ZUKIWORLD Online | Suzuki 4x4 Editorial and Forum
ZUKIWORLD Discussion Forum => Suzuki 4x4 Forum => Topic started by: whitestanger on April 07, 2009, 09:47:19 AM
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I have a weber carb and was wandering if any one knows if it can be modified to run off road. I have heard that they stall out on steep inclines. I mostly run in the mud not to much rock crawling or hill climbs. But if it is an easy job i would just rather fix it now before i install it. I also heard that you can put the carb on backwards that way it stalls going down hill instead of up hill which sounds a lot better to me. Just wandering if anybody has modified a weber or tried to turn it backwards.
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i have a 32/36 and experienced the flooding in steep climbs.
i did turn it around(bowl to firewall), lowered the float slightly and limited the float drop.
works ok now.
that uphill flooding was scary sometimes.
perhaps a slight tendency to flood on real steep downhill, but doesn't bother me.
the turn around made my accelerator cable fit better also.
well worth doing.
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Also get an adjustable fuel pressure regulator... Webers don't like that much fuel pressure. The stock Sami mechanical pump is 2 1/2-5 psi. The Weber is more comfortable with 1 1/2psi.
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You want too lower your float level and seal off the bowl vent and put a tube to exstend it.Then it wont flood or stall out.Mine will run on the rear bumper.Good luck!
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Gary A. Eck from www.offroad.com says:
The problem is the fuel bowl is vented open to the air horn and raw gas pours into the carb throat going uphill, but not downhill. You have to seal that opening with ?Liquid Solder?. The fuel bowl is now sealed, but you have now created another problem: your fuel pump is now pressurizing the fuel bowl and forcing raw gas out the main jets. To solve this (while you have the carb apart to seal the fuel bowl opening) examine the external vent casting. I am talking about the vent connected by a rubber hose from the carb to the charcoal canister.
(http://www.off-road.com/suzuki/samurai/images/webers3.gif)
If you examine the air horn closely you will notice the casting for the vent goes under the air horn next to the opening you sealed previously. Use an 1/8 drill bit to drill from the air horn into the tube created by the casting. By doing this you have once again vented your fuel bowl, but the raw gas will not flow back into the throat of the carb.
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That's pretty cool...