Throw this into the mix:
Run a large dia. hose from the positive boost
side of the turbo to the water tank which is sealed. Run a small dia. tube
from the water tank below the water level. Run the water line to where you
want to inject it just before the throttle body. Have a changeable jet on
the water side where it's easy to get to. This eliminates the need for
pumps, switches, regulators etc. The more turbo boost you have the more
water pressure you have. You just have to regulate it with a jet. Sounds
awful simply but it worked for me. I ran it on a supercharged ski boat,
running 12 or 13 lbs. boost. It allowed me to run regular leaded gas for
several years after they stopped making premium gas. I had a number of
grudge races with no engine damage. I used a bunch of old Mikuni carburetor
jets I had laying around. Just went rich till it blubbered and backed it
down a couple of notches. Think about it, it worked for me...
Bob Ragsdale - #745
Ragsdale Race Engines
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