Its not needed when off boost cause there is no risk of det. You have better control of the mix with the spray as you can increase the amount been delivered as needed. Over in the states its what every second evo or subaru that is tuned is using. They have shitty fuel over there something like 91 octance so using the aquamist injection allows them to run a much hotter ignition timing making power that wouldn't be achievable without it. Same can be applied to our 95ron fuel, using these systems will allow better ignition advance of the map without det occuring.
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fat-controller
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no i bought one the same in byrnes autos ,i think he was supposed to go down to you today.but the weather was to bad.You wouldnt need to get the car mapped using water/met injection as there will be no det just have to get it setup on the dyno.i say the company who suppiles the petrol meth mixture use additives to sort out the lubraction.i personally wouldnt use raw meth in the engine even using an octane booster its to unstable in its normal form.
Most who run a aquamist kit will have a 50/50 mix of alcohol and water and in some cases they may add a small amount of water soluble oil to lubricate the delivery system. Depending on the tuner you can produce some great figures which would be unreachable with the 95+octane booster mix or E5 alone. You can lean the AFR out as the water been injected will soak the heat up inside the combustion chamber so your not relying on a rich mix to keep cylinder temps. down. A leaner mix and more ignition timing on a turbo car will make the most power but as I said it wouldn't be possible to run a leaner mix without the cooling of the water injection as you would risk melting a piston.
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alcohol isnt actually correct its ethanol the flammable stuff its found in alcoholic drinks,methonol is a wood alcohol its more expensive,ethanol and methanol have a very high octane rating,most model shops have it but its not cheap there,we use avgas in work 140 octane but cant be used in a combustion chamber we also use methanol in fuel cells so i get pretty handy,you get also get to mix wood dyes so probably a hard ware or building providers.
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say that cost a few quid pretty expensive gear.
From my bit of research, coud be wrong, but i think if you had 300 before, after meth you could gain 20 to 30bhp and same in torque, due to timing and extra boost etc etc.. it really is highly rated... and from what i have read, even if your turbo is on its max, using meth can get you bit more power, bit of a tuning cheat.. all from advancing timing and runnig leaner mixture
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yeah your right ken,due to extra boost mine was raised form 1.2 bar to 1.45 and difference is amazing,and the throttle response is great,suprised not more people are doing it by far better and safer than mapping for fuel if you can source the meth.
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they used to use it to boost octane ratings in the 80,s,but its savage stuff eats rubber and has no lubraction properties,and its not water soulable so wouldn try it. 
The power extra potential is great, but the safety aspect is far superior to booster etc etc.. Years ago i had looked into Water injection, but it was bit expensive back then, i was planning on going with a methanol mix in fuel after i put my 6spd in. i had been mapped before i put box in and turbo was getting close to its best, but had a little bit left, so plan was bo transplant, remap with 10 or 20% meth mix.. I was hoping to hit 450/450, but engine decided to die before i got a chance to do it.
Methanol is also good for spooling bigger turbos, as i beleive it creates more gas volume. Fat controller will no more about that do
Methanol is also good for spooling bigger turbos, as i beleive it creates more gas volume. Fat controller will no more about that do
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it would be hard to map for meth as nearly each barrell has different flash point standard meth should ignite at twelve degrees,but we had samples that would ignite as far as 9 degrees and its highly corrosive thats why its mixed with water,and sparyed at such a fine mist for cooling purposes,but leaving it in a tank could lead to problems without certain additives,your best beat would be purchasing a fuel cell and stainless piping.if running raw meth.it would help turbos spoil up quicker because the charge temps would be lower,most lucas and nf octane contain toulene and isooctane,but these have very low octane ratings compared to 133 in meth.