1990 7.3

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May 17, 2006 | 11:08 PM

#16

Dave Sponaugle

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From: Nutter Fort, WV

What color is the smoke while idling after it is warmed up?
If you smell the smoke, does it have any distinctive smell?

May 17, 2006 | 11:17 PM

#17

pitman56

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it is white(alot of it at start) and no real smell to it. be a stock car builder at one time that is the first thing i did. it does have a slight diesel smell but, but not real heavy. it kinda smelled like bleach but i figure that was in my head. i live on a pretty busy road and you get all kinds of smells coming from the traffic that goes by.

May 18, 2006 | 05:19 PM

#18

pitman56

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i was wondering if the cdr is bad. i read in one of the other post that if it is a gray one it should be replaced. is there some way to check it???????

May 18, 2006 | 05:26 PM

#19

Dave Sponaugle

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From: Nutter Fort, WV

White smoke is usually unburnt fuel with cold engines.

Mine is gray, it has been working since 86, but I do clean it out often.

May 18, 2006 | 05:29 PM

#20

pnose

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From: newfoundland canada

Are you losing any coolant?

May 18, 2006 | 05:31 PM

#21

pitman56

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it was a thought. just trying to figure this thing out cause it is driveing me nuts. the town i live in won't have any problem with bugs this year. could it be something in the timing??????

May 18, 2006 | 05:33 PM

#22

pnose

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From: newfoundland canada

Quote:

Originally Posted by pnose

Are you losing any coolant?

White smoke can be coolant being burned.

May 18, 2006 | 05:33 PM

#23

pitman56

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no not losing coolent.

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May 18, 2006 | 05:35 PM

#24

Dave Sponaugle

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From: Nutter Fort, WV

I am thinking late timing could cause this. But if it was that retarded, it should be a bit on the sick side as far as power goes.

May 18, 2006 | 05:38 PM

#25

pitman56

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how do you check the timimg????????? can't hurt to try. like i said it runs like **** in town , but out on the road it runs like a new truck.

May 18, 2006 | 06:37 PM

#26

pitman56

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ok....... i went out and check my oil, just to see if it was a head gasket. water level is the same, but the oil was over a bunch. i did a oil change on it last weekend and a friend stop by, well i must of lost count of how much i put in i hope. drain it out and started it back up. don't know if it was because it has sat for a while but it didn't smoke near as much as it did. that might have been it. guess we will see.

May 18, 2006 | 07:04 PM

#27

pnose

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From: newfoundland canada

Smell the oil to see if it smells like diesel.Sometimes the diaphram in the mechanical fuel pump on the side of the block can rupture letting fuel go into the base.

May 18, 2006 | 07:14 PM

#28

pitman56

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it does smell like diesel. that would cause the smoking right?????? so it sounds like a new fuel pump. is it set up like a gas pump or are they differnet.

May 18, 2006 | 07:18 PM

#29

pnose

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From: newfoundland canada

Yes set up like a gasser pump however follow the instructions as to the location of the cam on the pump.Get that oil changed asap,that fuel will play havoc on your internals.

May 18, 2006 | 07:27 PM

#30

bilder12

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From: Northeastern Pa - USA

justto help out a bit .. nose is talkin about the fuel lift pump blowing the diaphragm. It does have a weep hole in the side to let the fuel out but sometimes does not do the job. The injection pump also has a weep hole in the very bottom of the mounting neck and real honey to get your finger on to see if it is leaking. But that might show up in the valley pan if it leaks enough.

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