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I get my LA 318 rebuilt by a machine shop and I've got it all put back in the truck and I put coolant in because I'm all ready to start it up and I see before I even start it, its leaking coolant from a freeze plug..

So this shop that rebuilt the engine, they put the rocker shafts on backwards, put rocker arms in the wrong order, fail to chase ANY threads and now I see a freeze plus is leaking.

I call the shop and the guy says to go ahead and start it up that the plug will stop leaking once it gets up to temp. Is this correct. Has anyone experienced this? The guy said it's a common thing to happen. But with all the other mistakes they made it seems to me that they prolly just didn't do a good job cleaning it. But this is the first time I've started a newly rebuilt engine so idk.

If what he's saying is true wouldn't it leak again once it cools down?

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