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Old 07-12-2011, 02:06 PM   #1
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Methanol injection for NA

Devilsown have got a new kit for the NA engine'd boy's http://www.methanol-injection.co.uk/...roducts_id=115 thought it might be of some interest to you guy's.

An M3 that fitted the kit gained 14.9bhp & 16ft/lbs and a Mazda 6 3.0 V6 gained 18bhp & 11ft/lbs @the wheels
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Quote:
Originally Posted by anthonymcgrath View Post
I'd definitely chase response as opposed to out n out power - even a jump from 300-340bhp to 400bhp is a serious fright - going to 450-500 is mental ...unless your Bruce there... then power is like pringles... enough is never enough ;)
...mmmm... pringles....
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Old 07-12-2011, 08:43 PM   #2
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how do these behave on a forced induction car and whats the pros etc
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Get creative with em. Build a scarecrow in their front garden out of em or something ;)
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Old 07-12-2011, 09:05 PM   #3
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Originally Posted by kidda1975 View Post
how do these behave on a forced induction car and whats the pros etc
They need a different kit but they have been used to great effect for years.... Google it and you'll find a mountain of useful information. A very good way of improving on existing mods for very little money.
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Old 07-12-2011, 11:04 PM   #4
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methanol

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Originally Posted by kidda1975 View Post
how do these behave on a forced induction car and whats the pros etc
well worth doing keeps the knock right down on my rb25de+t

Last edited by lammy426; 08-12-2011 at 09:31 AM.
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Old 08-12-2011, 12:08 AM   #5
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Quote:
Originally Posted by Bruce-m View Post
Devilsown have got a new kit for the NA engine'd boy's http://www.methanol-injection.co.uk/...roducts_id=115 thought it might be of some interest to you guy's.

An M3 that fitted the kit gained 14.9bhp & 16ft/lbs and a Mazda 6 3.0 V6 gained 18bhp & 11ft/lbs @the wheels
is that on a stock ECU?
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Old 08-12-2011, 11:48 AM   #6
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Both were stock remapped ECU's
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Quote:
Originally Posted by anthonymcgrath View Post
I'd definitely chase response as opposed to out n out power - even a jump from 300-340bhp to 400bhp is a serious fright - going to 450-500 is mental ...unless your Bruce there... then power is like pringles... enough is never enough ;)
...mmmm... pringles....
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Old 08-12-2011, 11:55 AM   #7
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Originally Posted by Bruce-m View Post
Both were stock remapped ECU's
Those are impressive results if nothing else is changed!
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Old 08-12-2011, 12:13 PM   #8
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to be fair you normally would get those kind of figures remapping a stock N/A ECU with no meth injected at all though eh..

who wrote that site page?, rarely you see so much bullshit TBH (sorry to be negative)
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Old 08-12-2011, 01:26 PM   #9
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fact ,,water/methanol injection gives gains on any engine without a remap and as done so for decades it lowers the intake temps and raises the octane rating of the fuel ,petrol or diesel
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Old 08-12-2011, 01:53 PM   #10
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just read the page... love the 30% more oxygen = 30% more power..... :S

I'm all for methanol injection but thats a bit optimistic
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Old 08-12-2011, 02:04 PM   #11
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Quote:
Originally Posted by I like Turtles View Post
to be fair you normally would get those kind of figures remapping a stock N/A ECU with no meth injected at all though eh..

who wrote that site page?, rarely you see so much bullshit TBH (sorry to be negative)
Those gains were on top of a remap
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Quote:
Originally Posted by anthonymcgrath View Post
I'd definitely chase response as opposed to out n out power - even a jump from 300-340bhp to 400bhp is a serious fright - going to 450-500 is mental ...unless your Bruce there... then power is like pringles... enough is never enough ;)
...mmmm... pringles....
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Old 08-12-2011, 02:06 PM   #12
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Quote:
Originally Posted by Ginger Pubes View Post
just read the page... love the 30% more oxygen = 30% more power..... :S

I'm all for methanol injection but thats a bit optimistic
It does say you'd need to have dry ice or something to get them temps low enough to get 30% more oxygen, but I think it's a good explination
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Quote:
Originally Posted by anthonymcgrath View Post
I'd definitely chase response as opposed to out n out power - even a jump from 300-340bhp to 400bhp is a serious fright - going to 450-500 is mental ...unless your Bruce there... then power is like pringles... enough is never enough ;)
...mmmm... pringles....
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Old 08-12-2011, 02:19 PM   #13
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its never going to be 77 degrees inlet and never 0 degrees unless you was injecting nitrous which the person who wrote the article seems to know very little about as they call it NOS for starters (ignoring the bullshit comments about the dangers of N20)

its most likely the worst explaination i think i have seen because its an impossible example, it would never happen in the real world

if you wanted a real world example you would have the test done on a stock unmapped car in normal ambient conditions but as you know the gains would be something like -10bhp which wouldnt sell products so the bullshit storm commences in order to make a sale to people who know no better

methanol will not make more power on a stock N/A car, it will run rich and the ecu will not increase ignition advance, the car will run less power, it wont prevent detonation and it wont cool your engine either (it may cool the cylinder but thats not cooling the engine)

again im sorry to be negative
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Old 08-12-2011, 02:22 PM   #14
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Quote:
Originally Posted by lammy426 View Post
fact ,,water/methanol injection gives gains on any engine without a remap and as done so for decades it lowers the intake temps and raises the octane rating of the fuel ,petrol or diesel
no thats not a fact at all, raising octane does not make more power UNLESS you increase ignition advance, injecting H20 decreases power as does running rich (injecting meth without pulling fuel out of the map)
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Old 08-12-2011, 02:44 PM   #15
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As I understand it the lower intake temperatures is not the primary mechanism which produces more power. The water spray (vapour) in the cylinder causes increased compression as the water is uncompressable. The rise in RON is only an effect of the decrease in the likelyhood of detonation.
You'll even find an increase in steam injection, as was used in WW2 aircraft, will cause higher power and good Det prevention. Methanol is used in place of water almost entirely as it is less corrosive than water and has better lubricity.
Water injection also internally cleans the bores and piston tops as a side effect which is also good for engine life.
I researched N/A water injection a little while ago for my SR20 project (that never came to fruition).
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