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That SPD-22 is a nice cam. More duration than the 68 340-4 speed cam but less lift. It will idle a bit more aggressively than the 340 cam but the less lift will be a bit easier on the valve train. That SPD would work fine in a 340/360 but you might not want it in a 318 unless you have a...

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I just poked around and read 1 turn to 2 1/2 turns. Not a clue. Recommendations ar all over the map.Others will chime in . I need to recind my half turn and say at least a full turn. :lol:

Wow, I have never seen 2 turns. It seems excessive. I guess if you go a half turn and they rattle you can always go more.

The rule of thumb is 1 turn past zero lash.

Yoo must not read through the posts. See post #3

Hoppy tests and calibrates every one he sells.

@HALIFAXHOPS sells nice used tach/dwell meters and timing lights with digital tach's.

I'm out. No one on the planet has the answer to this question.

But it has something to do with heat treat. Copper isolates the steel from the carbon during the heat treat. I understand the small and large ends are heat treated, then machined, (obviously) whereas the beam is not. I would believe this over everybody saying the copper is to build up rods that...

It's for the heat treating process before carburizing. https://www.cp-carrillo.com/n-12112-carburized-rods.html

Here's a video advertising a machine. It looks slick but E X pensive! Boy, it does a lot of neat stuff though.

CNC ported isn't necessary for a performance build. Ported heads are. CNC is good for consistency in production.

Sealed Power has always been top notch. (unless things have changed)

What's the difference in the torque?

Hard to believe a 5/16 bolt has that much strength. Multiply that by 4 and you have enough to lift a 800# engine.

They probably came out of a old tractor pull rig. Don't offer too much. See where the guy is. He may thing a few hundred a piece is a fair price.

Run it.

Indian Head gasket removal :lol: