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100% Meth burning up IAC Valve

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Old Feb 4, 2008 | 06:18 PM
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100% Meth burning up IAC Valve

I have seen a thread about this issue but I want to know if anyone know of a fix. if not then my only solution is to go to 50/50 or use washer fluid. I would like the extra horses but calling AMS, Buscher and everyone else for more IACV's every few months is costing me. Who's got the cure?
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Old Feb 4, 2008 | 06:24 PM
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I have not seen a problem with mine after about 30 months of running 100%.

My tech may have an issue with his though.
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Old Feb 4, 2008 | 06:33 PM
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some how I burn my up. maybe it is something else but it sucks when you here the popping noise and then you can't idle around town so your car shuts off or you have to gas it constantly.
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Old Feb 4, 2008 | 06:39 PM
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I've seen a few of those situations. I've only seen it happen to people that run 100% meth though.
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Old Feb 4, 2008 | 06:44 PM
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exactly. it is like people who use the stock block for 500whp+. some break some hold fine
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Old Feb 4, 2008 | 06:45 PM
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it is starting to look like I have to dilute. any one else have an idea?
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Old Feb 4, 2008 | 07:00 PM
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Perform a WOT pull, turn car off, and immediately remove the stepper. If methanol is present then your spraying too much. I roasted one up 2 years ago and I still get a little accumilation of methanol in the TB now, but the entire idle control system is disabled and blocked so it doesnt hurt anything. In my case a smaller nozzle would eliminate excessive saturation once the TB is closed but I enjoy the large dose at midrange and dont really want to go with a nozzzle half the size. It's a trade off.

Another thing, if your using 100% methanol the saturation is flammible, but if you run 80% there is much less chance of fire and the only problem you have is idle problems

Last edited by C6C6CH3vo; Feb 4, 2008 at 07:04 PM.
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Old Feb 4, 2008 | 07:12 PM
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thanks for the info. i thought the big nozzle might be the problem. I have been having boost cut cause of cold weather and having to change the boost. I think I might go for the blue stuff just to be safe. I am using it with a 35r soon so maybe I can reach 450Whp. Any one have a testimony with using washer fluid?
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Old Feb 4, 2008 | 11:23 PM
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i havent personally used it, but my friends say washer fluid works good and is alot nicer to the pocket book. just have to search around and see what brand has the best mix
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Old Feb 5, 2008 | 03:53 AM
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Does your alky kit have a valve between the pump and the nozzle to make sure that there isn't alky flowing off boost for a moment after you lift?
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Old Feb 5, 2008 | 03:59 AM
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what is an IAC valve?
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Old Feb 5, 2008 | 04:07 AM
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it doesn't have a check valve which also cold be a problem. I should probably look into that. it came from cooling mist here in atlanta, ga. IAC is your Idle Air Control valve. it is located on the bottom of your throttle body and has a little nipple with a spring on it. the little nipple is what burns up because the meth is corrosive to it. I will post a picture of one that I had to replace.
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Old Feb 5, 2008 | 04:20 AM
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Originally Posted by PHIL_N_THE_EVO
it doesn't have a check valve which also cold be a problem. I should probably look into that. it came from cooling mist here in atlanta, ga. IAC is your Idle Air Control valve. it is located on the bottom of your throttle body and has a little nipple with a spring on it. the little nipple is what burns up because the meth is corrosive to it. I will post a picture of one that I had to replace.
do u think this could cause a P0171 code?
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Old Feb 5, 2008 | 05:08 AM
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Originally Posted by PHIL_N_THE_EVO
I have seen a thread about this issue but I want to know if anyone know of a fix. if not then my only solution is to go to 50/50 or use washer fluid. I would like the extra horses but calling AMS, Buscher and everyone else for more IACV's every few months is costing me. Who's got the cure?
does your system have a solenoid valve on it?
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Old Feb 5, 2008 | 05:19 AM
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i have the same problem i burnt mine up also and i run 50/50 with an aquamist HFS-1 kit took a few days after installing my meth for this to happen
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