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Engine idle knock problem
#923805
02/08/11 05:52 PM
02/08/11 05:52 PM
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Joined: Jan 2003
Posts: 660 River Falls, WI
urdustd
OP
mopar
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OP
mopar
Joined: Jan 2003
Posts: 660
River Falls, WI
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I’ve got problem with the 360 in my Duster. The engine just doesn’t want to idle without knocking. Not a miss, but what sounds similar to dieseling, rapid popping sounds. Above 2000 rpm it completely goes away and runs beautifully. This all started after having the car down for a few months due to pulling the engine out, changing steering box, headers and torque converter. I’ve swapped ignition control boxes, cap, plug wires, plugs. I’ve varied timing from 0 – 15 degrees BTDC. I pulled the carb (Edelbrock 750) and cleaned it to make sure all the air bleeds and fuel passages are clean. I also readjusted the reluctor gap to 0.008” in the MP distributor. Things I plan on checking are the coil and pickup coil resistance. Initially I thought it was distributor rotor phasing, but that appears fine looking at the marking on the lugs in the cap. Slight marking from center back to the leading edge of the lug. Does anybody have any ideas? This is driving me nuts and I’m probably overlooking the obvious.
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Re: Engine idle knock problem
[Re: urdustd]
#923808
02/09/11 04:19 PM
02/09/11 04:19 PM
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Joined: Jan 2003
Posts: 864 St Paul MN
73swinger
super stock
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super stock
Joined: Jan 2003
Posts: 864
St Paul MN
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Hi Jim, long time. I agree on check converter bolts, also check to make sure headers aren't hitting on anything. All other nuts and bolts get fully tightened during assembly?? It's amazing what we forget to do as we get older, and more distracted.
Chris Schwartz
73 Swinger 340 12.451 @ 108.78
73 Gold Duster, needs a plan.
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Re: Engine idle knock problem
[Re: urdustd]
#923811
02/09/11 11:24 PM
02/09/11 11:24 PM
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Joined: Jan 2003
Posts: 3,905 Minnesota
3twos
master
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master
Joined: Jan 2003
Posts: 3,905
Minnesota
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It may be the dry air in your part of the country has caused some type of problem. Or it could be some other problem. You should investigate further.....LOL.... I agree that the converter bolts should be looked at. Clean the bolts with thinner and use some blue soft set loctite. How are things going these days?
Al & Sheila
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