Thread: Meth Injection Falling On Its Face

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  1. #1 Meth Injection Falling On Its Face 
    SE Level Member chrisrexmandie's Avatar
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    I finally have my AEM methanol kit installed!! I have noticed a few things already while doing the test drive. The biggest thing I noticed is that around 5-6k RPM the acceleration seems to die off and doesnt pull as hard. Im only running 11 degrees of timing and theres no KR. Oh im currently only spraying distilled water I have to hunt for washer fluid with meth in it lol. I also noticed that there was an addition 2 pounds of boost being built without changing a pulley im guessing the water is sealing the blower? anyone have some ideas on why its falling on its face?

    2004 GTP
    3.8 pulley (for now)
    front power log
    3 inch downpipe catless
    104 plugs
    180 stat
    hptuners self tuned
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  2. #2 Re: Meth Injection Falling On Its Face 
    SE Level Member chrisrexmandie's Avatar
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    also is the pump supposed to hum on standby?
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  3. #3 Re: Meth Injection Falling On Its Face 
    Killa Bee Scottydoggs's Avatar
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    damn i suppose -20 washer fluid is not a common thing in the south. thats what i used to run. or just try to find real meth. google for race fuel locations. sunoco is one seller.

    add your timing back if spraying just water, theres no fuel in water to raise the octane, so you dont need to maf tune for water. its just cooling the air charge, helps, but its not the same thing.

    the pump will run full time, if you read the instructions real good they tell you how to make it turn on, on command. you just need to push that button on the controller a few times as directed to. that drove me nuts too, so i turned it off as per the directions. did it years ago, ive got no idea how to do it off the top of my head lol

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  4. #4 Re: Meth Injection Falling On Its Face 
    SE Level Member chrisrexmandie's Avatar
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    I knew water was just going to be cooling the intake charge thats why it threw me off when it felt down on power slightly. I guess it is taking up space in the combustion chambers maybe? Im gonna try adding timing. I have ZMAX Dragway right down the road I might be able to buy meth from there.
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  5. #5 Re: Meth Injection Falling On Its Face 
    Killa Bee Scottydoggs's Avatar
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    most race tracks sell meth. best rt to go.

    id not be using the large jet for water, small or middle one would work ok i think. the large one is huge, so if using that one it could be just to much water.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  6. #6 Re: Meth Injection Falling On Its Face 
    SE Level Member chrisrexmandie's Avatar
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    its which ever jet that is installed out of the box
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  7. #7 Re: Meth Injection Falling On Its Face 
    Killa Bee Scottydoggs's Avatar
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    well its time to figure out what jet your using then. directions also tell you how to open the injector up to change the jet, and clean the screen, always good to check that every now and again.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  8. #8 Re: Meth Injection Falling On Its Face 
    SE Level Member chrisrexmandie's Avatar
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    500cc out of the box the instructions say
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  9. #9 Re: Meth Injection Falling On Its Face 
    Killa Bee Scottydoggs's Avatar
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    that might be the large one. once again its been a while for me. look at the other two, one you cant see through, aka the smallest one, the middle one you can see light through, the large one i could see your face through it lol

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  10. #10 Re: Meth Injection Falling On Its Face 
    SE Level Member chrisrexmandie's Avatar
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    looks like its the middle one lol
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  11. #11 Re: Meth Injection Falling On Its Face 
    Killa Bee Scottydoggs's Avatar
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    try the small one, whats your spray start and max settings?

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  12. #12 Re: Meth Injection Falling On Its Face 
    SE Level Member chrisrexmandie's Avatar
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    i have it starting at 6 and max at 8
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  13. #13 Re: Meth Injection Falling On Its Face 
    Killa Bee Scottydoggs's Avatar
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    what mods did you have? i forget lol

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  14. #14 Re: Meth Injection Falling On Its Face 
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    3.8 pulley just bought a 3.5
    front power log
    3 inch catless downpipe
    104 plugs
    180 stat
    fenderwell intake
    water injection
    tune
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  15. #15 Re: Meth Injection Falling On Its Face 
    Killa Bee Scottydoggs's Avatar
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    id put the timing back to stock, then use the small jet and just spray it like you are 6-8.

    theres a guy on fb who runs just water has a temp sensor in his lim, it cools things down pretty good.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  16. #16 Re: Meth Injection Falling On Its Face 
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    so I switched to the smaller jet and installed the 3.5 pulley and I also started spraying -20 washer fluid Im getting I good amount of KR specificly at lower rpm and higher load. if I put it in 2nd and floor it from 3500rpm ill get no knock my timing is down to 11 degrees idk why ill get over 4 degrees at lower rpm but not at 6000rpm any ideas?
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  17. #17 Re: Meth Injection Falling On Its Face 
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    should add i have not attempted to add timing anywhere and it is rich in spots and lean in others have not got the tune ironed out yet
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  18. #18 Re: Meth Injection Falling On Its Face 
    Killa Bee Scottydoggs's Avatar
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    now its time to maf tune. run the middle jet with the washer fluid. or even the big one. each jet will require more maf tuning.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  19. #19 Re: Meth Injection Falling On Its Face 
    SE Level Member chrisrexmandie's Avatar
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    Think I should run the middle jet now that im using washer fluid?
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  20. #20 Re: Meth Injection Falling On Its Face 
    Killa Bee Scottydoggs's Avatar
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    or the large one. your call. just pick one and stick with it after you tune it. the small one is to small for washer fluid.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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