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30GPH methanal injection, please post tune.

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Old 04-28-2015, 04:44 PM
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Default 30GPH methanal injection, please post tune.

Hey,

Im tuning my car now with the dual alky control nozzles, 15gph each. I was running a single. Just wondering if anyone out there could post there hptuners tune. Preferably 3bar, running about 20psi. Just curious to see when and where you are pulling fuel and what not.

Thanks
Alex
Old 04-28-2015, 08:17 PM
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That sounds like a lot of meth. I am running the same kit, with a 15 and 10 gph nozzle and it is plenty. A few times I have tried to run more than the engine likes, but it always loads up at the top of a run and goes too rich.
Old 04-28-2015, 08:53 PM
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I have it kicking in at around 9psi so it doesnt have to big of a range. I could always step it down a bit, the kit just came with 2 15s. Do you have a tune you could post?
Old 04-29-2015, 03:09 PM
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I verified by using the tbrake that the pump turn on is 7psi. I really don't get a wb reading change untill 10psi. Talked to Julio (awesome guy) he says that could be normal. By the time it sprays, and is registered could be 2-3psi.

Any one else see this? Do you just start pulling fuel from a couple psi above turn on?

Some one in here has to have a dual alky kit with a turbo that does his own tuning, right?
Old 04-29-2015, 10:18 PM
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I run a 15 and a 8gph on my car.. does lil fat at the turn on then comes out of it pretty damn fast.
How far from the tb are both nozzles?
Old 04-29-2015, 10:22 PM
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I have one nozzle 12 inches away and the other 18inches away if i remember correctly. Can verify tomorrow. Im thinking that could be my delay. If it comes in at 10psi thats fine, Ill just tune for that.
Old 04-29-2015, 10:32 PM
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my 15gph is post intercooler 3.5-4ft from tb and the 8gph is about 2ft from tb... 100%meth my afrs will flex about .9afr as it comes in.. turning the meth system off and doing a hit it will go high 12safr.
Old 04-29-2015, 10:42 PM
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What psi do you have the meth set to come on at and what psi does it actually start changing afr? Do you tune it yourself?
Old 04-30-2015, 05:57 AM
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I looked through the few logs I have with my current setup and really don't see signs of a delay. Make sure the control setting is not too low. My understanding is running it below 5 or 6 can cause issues like that.
Old 04-30-2015, 07:25 AM
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My gain is at 7. Initial at 7psi and turn on pressure at 12 O'clock now. Was at about 1130.

It does go fat on the top end, maybe I will at some fuel around 5200-6000. Take some our above 6000.
Old 04-30-2015, 07:27 AM
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Originally Posted by SPRAYED 01
What psi do you have the meth set to come on at and what psi does it actually start changing afr? Do you tune it yourself?
METH comes on about 6psi and the afrs change soon as the meth light comes on no delay really, Yes i tune my own car.
Old 04-30-2015, 07:28 AM
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Originally Posted by SPRAYED 01
My gain is at 7. Initial at 7psi and turn on pressure at 12 O'clock now. Was at about 1130.

It does go fat on the top end, maybe I will at some fuel around 5200-6000. Take some our above 6000.
When I was spraying too much, it would load up and go very fat at the top end.
Old 04-30-2015, 07:35 AM
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Realcanuk, do you know what your settings are?
Old 04-30-2015, 07:47 AM
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Mine is probably different than what you would need. I run the meth off my MAF, not the MAP.
Turn on is 2
Initial is 11.5
the controller is between 6 and 7.
Light comes on between 3 and 4 lbs.
Old 04-30-2015, 06:39 PM
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Gotcha, well I think Im just going to make some runs at the track at different boost levels and dial in ve table. Trying to do this on the highway is tough. I think Im in the ball park though.

Would still be cool to see some ve tables or logs.
Old 04-30-2015, 06:56 PM
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Originally Posted by SPRAYED 01
Gotcha, well I think Im just going to make some runs at the track at different boost levels and dial in ve table. Trying to do this on the highway is tough. I think Im in the ball park though.

Would still be cool to see some ve tables or logs.
Cant help with VE tables because I run my car MAF only. Here is a shot of a dyno pull. Made 1009 rwhp here. You can see the fuel is steady at about .76 lambda. It went a bit leaner at the top which I fixed after this pull.

Old 04-30-2015, 07:08 PM
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Great thanks. If any one else has a log file or ve table they can email. alexrpalmeri@gmail.com



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