Pressure Testing a Block

[KiWinUS]

Originally Posted by Bored&Stroked

Hey Ken, when you put the pins in, did you coat them with any sort of sealer - like locktite stud and bearing mount? This tends to help them not leak/weep a bit.

I've found that sometimes the pins will weep just a bit - so I always start the engine and use a water-glass ceramic seal product from Moroso for the initial break in. Sometimes I do it twice just for good measure. This stuff will seal up the IronTite pins if they are weeping.

Hopefully you can save the block!

Dale do you put the water glass in with the radiator you are going to keep with engine? We found with race cars it would ruin radiator if not rinsed out immediately after draining. The would not remove/ dissipate heat near as good