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Ignition advanced, can't adjust, part II 700 1986

posted by  dylant on  Thu Apr 10 17:54 CST 2003
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last visit: Tue Oct 16 15:08 CST 2001
[RELATED]

Thanks to everyone for the terrific responses-

I feel like there's some money riding on this.

Finally pulled back the timing cover and peeked at the cam gear markings. With the mark lined up TDC, and the piston head checked through the plug hole, the crank timing mark was about 15 advanced. I think that's my hint. Called my parts guy and ordered a new crank pulley- I already have the belt. Did one of these a long time ago on a B23F, but didn't pull the crank pulley. I see the removal instructions on the FAQ, I'll let you know what happens next.

So betting opportunity #2. If my timing read about 35 degrees advanced when I first read it, post performance problem, and the crank pulley mark slipped 15 degrees, that would put my initial advance to about 20 degrees. When I played with it, I got it to read 25 degrees, so that put me at about 12-10 degrees advance. And the car was a little better- better idle, mostly. And then I removed the bolts, read 12 degrees, was probably 0, and the car had NO power.

What this all adds up to, however, is that my igition timing has been fine, and something else is really the culprit for this power issue.

Who wants to bet it's a slipped crank pulley AND a slipped belt?

218K miles on the car, and I think 60K on this belt. Yeah I know that's why I bought the belt already.

I'm hoping to have this done by Sunday.

Thanks again-
-Dylan






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