Volkswagen Golf Methanol Injection for 1.8T
Methanol injection is one of the latest trends for adding instant horsepower for relatively low cost to your VDub. Adding a methanol injection kit will increase your horsepower on average 5 to 20% throughout your powerband. Tired of your factory 1.8T's stock performance or want to push your 1.8T with further upgrades without the fear of detonation? Then water/methanol injection is for you. Not only does a fully tuned water/methanol injection give you horsepower, it also cools down your engine. Our kits are designed to work with the factory MAF input signals to proportionally inject more or less water/methanol as you need it.

To find out more, read on:
Operation is very simple: the system starts injecting when the boost switch reaches the user-adjustable point and it injects a fixed amount of fluid through the nozzle until the switch opens again. This makes it a good choice for low to medium boost setups looking for an octane enhancement and cooler intake charge. Activation can also be set up through any other user-chosen switch, such as a full throttle switch.
Volkswagen Golf Methanol Injection FEATURES:
- Small Size only 3.5 X 4 inches
- Includes Failsafe
- Fully programmable
- Activate up to 5 external devices
- Software and Serial Cable Included
- User flashable.
- Free flash upgrades
- Activate external devices based on multiple conditions
- Includes line pressure sender
- Read a variety of sensors
- RPM activation (with tach signal adapter)
- EGT, TPS, MAF, MAP, RPM, etc
- LIFETIME WARRANTY
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WHY should we buy this product - FAQs
If you like performance then this is for you. The Volkswagen Golf Methanol Injection is the cheapest way to get race gas performance every single day of the week.
Is it only for cars currently running stg 2 software and mods?
I run it on my stage 1 car. Intake, BSH DV kit, and methanol.
if you only tested it w/ a 91 octane file, what can it do w/ a 93 file?
you 93 octane people dont have any idea how lucky you are.
how easy is this to install?
This is a job for an intermediate installer. Definetly not your first mod but also not something that requires anything beyond basic tools.
What are the benefits of Volkswagen Golf Methanol Injection for 1.8T?
1. Low cost - where else can you get up to 60HP on your Golf 1.8T for as low as $489?
2. More Power - We don't create an intake restriction like an intercooler, and unlike race gas, we reduce intake air temps and improve charge air density too!
3. Efficiency - leaner air fuel ratio can be utilized for normal operation.
4. Easy Installation - Volkswagen Golf Methanol Injection systems can be installed in a matter of hours without having to remove bumpers or do custom intake piping.
5. Engine Health - Volkswagen Golf Methanol Injection systems effectively steam clean the valves, valve seats, and even the piston tops and intake when they inject. This reduces carbon build up.
Can the Boost Cooler be applied to naturally aspirated and nitrous engines?
• Naturally aspirated/high compression engines:
Volkswagen Golf Methanol Injection allows the use of pump fuel in all but the most extreme situations which effects tremendous cost savings as well as horsepower increases due to air density increase and higher timing advance potential.
• Engines using nitrous:
With nitrous, Volkswagen Golf Methanol Injection allows the use of more timing advance even with large (250HP+) quantities. The cooling effect of the water/methanol inside the combustion chamber also makes for reduced peak combustion temperatures.
• Naturally aspirated/stock compression:
With naturally aspirated engines using less than 10:1 compression, water/methanol is used often in warm climates to get the intake temps lower. Benefits include: 10-15 HP increases from air density increases and full timing as well as more effective air/fuel ratios, increased gas mileage, and carbon free combustion chambers.
While power gains are typically less in stock compression naturally aspirated vehicles compared to high compression or forced induction engines, benefits can still be realized due to more timing advance, leaner air/fuel ratios, cleaner engine components, lower temperatures, and the use of the methanol in the injection fluid as a secondary fuel source.
What power gains can I expect?
Volkswagen Golf methanol injection allow for more power in two ways on a gasoline application.
• Extra octane. This allows for much more aggressive tuning safely to make more power. Timing can often be advanced 10 or more degrees in the power band. Boost can often be increased 5 or more PSI. Air/fuel ratios of around 12.5:1 can be utilized even in high boost applications.
• Better cooling of the intake air charge. We often cool intake air temperatures 50-150 degrees. This means denser air charge for more efficient power.
If these methods are used, a 20% increase in HP is possible. In naturally aspirated applications, gains of 5-10% are possible.
Can the methanol injection system improve my VW Golf's fuel economy?
Yes. The fuel saver systems are designed for that. Both the diesel and gasoline fuel saver systems are specifically designed to inject a very small and precise amount of water/methanol under normal driving conditions such as accelerating away from a stop light or driving up a slight grade.
• The extra 20-25 points of octane provided allows for more spark timing advance and a leaner air/fuel ratio with the use of a programmer. Both of these factors not only improve power, their efficiency gains improve mileage as well. Additionally, many modern cars will detect the combustion of the methanol and reduce the injection of gasoline accordingly through the adjustment of long-term fuel trim values in the vehicles computer. This can directly and positively impact gasoline fuel economy. Gains of 5-15% are possible depending on how the Volkwsagen is tuned and driven
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