bowl vent

luapopel · 08-14-2007

i had a question about my weber it has a bowl vent and i was wondering where im suppose to vent this too. I dont have a charcoal canister and im not sure if its even necessary to have since this is the first weber ive had that has had a vent.

thanks

Bill Hoffmann · 08-14-2007

Could you post a photo? Most Webers are vented to the interior of the air cleaner. In the old days carbs were just vented to the atmosphere, so I think you can just leave it open.

luapopel · 08-14-2007

no i dont have a camera. But it has just a fuel line fitting so i dont know if they had it plumbed into a filter or just left it open

tekenaar · 08-14-2007

Originally Posted by luapopel

i had a question about my weber it has a bowl vent and i was wondering where im suppose to vent this too. I dont have a charcoal canister and im not sure if its even necessary to have since this is the first weber ive had that has had a vent.

thanks

It's one of the CARB-spec (California Air Resources Board) Webers then, specifically for California. Bet it probably has an ICO solenoid (see below) instead of the primary idle jet and holder too! . . . and yes, you can just vent it to the atmosphere.

luapopel · 08-14-2007

yeah it has a cut off valve and it runs good i just haven't had one before and didnt know if it needed to be vented into anything. i appreciate all the help. this is the first opel ive had and i think im in love

duvel · 08-16-2007

I just find out that I close the bowl ventilation.What should at been the effects after closing.So far the car runs great

Bill Hoffmann · 08-16-2007

If it's closed you could build up some pressure in the float bowl. That might result in erratic behavior (uneven mixtures). One likelihood is that you would push fuel into the intake after turning off the engine, causing hard starting when the engine is hot.

RallyBob · 08-16-2007

Bill, this won't be a problem. The Weber downdrafts are vented internally (within the air filter, just above the air corrector jets). So you can plug the charcoal cannister hose fitting if you wish.

Bob

duvel · 08-17-2007

Thanks all, this make me sleep well again.
Bill, sometimes when the engine is hot is it hard starting. So i will give it a try and tell you later if this gives any changes.

Bill Hoffmann · 08-17-2007

Originally Posted by RallyBob

Bill, this won't be a problem. The Weber downdrafts are vented internally (within the air filter, just above the air corrector jets). So you can plug the charcoal cannister hose fitting if you wish.

Bob

I was speaking in general terms and assuming he does not have a Weber. Based on Otto's input on the C.A.R.B. version vs. standard Weber, and the fact that he's in Belgium, he may have some other carb (or the original Solex), in which case the float bowl would probably require an external vent.

Bill

duvel · 08-17-2007

Sorry to be not clear enough; I have the weber like on the pic from Tekenaar

RallyBob · 08-17-2007

Originally Posted by Bill Hoffmann

I was speaking in general terms and assuming he does not have a Weber.

Sorry Bill, I was just going by what he said in his first post:

i had a question about my weber it has a bowl vent and i was wondering where im suppose to vent this too.

I just figured he somehow got a US smog-spec 32/36 Weber based on this comment, since none of the other Webers seem to have the bowl vent.

Bob

08-14-2007	#1 (permalink)
luapopel Opeler Join Date: Jul 2007 Location: alabama Posts: 29	Unanswered: bowl vent i had a question about my weber it has a bowl vent and i was wondering where im suppose to vent this too. I dont have a charcoal canister and im not sure if its even necessary to have since this is the first weber ive had that has had a vent. thanks

08-14-2007	#3 (permalink)
luapopel Opeler Join Date: Jul 2007 Location: alabama Posts: 29	weber no i dont have a camera. But it has just a fuel line fitting so i dont know if they had it plumbed into a filter or just left it open

08-14-2007	#5 (permalink)
luapopel Opeler Join Date: Jul 2007 Location: alabama Posts: 29	vent yeah it has a cut off valve and it runs good i just haven't had one before and didnt know if it needed to be vented into anything. i appreciate all the help. this is the first opel ive had and i think im in love Last edited by tekenaar; 08-14-2007 at 07:06 PM. Reason: yea = yay; yeah = ye-ah; havnt - Swedish?

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08-14-2007	#2 (permalink)
Bill Hoffmann Opeler Join Date: Jul 2002 Location: Wilmot, WI Posts: 316 Provided Answers: 2	Could you post a photo? Most Webers are vented to the interior of the air cleaner. In the old days carbs were just vented to the atmosphere, so I think you can just leave it open.

08-16-2007	#6 (permalink)
duvel Opeler Join Date: Jul 2005 Location: Belgium Posts: 59	I just find out that I close the bowl ventilation.What should at been the effects after closing.So far the car runs great

08-16-2007	#7 (permalink)
Bill Hoffmann Opeler Join Date: Jul 2002 Location: Wilmot, WI Posts: 316 Provided Answers: 2	If it's closed you could build up some pressure in the float bowl. That might result in erratic behavior (uneven mixtures). One likelihood is that you would push fuel into the intake after turning off the engine, causing hard starting when the engine is hot.

08-17-2007	#9 (permalink)
duvel Opeler Join Date: Jul 2005 Location: Belgium Posts: 59	Thanks all, this make me sleep well again. Bill, sometimes when the engine is hot is it hard starting. So i will give it a try and tell you later if this gives any changes.

08-17-2007	#11 (permalink)
duvel Opeler Join Date: Jul 2005 Location: Belgium Posts: 59	Sorry to be not clear enough; I have the weber like on the pic from Tekenaar

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