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Original Message
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RE: 390 Oiling |
By Rusty - 01/21/2001 8:43:55 PM; IP 63.113.183.187 |
All the oiling mods you mentioned are very helpful. Another area that needs attention is the oil passage where the oil pump bolts on. You can lay the gasket on a see how small the hole is in relation to the hole in the oil pump. This hole needs to be drilled out with a 1/2" bit and radiused with a grinder. As for the restriction in the heads, I tap the hole and use a 1/8"npt pipe plug and drill it out with a 1/16" drill bit. I'm always afraid that I'd accidently drop a jet into the engine during the build. Sodium filled valves were used in HR and MR engines. I've got a piston with a sodium filled exhuast valve head sticking out of it on my shelf that came out of a MR in 1972. Rusty |
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