Only runs 40 Degrees advanced

yellow rose said

Or, he can pull the valve cover and VERIFY that the cam is timed at least half assed close before he wastes any more time.

It's actually even more simple than finding TDC.

Unless one valve is open way further than the other, the timing chain is on half assed close.

Again, another thread about th TWO MOST IMPORTANT things when building an engine.

Verifying TDC and degreeing the cam. Neither one is hard, but I'm betting 95% of engines assembled neither one is done.

That's why a GOOD shop that does compete assembly charges 1000 and up for assembly. The engine goes together 3-4 or more times before final assembly.

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The clunk clunk noise was when I tried to start it after I had dropped the piece in the distributor and I didn’t know it was locked up. So when I hit the starter the Distributor shaft twisted. That made it like a screw so it just unthreaded it self out of the slot in the intermediate shaft meaning it pushed up against the clamp and then slammed it self back down when the slot came around again. The top of the intermediate shaft slot was kind of eat up from it pushing it self out and then slam it self back down. That was the clunk clunk. Now I thought maybe it jumped the timing chain too after I replaced the distributor and got it timed again. And I don’t think Degreeing the cam has anything to do with it at this point the Cam ran fine for the last four years and I just did 800 miles that day. Now if I was putting in a new cam that would be good insurance to make sure it’s in right.