Originally Posted by crashkahuna
Yeah looks real nice. Can you explain more about the inlet nipple going into a water jacket? (ie what is a water jacket in this application-trying to visualize.)
Does going downstream past level of inlet mean the water exits the nipple below the level where the nipple first enters the riser? Does it matter if inlet nipple enters vertical or horizontal? Thanks.
This is one of those picture is worth a thousand word situations!
If you use a simple "T" to inject cooling
water, there is nothing to stop water from entering the exhaust port of the head
(or turbo) when the engine is shut down or overcranked (as when purging air).
A proper mixing elbow is essentially a pipe within a pipe; the water is injected into the space between the pipes. The inner pipe which carries the exhaust gasses is shorter than the outer pipe which is connected to the exhaust hose. The exhaust becomes "wet" only where the inner pipe ends. This point is ALWAYS well down "hill" from the engine manifold.
I'm on my phone
, but if it still doesn't make sense, I'll draw a diagram when I'm next on a computer.