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Water Methanol Kits

This is a discussion on Water Methanol Kits within the Focus RS Performance forums, part of the Focus RS Garage category; Originally Posted by sixman Every intercooler will heatsoak. Most come from the same factories and really the only difference in the end tanks. All you ...

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Thread: Water Methanol Kits

  1. #21
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    Quote Originally Posted by sixman View Post
    Every intercooler will heatsoak. Most come from the same factories and really the only difference in the end tanks.
    All you need is an intercooler that will flow enough for your intended power level. No intercooler will cool like wmi, I mean you can get significantly lower iat thsn ambient. If your in a hot environment it makes a massive difference - forgetting engine and power benefits.
    If you have loads of cash buy a flashy ic and wmi. If your on a budget consider where the benefit really lies. Either way you will need a tune to match.
    The stock one is incredibly thin, and will heatsoak after a couple pulls. The aftermarket ones are adding 20lbs of mass, plus more surface area to cool, so it would take a lot more heat/time to get that thing soaked. I'm not disputing that meth helps, just that combining it with an IC would get the IAT down even lower than just meth itself, especially in hot areas.
    2017 NB RS1
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    I dont think you get it. WMI makes a heat soaked IC irrelavant, you still get iat significantly lower than ambient. If you monitor/log IATs you will be surprised by how little the difference is between ICs compared to what wmi provides. I have a video where on a 45F ambient day my IAT goes from 60F to 25F. The systems are cheap, robust with failsafes. You can also buy premixed WM botlles these days, its so easy to use. Factor in 10-20% more power and better "health" for your engine.

    As I said if you have the money and want a bigger IC as well - go for it. I used to think like that, then learnt it was not money well spent.

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    RS Senior Member stvjeep's Avatar
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    I only have access to 91 octane. Based on that, Alex at Stratified said I needed an Intercooler and wastegate actuator along with the straight meth.... my goal is a safe 400 whp. I'm thinking of going for just the straight meth. Add colder plugs along with a high flow filter and induction elbow just too see what I can get.

    Also thinking of adding aux fuel / port injection to ensure the intake valves get scrubbed clean as some say Meth alone won't do it....

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    Quote Originally Posted by stvjeep View Post
    I only have access to 91 octane. Based on that, Alex at Stratified said I needed an Intercooler and wastegate actuator along with the straight meth.... my goal is a safe 400 whp. I'm thinking of going for just the straight meth. Add colder plugs along with a high flow filter and induction elbow just too see what I can get.

    Also thinking of adding aux fuel / port injection to ensure the intake valves get scrubbed clean as some say Meth alone won't do it....
    stock engine?

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    RS Senior Member stvjeep's Avatar
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    Quote Originally Posted by mexrs View Post
    Quote Originally Posted by stvjeep View Post
    I only have access to 91 octane. Based on that, Alex at Stratified said I needed an Intercooler and wastegate actuator along with the straight meth.... my goal is a safe 400 whp. I'm thinking of going for just the straight meth. Add colder plugs along with a high flow filter and induction elbow just too see what I can get.

    Also thinking of adding aux fuel / port injection to ensure the intake valves get scrubbed clean as some say Meth alone won't do it....
    stock engine?
    Yup. Stock engine. I'd be happy with 380 wtq.

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    RS Member bongie's Avatar
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    I'm pretty new to modding cars and have read quite a lot in the last months as I'm thinking how to increase power on my rs. Seems like WMI is the way to go. I'm not really looking for huge numbers tbh - would be more than happy with 350-375 whp and I really like the benefit of cleaning all the carbon built up in the engine.

    Can you guys please clarify for me:
    - what happens to all the carbon that gets cleaned up by the vapour? It goes through the exhaust? Won't that clog up smth down the line?
    - isn't the stress on our engines too big to support the increased numbers? I know mountune recommends forging with m400 (probably overkill) which has less power than what I would get with WMI.
    - are you running a stock clutch? Should I think about upgrading before I go for WMI?
    - someone with track experience with WMI setup - is the RDU overheating more?

    Sorry for spamming with noob questions - I went through all the threads for WMI but didn't find clear answers.

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    Quote Originally Posted by bongie View Post
    I'm pretty new to modding cars and have read quite a lot in the last months as I'm thinking how to increase power on my rs. Seems like WMI is the way to go. I'm not really looking for huge numbers tbh - would be more than happy with 350-375 whp and I really like the benefit of cleaning all the carbon built up in the engine.

    Can you guys please clarify for me:
    - what happens to all the carbon that gets cleaned up by the vapour? It goes through the exhaust? Won't that clog up smth down the line?
    - isn't the stress on our engines too big to support the increased numbers? I know mountune recommends forging with m400 (probably overkill) which has less power than what I would get with WMI.
    - are you running a stock clutch? Should I think about upgrading before I go for WMI?
    - someone with track experience with WMI setup - is the RDU overheating more?

    Sorry for spamming with noob questions - I went through all the threads for WMI but didn't find clear answers.
    For item 1, the meth will act as a solvent to clean the backs of the valves, same way non-DI engines do with the A/F mixture. That should all get burned up during combustion.

    For item 2, that would still be up to the tune. You don't have to go for max power with meth, you can just use it as safetey measure to decrease IAT and increase octane. This is especially helpful for people in hot climates, or from states like taxifornia that have max 91 octane available.
    bongie likes this.
    2017 NB RS1
    Engine: Radium CC's & Plate, Boomba BPV, Mountune SSC & Filter, SteamSpeed IC & Piping
    Suspension: Mountune springs, Massive Rear Camber/Toe Arms, Whiteline Rear SB & EL, Powerflex Front LCA Bushings, FA 500's (Raised 40mm by FA)
    Brakes: Rotora 2pc Rotors (15lbs), Mountune Street Pads, RBF 600
    Shoes: Volk CE28n 18x9 +38 (16lbs), 4S 265x35r18's
    Body: Xpel front Wrap, Satin black Roof / Mirrors, Boomba SS Lever, SS Arm, solid bushings
    T.B.I.: Shorai Battery, Turbo Blanket

  9. #28
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    I went WMI for reliability reasons. Living in a hot climate I was keen to reduce cylinder temps safely and boost octane (and more timing pulled in) with the added benefit of the back of the valves being cleaned.

    I reckon it’s the most underrated mod out there.


    Sent from my iPhone using Tapatalk

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    RS Senior Member stvjeep's Avatar
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    Quote Originally Posted by Warriormonx View Post
    I went WMI for reliability reasons. Living in a hot climate I was keen to reduce cylinder temps safely and boost octane (and more timing pulled in) with the added benefit of the back of the valves being cleaned.

    I reckon it’s the most underrated mod out there.


    Sent from my iPhone using Tapatalk
    You running straight meth or a mix?
    Warriormonx likes this.

  11. #30
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    Quote Originally Posted by stvjeep View Post
    I only have access to 91 octane. Based on that, Alex at Stratified said I needed an Intercooler and wastegate actuator along with the straight meth.... my goal is a safe 400 whp. I'm thinking of going for just the straight meth. Add colder plugs along with a high flow filter and induction elbow just too see what I can get.

    Also thinking of adding aux fuel / port injection to ensure the intake valves get scrubbed clean as some say Meth alone won't do it....
    That’s not true at all. Neither is needed I’m at 500whp and I did not need either. Especially ic the water meth will take care of that.
    I heard all the same stuff on my f-150 and I did neither and just water meth. Cheaper and never had any issues after 200,000 miles.

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