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1998ta__1991rs
05-28-2010, 01:01 AM
I need to learn about meth systems, what kit is best to look at that wont break the bank? what features do i need to look for? are they wired on a hobbs switch or push button or can they be on a WOT switch? tell me anything i need to know about it......

98Camarod
05-28-2010, 03:15 AM
I've done quite a bit of research on them. The f body guys seem to love the alkycontrol kits which are stupid expensive, but I've found another company, Devils Own Methanol Injection, which is quite a bit cheaper.

They have single or dual stage. They also can work off of a MAF, which I'm sure you don't have, or off of boost. The dual stage allows to have two pressure settings for more meth to be injected at that pressure.

I haven't really found anything in the way of tuning with it. But I'm assuming that you adjust your fuel maps accordingly and add timing through the IAT table. That way if you for some reason run out of meth, you won't be adding additional timing compounding a problem.

Hopefully Lorenz can chime in on the the meth tuning portion.

ElecTech
05-28-2010, 07:11 AM
Kerry @ Jamison's has a used system, I think it's a Coolingmist set-up that has the pump and tank as one unit. It was used for about six months and is in good condition. If you are interested and he still has it, let me know. You may be able to pick it up cheap.

DolSVT00
05-28-2010, 09:10 AM
There are a couple systems out there, and by far the highest quality kit is made by alchahol injection systems.

Most of us run a Snow, and we run Maf controlled injection using a progressive ramp via Maf voltage. This is ideal for roots and twinscrew superchargers because of the linear nature of how we build boost.

Nozzle size will depend on how much boost/HP you produce and the pump needs to be at least 150psi to atomize the mixture in the nozzle.

We get 100% methanol from driggers small engines at around 3.xx$ a gallon, typical mix is 40/60 with the 60% as methanol and 40% water.

For your setup: (turbo)
I would run Boost activated ramp control and set a start point at around 8-10 psi and set the % to increase 40% every 3 psi of boost thereafter (You'll need to test it and fine tune but that should get you started.) Too much will put the spark out, not enough will lean the a/f mix out.

You're probably gonna need at least a 620ml nozzle.

If it were me I'd try and fit a 1 gallon tank somewhere (unless you still have the stock windshield washer tank, its already coated because most windshield washer fluid is 40% methanol 10% detergent 50% water anyway)

Snow kit is around 400$ new.

AIS kit is more expensive, but it comes with braided lines and AN fittings.

Those coolingmist, devils own, Kool boost systems are cheap, and the stuff you get with them is equally cheap.........

If you get a pump, nozzle and controller you can build the rest on the cheap in the plumbing section of a hardware store.

There are warning light kits you can buy that will warn you if something is not working right, but if you have a wideband, you know if its working or not, because when its spraying, your a/f is about a point richer (12.8 off the meth is 11.8 on it)

DolSVT00
05-28-2010, 09:27 AM
I think I have an adjustable boost activation switch in my shed, I'll look and let you know. You would just need a pump and nozzle then....

1998ta__1991rs
05-28-2010, 01:03 PM
I think I have an adjustable boost activation switch in my shed, I'll look and let you know. You would just need a pump and nozzle then....

cool, let me know

how much does he want for that kit jaime?

Carlrx7
05-28-2010, 01:15 PM
i was just about to post this same question here. there are some nice METH kits available for our corvettes what use the windshield washer tank.

mount the pump below the tank.

relocate the IAT if its built into the MAF (like mine is)

spray meth onto the iat sensor and tune the IAT table to add timing, just like mentioned above.

im going to use 100% meth because my stock fuel system is maxed..

-Carl

DolSVT00
05-28-2010, 01:30 PM
i was just about to post this same question here. there are some nice METH kits available for our corvettes what use the windshield washer tank.

mount the pump below the tank.

relocate the IAT if its built into the MAF (like mine is)

spray meth onto the iat sensor and tune the IAT table to add timing, just like mentioned above.

im going to use 100% meth because my stock fuel system is maxed..

-Carl
I wouldn't use 100% but thats just me. It is corosive at those levels and will eventually wreak havoc on aluminum and gaskets, thats why storage tanks are coated. Most manufacturer's of the kits will tell you specificly not to do that because it will eventually eat up the pumps and lines (all but AIS, due to the quality of their kits) They will also tell you not to use VP's M1, because out of all of the methanol producer's VP is the most corosive.

Most have better results with 50/50 40/60. The water adds octane in itself due to the natural spark supression of water alone, as a matter of fact, there's certain tests that have been done with 100% distilled water and no meth at all. Not having excess amounts of fuel are even good that way, when setting up a kit, you can actually cancel out the advantages by having too much fuel. the right mix is impairitive to taking advantages of what it actually does.

Thats why most roots and twinscrew guys say it does not work, they have too much fuel and cancel the detonation protection out.

Its easy to find out if your mix is wrong too, especially on a dyno. I have personally had too much and watched my torque go up like I had a 100 shot of nitrous on there and the HP go down like I took 10* of timing out of it.....

You wouldn't believe what methanol does to water, get some wet logs and pour some methanol on them, I dont care if its even raining... Methanol mixes with water and makes it a fuel, you'll need more than a water hose to put the fire out, as soon as you hit it with water it will spread like you threw gas on it. Thats why all gas line dryer's like HEET are 100% methanol, if you have water in your gas tank, the methanol will make it a fuel.

DolSVT00
05-28-2010, 02:13 PM
cool, let me know

how much does he want for that kit jaime?

If this is the kit he has http://www.coolingmist.com/detailmain.aspx?pid=250PSIStandardTM It looks to be a good kit, I just dont like their nozzle's or sizing options.

chrisheltra
05-28-2010, 02:28 PM
Same as the snow meth stuff,

http://www.labontemotorsports.com/store/ccp0-catshow/injectionSystems.html

ElecTech
05-28-2010, 02:49 PM
how much does he want for that kit jaime?

I called him, said he sold it already. Sorry.

That was the kit that Randy showed. It was purchased through A&A Corvettes and fits really well in the storage compartment in the back of the C5's. Seemed to work alright. We used some 40% Meth. washer fluid from Advanced in it. They also fabbed some better hold downs for it cuz they weren't feeling the bungies.

The controller would trigger of MAF or MAP depending how you configured it and also had an adjustable flow and ramp in function. There were other functions in the controller, but we never configured them.

The TT 300C we have at the shop has one also. The customer bought it and installed it before we even got to it. I won't be tuning the engine to it as it has been built to handle lots of boost anyway, but I will be using it for a little extra protection. It was put in when he had a stock bottom end.