Stratching my head!

Ncm77589

New Member
Nov 8, 2010
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I looked around and I hope this belongs here I know sometimes people put carbs in there own category because fuel injections is pretty much the stuff now.

I am new to carbs and need some help. I have done some research and need to know if this is correct..

So I have a 302 with a 650 cfm Edelbrock Carb

I think my motor is running rich because...
-There is a smell of gas.
-I get a white smoke from the pipes only when i sit at an idle.
-The smoke does not give me the appearance of coolant or oil really.
-The tailpipes have what seems like quite a bit of carbon build up.
-My plugs appeared to have a dark liquid carbon build up on them.

To fix this I need to...
-Get a vacuum gauge and hook it up to the carb.
-Turn down the tuning screws (sorry don't know the term.)
-Unscrew them until I get a higher vacuum and stop when the vacuum drops again.

Since I mentioned the exhaust I should mention it has no smog pump or cats. Just pipes and a couple glass packs. I am working on replacing the exhaust. But I am in college. So time and money are short at the moment.

Is this all sounding right? what is your guys opinions? I feel I could have a bad seal in the motor and oil could be getting in but its not constant. I also feel it could be the valve stem seals but once again it only smokes on the idle. Hope I gave enough details and what not so you guys can help me out.

Thanks in advance guys.
 
I looked around and I hope this belongs here I know sometimes people put carbs in there own category because fuel injections is pretty much the stuff now.

I am new to carbs and need some help. I have done some research and need to know if this is correct..

So I have a 302 with a 650 cfm Edelbrock Carb

I think my motor is running rich because...
-There is a smell of gas.
-I get a white smoke from the pipes only when i sit at an idle.
-The smoke does not give me the appearance of coolant or oil really.
-The tailpipes have what seems like quite a bit of carbon build up.
-My plugs appeared to have a dark liquid carbon build up on them.

To fix this I need to...
-Get a vacuum gauge and hook it up to the carb.
-Turn down the tuning screws (sorry don't know the term.)
-Unscrew them until I get a higher vacuum and stop when the vacuum drops again.

Since I mentioned the exhaust I should mention it has no smog pump or cats. Just pipes and a couple glass packs. I am working on replacing the exhaust. But I am in college. So time and money are short at the moment.

Is this all sounding right? what is your guys opinions? I feel I could have a bad seal in the motor and oil could be getting in but its not constant. I also feel it could be the valve stem seals but once again it only smokes on the idle. Hope I gave enough details and what not so you guys can help me out.

Thanks in advance guys.

I would advise getting a wideband to get the air/fuel corrected if you dont have the edelbrock calibrating kit with the rods and jets to adjust the actual fuel flow then you may want to get it when you get the wideband