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I need a better carburetor for my '87 Sammi

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Offline harpingeorge

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I need a better carburetor for my '87 Sammi
« on: July 30, 2015, 10:31:52 AM »
My Samurai is still pretty much stock.  The T-Case has been geared down and the tires are oversized but that is about it.  I have been dreaming of swapping the engine simply to get fuel injection but can't afford that option right now and besides the original engine is still running strong.  My biggest current problem is in the carburetor.  Currently I have a Weber 32/36 DGAV on it which works great except when I really need it....

Heavy bumping and steep inclines kill the engine.  I've heard people say it is because the float is cutting off the fuel but it acts more like it is flooding out.  Does anyone have any idea of a solution for me.  I've heard a diaphragm (as opposed to a float) carburetor would take care of the problem.

Any ideas would be greatly appreciated.  Alternatives?  What should I purchase?  What modifications does it take to do the conversion?  Where is the best place to purchase?
88 Suzuki Samurai, 6.5:1 Trail Gear T-Case, Stage 2 clutch, Weber 32/36 Carb (problematic). Everything else is stock.

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Online fordem

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Re: I need a better carburetor for my '87 Sammi
« Reply #1 on: July 30, 2015, 11:23:57 AM »
As far as I know the problem with Weber carbs is flooding rather than fuel starvation.

I believe the carb setup you are looking for is known as the "MY-SIDE" - developed by Zuks Off Road - although this is not a diaphragm carb (it does have a float), it apparently does not have problems on inclines as the webers do.
'98 SQ420 Grand Vitara
'05 JB420 Grand Vitara
'16 APK416 Vitara
'21 A6G415 Jimny

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Offline Rhinoman

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Re: I need a better carburetor for my '87 Sammi
« Reply #2 on: July 30, 2015, 01:23:42 PM »
The My-side is a CV carb which does have a diaphragm but its not a fixed choke carb like a Weber. The Weber requires a low fuel pressure so you may need a regulator, there is also a mod to stop the float chamber emptying into the choke when on an incline.
2000 Vitara 1.6, 3+3 Lift, 33"MTs, 5:83s, LWB brakes, Winch, Snorkel, Safari Rack
1986 SJ413K PickUp, 1.6L conversion.

OBD1 - Full diagnostics on a PC/Laptop: http://www.rhinopower.org

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Offline harpingeorge

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Re: I need a better carburetor for my '87 Sammi
« Reply #3 on: July 31, 2015, 11:53:53 AM »
Thank you guys! Helps a lot. That looks like what I may need to get.
88 Suzuki Samurai, 6.5:1 Trail Gear T-Case, Stage 2 clutch, Weber 32/36 Carb (problematic). Everything else is stock.

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Offline LB

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Re: I need a better carburetor for my '87 Sammi
« Reply #4 on: October 15, 2015, 02:45:18 PM »
More information please. Rhinoman mentioned a mod for weber float chamber. I'm interested. Please elaborate.


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Offline Boxcar

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Re: I need a better carburetor for my '87 Sammi
« Reply #5 on: October 18, 2015, 01:39:10 PM »
 A Toyota 2tc carb is a proven swap as well.
God Bless
88.5 Samurai Heavily modified.

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Offline Tan Zuk

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Re: I need a better carburetor for my '87 Sammi
« Reply #6 on: November 27, 2015, 04:25:19 PM »
x2 with Boxcar.

Have had one on the DD for 6 years with no issues. Best of all there is no rejetting and works out of the box as long as you (don't buy from ebay).

Here is alot of info, pics and links for the swap. There are a few mods needed to be done, if you follow all the info provided on the thread it will fire rite up. You will be pleased by the performance and decent gas mileage. Besure the valves are adjusted properly.

http://bbs.zuwharrie.com/content/topic,123850.msg1227190.html?PHPSESSID=8c6f73a6401ed4904754e70ca1e8cadf#new