Water can't bend the valves, but it sure can stop a piston from coming
up, there by bending the rod in half..
Rich
>----------
>From: Matt Trostel[SMTP:mtrostel@metronet.com]
>Sent: Tuesday, February 04, 1997 7:24 PM
>To: tigers@autox.team.net; alpines@autox.team.net
>Subject: Using water to clean running engine
>
>It has been touched on, but be very careful about pouring water into a
>running engine. Water in its liquid form is nearly incompressible. Granted
>the engine is very hot and will probably vaporize the water. Keep in mind,
>though, that you're dealing with a very short time period from when the
>water enters the carb to the time combustion occurs. If the water doesn't
>absorb enough heat during that short time to turn into steam, you end up
>with liquid in the cylinder and will very likely bend valves, break pistons,
>bend poiston rods, and possibly destroy the block or heads.
>
>I guess it would be better to use hot/near boiling water for this if you
>choose to do it. You would then increase the likelihood that all of it ends
>up as steam. I also liked the idea of using a spray bottle to spray mist
>into the carb instead of pouring water (more surface area means better heat
>exchange).
>
>Matt
>
>PS Don't want to rain on anyones parade but I have heard of newer cars with
>cold-air induction kits which, while driving in the rain, ran through a
>large puddle, suck water into the intake (past the air filter too I guess),
>and ultimately bent valves and piton rods.
>
>
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