Don't get it right, just get it running. 85 318 roller

plumkrazee70 said

You're right.

The part I'm having a hard time with is not knowing if they "look good" without having them checked by the machine shop ($335) unless I can just clean them up and visually inspect? I just have never have inspected heads. I can remove the valves, but have never lapped in valves or replaced guides or seals.

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how many miles were on the motor originally. while lo miles isn't a sure thing, it's a likely bet things are better than they are worse.

the FSM has the procedure and specs for checking the wibbly-wobblyness of the valves. or you could always roll some dice with giving them a little wiggle waggle and pop test at home.

guides, you're not going to be able to replace at home (at least not without special equipment). but lapping them in and dropping on seals is dead easy.

another option, depending on how your relationship is with the machine shop, is roll over there with your stuff and just be like: hey, i can get new heads for $500 can you guys give these a look and freshen them up where they need it for that much?