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12-02-2006, 02:34 PM
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#16 (permalink) | |
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Moderator
 
Join Date: Aug 2004
Location: Bloomfield, CT If I died today, I lived there all my life.
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Yes, I've taken them apart. All it took was reading that you're not supposed to, and I was in there (helps to have an extra or two, just in case. There is a tiny circlip that can go 'twaaanngg' across the room, but once you get that off, it's all pretty straight forward. Actually, all you really need to do is pull the flash shield off (that's what they call the clear plastic cover, it's sposed to keep errant high tension balls of fire from getting at the reluctor and mag pickup coil.) Spray some liquid Wrench, PB blaster, or other good penetrant on the weight pivots and spin it by hand back and forth till they are free enough that the rotor shaft is very free to move on the lower shaft. 8 out of 10 old RR out there are sluggish out of the gate because the diaphragm in the vacuum advance has rusted out, or the weights are stuck. The properly functioning distributor should go a full 34 to 38 degrees advanced on acceleration, then, as vacuum goes down after the initial opening of the throttle plate, advance goes back to what ever the mechanical advance gives per revolution. OK now my elbow hurts |
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12-02-2006, 04:34 PM
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#17 (permalink) |
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Senior Member
Join Date: Jan 2006
Location: Boise ID
Posts: 219
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LOL! Thanks, and i already took it apart, put it back together, and have it installed! Yeah, it was definetly gummed up. I had to work for a good hour to get it working properly. Seems to be better now. However, my vacuum advance is shot though. I can blow air right through it. Certainly a source of problems in the low RPM range.
Okay, one more question - when i hooked the timing light to it, it would occasionally fluctuate toward the advanced side. Still sticking a little you think?
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Greg M 1987 RRC Rovers haven't made it to the far reaches of the Earth worrying about warning lights. Last edited by Greg M : 12-02-2006 at 05:42 PM. |
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12-04-2006, 09:10 AM
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#18 (permalink) |
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I'd Rather Push a Landrover than Drive a Jeep
Join Date: Jun 2006
Location: Durban, South Africa, 'til 2009. Then Back to Salt Lake.
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Well, my hesitation/chugging turned out to be a bad intake manifold. But I am not going to change it until I get a new top-end for my 3.9
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1991 RRC 2 1989 RRC's 1998 RR P38A 1967 SIIA 88 1969 SIIA 88 1967 SII 109 1971 Vampire Radio Body 101FC |
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12-10-2006, 08:22 AM
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#19 (permalink) | |
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12-11-2006, 09:04 AM
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#20 (permalink) |
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94 Defender 90
Join Date: Apr 2005
Location: Chester, NH
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This happened to me. Check the heater wires on your O2 sensors. They should be heated to give accurate readings when the engine hasn't warmed up. That was the problem on mine. Runs great after fixing that!
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12-11-2006, 10:07 AM
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#21 (permalink) | |
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Senior Member
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Greg M 1987 RRC Rovers haven't made it to the far reaches of the Earth worrying about warning lights. |
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12-11-2006, 10:12 AM
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#23 (permalink) |
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Senior Member
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Been there done that. I haven't cleaned them though.
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Greg M 1987 RRC Rovers haven't made it to the far reaches of the Earth worrying about warning lights. |
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