1973 Other International Models heavy truck 501 engine

Tiny
BIGEDS66
  • MEMBER
  • 1973 INTERNATIONAL
1973 Other International Models 6 cyl Two Wheel Drive Manual

complete engine rebuild, new carb, coil, plugs, plug wires, points, condenser. Rotor and cap. Engine starts easy has no power under load sounds real bad. Fireing on only 2 cylinders 2 and 6, weak spark in points. Can't figure out why its not running right. Can you help?
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Friday, April 2nd, 2010 AT 5:09 PM

5 Replies

Tiny
JACK42
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What gap did you set the points at?
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Monday, April 5th, 2010 AT 8:03 AM
Tiny
BIGEDS66
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I tried.19 first and then.25 didn't find much difference in anyhing
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Monday, April 5th, 2010 AT 1:02 PM
Tiny
JACK42
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Try.16 and see if it runs any better. Do you have a dwell meter so you can chek the dwell angle? Shoudl be at 30 degrees if I remember correctly
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Monday, April 5th, 2010 AT 10:35 PM
Tiny
BIGEDS66
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Tried.16 gap also replaced some wiring that was queationable. Not much change, still weak spark, pale yellow not blue.
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Monday, April 12th, 2010 AT 2:27 PM
Tiny
JACK42
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What kind of system voltage do you have at the coil?
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Monday, April 12th, 2010 AT 5:06 PM

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