water leak test

[Marty87]

looking for some advice on water leak testing on my mercruiser 4.3 v6 any one have experience on doing this

[mmwjr]

In your other post you state that you have removed the intake manifold and I believe the heads as you said the head gaskets look fine so this is a mute point as no easy way to pressure test it now. Send the heads to a shop and have them magufluxed to look for cracks. They need to go anyway for a valve job from what you said about cylinder 4.

[Marty87]

The heads are at the shop just now getting Reconditoned just wanted to see if there any way of leak testing