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Turbo education and planning

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Old 09-09-2018, 08:45 AM
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Originally Posted by MrHorsepowerLSx
I run an ALKYCONTROL meth kit, and straight VPRacing M1. It’s like $30 for 5 gallon pail. It’s function is multipurpose.

Cool the intake charge
Remove heat from the combustion chamber
Provide a higher octane in the cylinder (meth should not be used as a compensation for fuel) it is used in conjunction with fuel.
Help resistant knock and detonation


I have a little more then a gallon capacity, actually the washer fluid reservoir is my meth tank. So depending on how much boost I hit will determine how much meth to spray. Also you don’t drive in boost 24/7 so depending on your driving habits will determine how often you need to refill the reservoir
Thank you, this was pretty informative.
Old 09-09-2018, 08:50 AM
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Can someone address the area ratio question?

Also Tig's question about hot side tubing is a good one. I know a little bit about the effects of pipe diameter on flow rate (velocity) vs pressure, at least in pump and piping systems (I'm a power plant operator). Though how that fluid dynamics theory applies to hot exhaust gas movement and turbo function, I'm not sure.
Old 09-09-2018, 09:00 AM
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Originally Posted by Choda
Trick turbo stage 2 kit.
This was actually helpful as well: The Trick Turbo site explains what water/meth injection does in the product description.

One thing it doesn't get into is the ratio of water/meth.

Still learning...
Old 09-10-2018, 11:50 AM
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Proper “ratio” is 51/49 water/meth
Really as close to 50/50 as you can get. But I prefer straight meth. It works for my combo and I haven’t messed with other ratios lol

Last edited by MrHorsepowerLSx; 09-12-2018 at 10:04 AM.
Old 09-10-2018, 12:13 PM
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Originally Posted by Northeastconfederate
Can someone address the area ratio question?

Also Tig's question about hot side tubing is a good one. I know a little bit about the effects of pipe diameter on flow rate (velocity) vs pressure, at least in pump and piping systems (I'm a power plant operator). Though how that fluid dynamics theory applies to hot exhaust gas movement and turbo function, I'm not sure.
Do some searching here and on other forums. The amount of information out there is enough to keep you busy for a long time. There are tons of differing opinions and differing theories.
Old 09-10-2018, 12:47 PM
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The best ratio is 100% meth. The only time a mixture is recommended is when tank volume is a concern since your overall usage will be less when used with water. Also you cannot ship more than 50% meth without it being hazmat, which is why you dont see mixtures higher than that offered. Best bet is to get a 5 gallon bucket from your local speed shop and refill it with 100% when needed.
Old 09-10-2018, 01:13 PM
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On the meth, you can buy it local. New Egypt speedway sells it. Just call and see when the pump is open and they'll pump as much or as little as you want.
Old 09-10-2018, 06:45 PM
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Originally Posted by wretched73
On the meth, you can buy it local. New Egypt speedway sells it. Just call and see when the pump is open and they'll pump as much or as little as you want.
No ****? I live about 4 miles from the Speedway.....
Old 09-11-2018, 05:51 AM
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You are over thinking the hot side. 2.5 inch cross over. 3 inch dp
Old 09-15-2018, 06:23 AM
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I hope this thread continues to serve its purpose. I'm going to toss another question out there:

What about vacuum for the brake booster? Is this a non-issue because the motor still makes vacuum when not in boost, and the booster's check valve prevents loss of vacuum? I've seen some talk about switching to hydro-boost, but am not interested in doing that at all...


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