I have been hearing great things about water/methanol injection recently. Several friends have used it for their boosted applications with great results.

I hear that it is also available for N/A applications and offer the same benefits but of course with less dramatic results.

What do you guys think?
Is it worth it?

Boost Cooler has their N/A application for $299.

Thanks

 

Really its just a bandaid for detonation. It works on street cars running lots of boost on crappy pump gas. If you run proper fuel it is completely unnecessary in both NA and Turbo applications. The bitch about it is that to take full advantage of it you need your timing advanced such that if you run without the water injection the thing is going to detonate terribly. If you want to inject something in your engine to gain power, look no farther than nitrous. For $100 more than that water injection you can have a nice new single nozzle wet system

 

water injection also helps cool down intake charges. it does wonders to boosted applications, but really for na, its not that well worth it.

 

The minor cooling effect it has on the intake charge are negated by the loss in volumetric efficiency unfortunatly.

 

Methanol injection is designed to take the place of "proper" high octane fuel for a street car. Needing to run 6 dollar a gallon race gas to get your N/A honda motor to run 110 traps to me is akin to getting sacked, over and over again. If you check the system before you run hard with it (IE: press the test button. If your car bogs down it's spraying meth and you're good to go. No bog = no meth = don't drive hard) you'll be fine, but with the AEM, ETC you can have it cut back timing or put a rev limiter in there if it detects a low alcohol level, or the pump isn't working. And nitrous has no relation to methanol injection, nitrous requires more octane and less timing, and methanol injection is basically like running race gas. If he has problems running on the street running nitrous is just going to make him detonate worse.

 

I don't think he said anywhere that he was having detonation issues? It just depends on what he is looking to do. If you want to make serious power, nitrous. If your looking to spend more money on more parts that have minimal gain, that injection system is definitly a top pick.

 

You are right, I am not having detonation issues.

The car is in Jamaica, where it is hot all the time (Good for how girls dress, not for the car !). Also, we only have 87 and 90 octane gas available. Race gas is not easy to acquire and is quite expensive.

I was just trying to see if this could help compensate for my low octane pump gas and the hotter climates while keeping my engine safe.

I just wanted to know if it as feasible option and what your views are on how it affects the safety and performance of my LS/VTEC engine.

Thanks.

 

Water injection is very popular for FI applicatons, especially with the JRSC

Remember timing and fuel is what makes power. Forced air just allows more fuel.

Using forced induction you compress air, and when you compress air you create heat.

The problem then becomes that you are going to encounter detonation with the added heat, and to avoid that you retard timing.

BUT since timing = power, retarding timing causes a loss of power.

On a turbo an intercooler is your "band aid" for this, and on a supercharger like jackson racings, water injection is you "band aid" for this.

Once you cool that intake temp you can retard timing less and thus gain power.