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Help with bov, iat sensor and Methanol nozzle placement

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Old 04-20-2010, 01:12 PM
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Default Help with bov, iat sensor and Methanol nozzle placement

I have this piece but was wondering was it ok to tap this pipe with the iat and meth nozzle? TB>MAF>IAT/bov>meth?
Old 04-20-2010, 01:22 PM
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blow off should be BEFORE the maf (i.e. between turbo and maf)
IAT should be closest to the TB
meth should be between MAF and IAT with a straight shot to the TB, so not on a curve or before a curve.
Old 04-20-2010, 01:57 PM
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I am running MAFless, and my setup goes meth (actually running 100% water), BOV, IAT.
I have a couple curves in my setup prior to the TB...still works great. Also, the further your water/meth nozzle from the IAC, the more chance it has to evaporate and cool the charge that the ECM is seeing. If not, you may have a nice and cool charge in the cylinders, but the ECM will pull timing and add fuel because the IAC is artificially high.
Old 04-20-2010, 02:07 PM
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Mine personally is BOV right after outlet of IC then Meth then IAT I have about 8" between meth and IAT But you will want the MAF BEFORE Meth. The Meth could skew the MAF if you sprayed meth through the MAF
Old 04-20-2010, 03:46 PM
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also, depending what kind of BOV you are running (if it has a rubber diapragm in it), the meth will dry it out as well, so I always recommend running meth AFTER the BOV.
Old 04-20-2010, 05:02 PM
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I have the adapter in the top pic connected to the intake, I don't know why I didn't take a pic. So I should plumb the bov adapter with meth nozzle then the iat sensor?
Old 04-20-2010, 05:27 PM
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If that pipe in the first post is connecting to the end of this last pic I would say Meth and IAT need to be between MAF and TB.

Should be TB-IAT-Meth-MAF-BOV

As stated before I would not spray Meth through the MAF it can skew the readings
Old 04-20-2010, 05:30 PM
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Hopefully this setup gets me into 2bar status and I can ditch the maf.
Old 04-20-2010, 05:44 PM
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just ditch the MAF and go 2 bar anyway. I personally think 2 bar is easier to 2 and work with. Plus you can max out the MAF in no time with FI
Old 04-20-2010, 06:45 PM
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Old 04-20-2010, 07:22 PM
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should I replace the maf with this
Old 04-20-2010, 08:19 PM
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I would put the Meth in the BOV pipe just past the BOV then get a 4" long 3.5" diameter and put a bung on if for the IAT and put that in place of the MAF
Old 04-21-2010, 08:13 PM
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the pipe in the pic is pre threaded, can I just screw in two meth nozzles and an iat sensor? Ditch the maf all together and have the pre threaded pipe welded to the bov pipe
Old 02-20-2013, 11:15 PM
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i know a little old but wanted to know what about MAF with the IAT sensor built into it? im setting my system up and got a AEM water/meth kit. im running my BOV/MAF simular to "pdasterly"
Old 02-28-2013, 11:24 PM
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found my answer. gonn ahave to hold off on the watermeth injection until i get it SD tuned.



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