Triple Mikuni and Webers
Discussions around the triple Mikuni & Weber carb setups
73 topics in this forum
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- 14 replies
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Hi I have a 71 240 that I have owned since 1989. When I got it there was a pair of DGV's installed that never worked very well. About ten years ago when I had the cylinder head rebuilt I had a pair of Z Therapy SU's installed and they have been perfectly fine. However.... I still lust for a set of 3 sidedrafts. Is there an argument to be made for Weber vs Mikuni or the other way around? Size recommendations? The engine is a stock L24 block and the cam is the stage 1 performance cam from MSA.
Last reply by esmit208, -
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I have issues with leaving things alone. Blame it on a short attention span, or what ever you like, but I have an urge to try some 45 DCOE's on my Datsun Spirit L28 STR engine build. My 40 DCOE's are doing well, but at times I wonder just how much I am leaving on the table on the top end. I changed out my chokes in my 40's to 32mm and it really woke up the top end. I have read that driveability suffers from the larger opening on the low end. My only point of comparison is my Roadster. It is 2 liters with 45 DCOE's on it. It idles and runs VERY smoothly and revs to the moon. Granted that is 0.5Liters/ per cylinder. While my Z is .47 liters/ per cylinder. I guess th…
Last reply by Travel'n Man, -
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Wondering if I should be concerned with this... I am setting up the 45's on a canon manifold. This model of Weber (45 DOCE 9) does not have a Progression Hole inspection port and hence I am confirming the location of the throttle plate and progression holes prior to mounting the carbs to the intake manifold. I have noticed on one carb that the return spring (and location of the throttle plate) is a little bit" lazy", as the throttle plate will still allow for one progression hole to remain uncovered unless I apply a small amount of pressure to the throttle plate spindle. I do not have this issue with the other two carburetors. I am wondering if I should be conce…
Last reply by 240260280, -
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Getting ready to install my triple webers. I know the vacuum advance for the webers not hooked up and I have capped off the port at the dizzy. My question is about the other vacuum line that went to the back of my airbox with the SU's. It gots from the airbox down to the small junction box under the dizzy. What do I do with this line now as there is no port for it to go to now? Do I cap it at the junction box? What have you guys done with it? I can't find any images or info by searching.
Last reply by Zpat, -
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- 5 replies
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What comes with a rebuild kit? Sent from my iPhone using Classic Zcar Club mobile
Last reply by wsmagers, -
- 1 follower
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We just bought a 1974 260z with triple carbs. However, they are locked up and unusable. Is there a solution to unlocking them? Also, if we have to replace them, what is the difference in the Weber triple carb and Mikuna triple carb?
Last reply by wsmagers, -
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im looking for a #45 auxiliary venturi for a weber 40 dcoe 18. send me a pm if you have one. thanks
Last reply by sweatybetty, -
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I've gone through the forums and cant seem to find a bottom line answer to this. I have Weber DCOE 45's on my 240 and I just purchased some new stacks (pictured in red). These stacks are the bolt-on style and do not slide into the carb, like some that I am seeing (also pictured). 1. Will my bolt-on stacks work with no issues? 2. I read that the "slide-in" type stacks help hold the venturi in place, is this true? 3. I also read that the "slide-in" type stacks do something with the choke plate, is that true? Thanks, Jeff
Last reply by Mike W, -
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Hey gang, thought I'd share an interesting Mikuni troubleshooting session that occured this past weekend. A good friend from Edmonton has a Datsun roadster 2000 with a pair of Mikuni 44's. After converting to them a few years ago, he's had nothing but trouble trying to get them run properly. Bought them fresh from Wolf Creek, so had no reason to think the carbs themselves were the problem. He's had several local "experts" try to get them working properly with no luck. In what can only be called a final desperate act, he asked me if I'd give this a shot. Being a sucker for punishment, I agreed. Now I did find the problem, but it was not anything that I'v e…
Last reply by zKars, -
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Yup, the regulatory plunger in my Mallory pump stuck and I ended up sending 18 psi to my webers for darn near a minute before I realized what was happening. I made a thread over that problem, including the solution. I am not back to a rock steady 3 psi. However, when I started it up the very first time after this happened the car acted very funny at first. One of the floats was stuck all the way down and I was running on 4 cylinders for a while. I tapped the top of the carb where the float needle is and the fuel pressure dropped to zero then increased to read 3 psi like it should, meaning it was being held completely closed and empty and when I tapped it, so…
Last reply by LeonV, -
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- 6 replies
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Disclaimer: I am by NO means a Weber Pro and this post is still a WIP (Work in Progress) Hello, my name is Mike and I've recently tackled my first set of Triple DCOE Webers project. Now, I spent hours reading all the manuals and following a few guides online, but none of them were particularly methodical in their approach and often just led to more confusion. I'm putting this guide together to, hopefully, help others who might not have much experience with these carbs or for those who (like me) prefer a Step-by-Step approach to figuring things out. This guide has been made possible with the help of those more knowledgeable than me. Thanks guys - you know…
Last reply by Zedyone_kenobi, -
- 2 followers
- 23 replies
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I have been fighting with the throttle cable on my Triple Webers for years. Just never had that perfect OEM feeling the push pull rods gave me (after they were rebuild and in perfect condition mind you) So Mike W. was kind enough to put me onto the Harada manifold. This this has all the features I have dreamed of in a manifold. It has a cast in bosses to hold the teflon bearings for the throttle rod. The throttle rod is BEEFY so deflection is not an issue on the middle carb. It comes with a Cable guide that should you want to run a cable should make the throttle feel excellent. It also has a torsion spring on the end that is awesome. I had drawn up one like this i…
Last reply by rossiz,
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