#21
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Re: How much power should i be making once meth injected??
ok well basically weather i use C16 or E85 or water/meth im going to have to add more boost and timing to see any hp gains
so my initial question was roughly how much gains should i see?? say with my current setup im on 270awkw at 20psi at 7800rpm and if on water/meth i went 28psi @ 9000rpm what would be my rough gains if i followed richardL's guidlines of: 100% water..... run 10-15% of water to fuel (300cc to 450cc/min) M50:W50 ....... 15-20% to fuel (450-600cc/min) M100% ....... 20-25% to fuel: 600cc to 750cc/min what are the downsides to running 100% meth injection? is it corrosive? |
#22
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Re: How much power should i be making once meth injected??
I have run 100% Meth (in the region of 2l/min)for a while now with no downsides. Main problem for me was tuning the transition into meth as I have a basic on/off system (have got it running seamlessly now but it took some time..).
Without meth on UK fuel I could only run 12psi without having to pull loads of ignition timing and kill the power/ response of the engine. With the Meth active I can run anything the turbos can chuck out with 0 knock counts and more timing!, wastegates are blowing open at 22psi but I`ve seen 26+ with the front wired shut. Even at 12psi I can feel a difference between straight petrol and Methanol (I believe as well as cooling the charge Methanol also supplies extra oxygen to the combustion chamber). If you run a big quantity of Methanol you need very good failsafes incase of an injection fault, I have a few. 1. Boost controller will shut down if the AFR goes leaner than 11.8:1 (petrol afr). 2. Boost controller is powered from the Meth pump live, if there is a power problem to the pump the car won`t boost.. 3. The fuel map transition is activated by the Meth pump live, no pump activation means no main fuel enleanment. 4. Low Meth level in tank will shut down pump/ boost controller and 2nd fuel map. Works very well for me, will have to get my car on a dyno but the difference is night and day between straight petrol and meth injection. Car is a 3l Twin Turbo Mitsubishi GTO (hybrid TD04-16g`s).
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VW Mk2 Golf 16VG60 - Mitsubishi GTO TT |
#23
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Re: How much power should i be making once meth injected??
Quote:
Whilst Ive no power figures to give..Ive ran a couple of Subarus with 100% meth injection, and fairly large jets. Was easy to pick up 5mph or so at the end of the 1/4 after re-tuning, and were using a little over 30psi boost on 97RON pump fuel. Turbo's used on those cars were approx T61 and T63mm, so slightly smaller than your GT35. It was a few years ago, but I think highest trap was around 137mph on bog standard road tyres, full weight road car. As for the OP using E85 as a fuel...from what you say, your fuel system will have no chance of supporting it. In fact your existing 750cc injectors are probably already being pushed hard. |
#24
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Re: How much power should i be making once meth injected??
Nitromethane: yes you can but you have use a separate injectionsystem because all the WMI system will be able to cope with nitromethane - all rubber/plastic wetting parts will parish very quickly.
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Richard L aquamist technical support |
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