Thread: 426 Hemi Oil In Water

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If you want to do it right you're going to have to strip it to the bare block and pressure test the oil passages. Lots of tedious work, but nothing you can't do in a home shop with some dedication and ingenuity. Or take it to a good engine man to have it done. My guess would be a crack in the valley, intersecting a fore-and-aft oil galley.

Here is a site that saves us diesel guys occasionally. The Dodge guys with the infamous '53 bock all have this place bookmarked. It really does work. I don't know the physics of it but Cummins will use it on occasion so it has to be good.

http://www.locknstitch.com/