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Old 10-07-2006, 12:28 AM   #1
teamslow wrx
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Default Best place to put it

Where would the best and safe place for meth injection in my 02
THanks all
PAul
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Last edited by teamslow wrx; 10-07-2006 at 09:55 AM.
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Old 10-07-2006, 06:24 AM   #2
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someone elses car
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Old 10-07-2006, 09:24 AM   #3
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Quote:
Originally Posted by hippy View Post
someone elses car
very appropriate!
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Old 10-07-2006, 09:54 AM   #4
teamslow wrx
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Quote:
Originally Posted by hippy View Post
someone elses car
And what makes you say that
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Old 10-07-2006, 05:36 PM   #5
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Cause if it's on someone elses car, it won't cause any problems on your car.
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Old 10-07-2006, 05:53 PM   #6
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I placed my tank under my SPT intake. I modified the tank that came with the kit, I cut off the left hand side ( if you are looking at the tank from the front) bolt hole flap and used the right hole to mount to my SPT heatshield
Pic


You cant tell by the picture, but there is plenty of room to get the cap off to refill.
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Old 10-08-2006, 06:10 AM   #7
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In case you guys missed it, I was just makin a joke. Here's something to think about though... Do you really think next to the enging near the uppipe and above the exhaust manifold is the best place to put an injection tank? How do you know he's asking where to mount the tank, and not a nozzle or something else? If the question is where is the best place to mount a tank and pump, I'd say almost anywhere as long as it's outside of the engine compartment. Mine are mounted in the drivers side fender, and it's kinda nice because ya don't need as much injection to reach the nozzle as with a trunk mount setup. Not that this would change performance, but you'd be able to use more of the stuff in the tank compared to a trunk mount.

peace
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Old 10-08-2006, 06:11 PM   #8
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Hippy,
Once again we have a little discussion. Like I have said in many threads, where I have my tank and pump has posed no problems with me.
My Alky/water temp stays pretty cool for being in the engine compartment. My tuner recently made a comment on how cool it stays for its location.
I do have a temp sensor that helps me monitor the temp. Since I have changed to the thicker tank it stays around 99 deg F which is pretty nice.
I guess when someone asks where to mount they are talking about the pump and the tank sine the instructions are obvious that the injector needs to go somewhere around the TB.
I have never had the system fail because of heat as some others have posted in earlier threads. Like you said it is nice to have such a short run to the injector.

Jay-R

Quote:
Originally Posted by hippy View Post
In case you guys missed it, I was just makin a joke. Here's something to think about though... Do you really think next to the enging near the uppipe and above the exhaust manifold is the best place to put an injection tank? How do you know he's asking where to mount the tank, and not a nozzle or something else? If the question is where is the best place to mount a tank and pump, I'd say almost anywhere as long as it's outside of the engine compartment. Mine are mounted in the drivers side fender, and it's kinda nice because ya don't need as much injection to reach the nozzle as with a trunk mount setup. Not that this would change performance, but you'd be able to use more of the stuff in the tank compared to a trunk mount.

peace
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Old 10-08-2006, 08:19 PM   #9
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Mine is setup to use the stock IC tank in the rear. The pump is plumbed off of that and the line runs to the front to my IC hose. The nice thing is you still get the I/C Water Spray light on when the tank is low. Pretty stealth setup except for the braided hose running to the pipe.

-Mike
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Old 10-08-2006, 10:05 PM   #10
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well i really dont wanna put it close to the engine b/c ive heard of meth boiling b/c it gets really hot in Fl . Thanks For the input guys, hippy what set up do u have??
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Old 10-08-2006, 10:31 PM   #11
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What do you mean by kind of setup?
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Old 10-09-2006, 02:07 AM   #12
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Not to threadjack but I just bought a meth kit and I was planning on putting the tank on the left hand side firewall where the brake booster and clutch cylinder used to be (I did a right hand drive conversion). Would wrapping the tank in reflective mylar-type heat wrap help keep the alcohol temps down? My car comes with a nifty little chimney for a turbo so I don't think there'd be too much of an issue with excess heat from the turbo coming from the other side of the tranny. However, the EJ20G is closed deck and the sucker does get hot. Thoughts?
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Old 10-09-2006, 04:38 PM   #13
teamslow wrx
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setup as in smc??
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Old 10-09-2006, 05:41 PM   #14
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Note the above pic. You can put it anywhere you want. That would be roughly in the same location as mine just on the oposit side.
I have had no fire ect. I use a temp guage to watch the alky/water temp and it stays under 100 f.
You will be just fine in thet place.

Jay-R
Quote:
Originally Posted by oldhat View Post
Not to threadjack but I just bought a meth kit and I was planning on putting the tank on the left hand side firewall where the brake booster and clutch cylinder used to be (I did a right hand drive conversion). Would wrapping the tank in reflective mylar-type heat wrap help keep the alcohol temps down? My car comes with a nifty little chimney for a turbo so I don't think there'd be too much of an issue with excess heat from the turbo coming from the other side of the tranny. However, the EJ20G is closed deck and the sucker does get hot. Thoughts?
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Old 10-09-2006, 05:52 PM   #15
east milford wrx
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Trunk set up.. spec c tank
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Old 10-09-2006, 11:23 PM   #16
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$175 is too much for a tank for me. They look really cool, tho.
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Old 10-09-2006, 11:53 PM   #17
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I have a trunk mount tank and even that cooks off some of the alcohol due to high temps in the summer. (you can smell the alcohol smell when you get in the car after its been parked in the sun).

Temperatures near the fire wall after the car is parked can get very high up about 200 degrees on the turbo side about 30 minutes after you park ( I melted a themometer lense that was rated to over 200 degrees)

On the drivers side (opposite turbo) temps are much lower.

I have also run a reservior in front of the battery at the very front of the engine compartment where it stays relatively cool due to air coming in as your driving. That seemed to work well too.

One key is to keep the resevoir small enough that you are not leaving the mix in there for a long time before it gets used up. The biggest tank I have run only holds a liter and that is good for 2 tanks of gas if I'm just driving around town, or a day at the drag strip if I'm flogging it hard.

The 1 liter tank cost about $5.00 at NAPA, the front of the engine compartment tank was an old empty coke bottle (ie free) -- pay your money and take your choice.

Larry
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Old 10-10-2006, 05:22 AM   #18
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1 liter is not a lot of liquid, especially for the people who run 16gph nozzles. I understand what you're sayin about less evap if the tank is used quicker, and how in many races people don't need to run injection for more then a minute, but there's something to be said about not having to fill your tank ever time you drive hard for a minute or two.

peace
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Old 10-10-2006, 09:05 AM   #19
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Quote:
but there's something to be said about not having to fill your tank ever time you drive hard for a minute or two.
Like I said in normal driving, with mulitiple WOT episodes every time I drive the car, 1 Liter lasted about 400-600 mile of driving. I basically topped it off every other tank of gas. This was with a 4 gph nozzle. One key to economical use of the injection fluid is to not trigger the injection until you need it. I monitored my boost gauge for a few days and found that it was relatively rare for me to exceed 6 -10 psi when driving. By setting the boost trigger at 10 psi, it made a major reduction in fluid use. Generally speaking you should not even need any injection at boost levels below the stock max boost of 13 - 14 psi, as you should not detonate below that level on any reasonable fuel.

That is also why it is good to use at least a 2 stage setup like a 4 gph and a 6gph wired so you get a max of 10 gph. A 2 stage setup will cut your fluid demands by about 1/3 and provide a bit of safety if one of the nozzles clog.

Larry
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