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Allis Chalmers Discussion Forum
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HELP- HELP

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Mtc

07-27-2007 18:09:49




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I have a Allis G I just restored the motor.It has 105 lbs pressure on each piston and good fire at each plug.New manifold.I can not get number 4 cylinder to work.Good compression and spark at the plug.When I ground the plug out while it is running it makes no difference,in fact it seems to run better.I am stumped.Any ideas?Thanks Mike




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Goose

07-27-2007 20:39:59




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 Re: HELP- HELP in reply to Mtc, 07-27-2007 18:09:49  
Also check the obvious. Make sure the right plug wire goes to the right plug.

Several years ago, I was interested in buying an Olds Ciera that the owner proudly proclaimed had had a new engine (V6) installed two years and had only 26,000 miles on it. I ran it into my shop to check it out. I had a seat-of-the-pants feeling that something wasn't quite as smooth as it should have been. I traced out the plug wires and, you guessed it, two were reversed.

This guy had driven the car 26,000 miles with the plug wires scrambled! I passed on it.

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CENTAUR

07-27-2007 18:32:25




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 Re: HELP- HELP in reply to Mtc, 07-27-2007 18:09:49  
First transpose the spark plugs and if that does not work transpose the plug wires if they are long enough I would guess it is a plug wire.Use solid core plug wires. CENTAUR



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