you boost with meth injection

I am curious about how hard others push their setup with meth injection. Here is my setup:

-total 1,100 cc/min at 150psi split to individual cylinders
-4/5 meth and 1/5 water mix
-T3/T67 stage 5
-750cc injectors

I am starting to increase the boost to see how the engine likes it. I made a few runs at about 27 psi with the meth and 93 pump. The plugs looked good and it ran pretty well but I know that is pushing it pretty hard. The injectors are at about 80% with the extra meth fuel supplemented. EGT around 1,000-1,100, IAT around 90-100, AFR around 11 - 11.5. Have lots of warnings set on my laptop for water pressure, AFR, EGT, IAT, etc so I can shut off if anything is out of range.

Anyone else have experience with using this much meth injection?
Old 11-09-2007, 08:04 AM
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Default Re: How high do you boost with meth injection (LST2)

when i was playing with EVO's they were doing 26-30psi with meth injection....
every motor reacts diff.... just keep reading your plugs etc...
Old 11-15-2007, 11:38 AM
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Default Re: How high do you boost with meth injection (S@nt0s)

Yeah, the engine seems to like it around 27-28 psi. 3/4 of the injection is to individual cylinders and I have some sparying in the intake, some before the turbo and some on the intercooler. It is amazing how much it drops the IATs. I know that some of it drop is evaporation off the sensor but I can tell that it really cools things down in the intake track b/c the IATs stay low after a hard run. I drops like 15-20* if I do a high boost run.
Old 11-15-2007, 02:35 PM
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Default Re: How high do you boost with meth injection (LST2)

I ran a gt35e turbo on 101 sunco gasoline with devils own meth injection kit.

28 psi at around 550-575 hp with a total timing of 24 degrees. My temps went from 118 down to 88 degrees when using the meth injection. All i used was walmart windshield wiper fluid..good stuff! Motor is super healthy.

Old 11-15-2007, 03:56 PM
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Default Re: How high do you boost with meth injection (iBrandon)

Water/Meth FTMFW!

I would guesstimate easy 600 whp with Water/Meth and good gas...I'm hoping

Who knows what E85 and Water/Meth together could produce
Old 11-15-2007, 06:16 PM
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Default Re: How high do you boost with meth injection (xenocron)

It is great for the street... don't have to keep filling up with race gas. Only problem is traction. I am able to hold down 28 psi runing 25.5" MH street/race bias ply in 3rd with LS gears. Have to turn boost way down for 1st and 2nd.
Old 11-16-2007, 06:06 AM
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Default Re: How high do you boost with meth injection (xenocron)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by xenocron &raquo;</TD></TR><TR><TD CLASS="quote">Who knows what E85 and Water/Meth together could produce </TD></TR></TABLE>

Thats exactley what I want to see!
Old 10-17-2008, 08:02 AM
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Default Re: How high do you boost with meth injection (BB6-213)

Ive been reading straight meth works even better. Legally The company cannot tell you to use straight meth due it its flmable and combustable characters. But if you have a stout sytem and no leaks its no dangerous than the tank of gas you sit on everyday.
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