TheSamba.com Forums
 
  View original topic: what is water injection
bigbadben Mon Oct 27, 2008 11:44 am

how does it work ?
what does it do ?
does it make more power ?
:?:

miniman82 Mon Oct 27, 2008 11:55 am

Google is your friend.
http://en.wikipedia.org/wiki/Water_injection_(engines)

For some reason, I can't get the whole URL to work right; something about the parenthesis. Copy+paste the whole thing into a new browser to view.

Stripped66 Mon Oct 27, 2008 12:08 pm

bigbadben wrote: how does it work ?

It sprays water and/or methanol into the intake.

Quote:
what does it do ?


It cools off the intake charge and arguably causes a small increase in octane, helping to decrease the occurence of detonation.

Quote:
does it make more power ?
:?:

It does not make more power by itself; however, it can facilitate the conditions that make more power. For example, lets say that with 91 octane, you get engine detonation at 15 psi of boost. With water/methanol injection, now you can run 20 psi of boost with no detonation. Running greater boost pressure is what is really making the power, but the water/methanol injection is what allowed you to run that much boost without detonation (and destroying your engine).

kevin11 Mon Oct 27, 2008 12:10 pm


:lol: :lol: :wink:

bigbadben Mon Oct 27, 2008 12:26 pm

ok well check it out
i have a 1776 makes 138 hp to the ground
it has 10-1 compression
ported vw heads
48 dellortos
and a full msd set up
and i wanna try to squeeze some power out of it
on the cheap
thanks for all the input Stripped 66

The Noof Mon Oct 27, 2008 12:32 pm

Not a whole bunch to be gained on an NA engine,but it will allow you run a little more timing, if the engine likes it,or a lower octane fuel in some circumstances.



Powered by phpBB © 2001, 2005 phpBB Group