just rebuilt runs bad

6tfo said

Used the 74, 318 distributor (no points). It acted the same as the MSD distributor, runs nicely at 45 BTDC and poorly at 15-20 BTDC. Double checked everything.

I'm going to call Advance and order a new point distributor $40 plus $15 core. They'll have it in the am.

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Don't know if this was discused in an earlier reply, Seeing its acting the same with another dist. it could be the MSD box or a slipped balancer, If the points act'd the same "timing wise" i'd suspect the Balancer, Did you ever fined TDC to make sure the balancer lines up at 0 on the tab?

You say it runs nice at 45 BTDC, but runs poorly at 15-20*, I hope you mean at idle on that 15-20 & not max advance, because it will not run good there, have you tried 35-36* max from the 45*??