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Carburetor Selection
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RossM96
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PostPosted: Thu Oct 26, 2017 2:50 pm    Post subject: Carburetor Selection Reply with quote

Hello good people of The Samba!

I have a 1972 Bus with a rebuilt 2000cc Type 4 motor. It痴 currently running dual Kadron 40s with some funky handmade linkage from the previous owner. It痴 improperly jetted and probably barely synced at best. I知 consistently getting just under 15mpg on average. I知 going to replace them with Dual Webers with CB linkage and have it setup by air cooled.net so I can start fresh with all new all quality components.

I知 stuck between 34ICTs and 40IDFs. I知 not afraid to spend the extra money on IDFs to do it right the first time but it is a consideration. Do IDFs really offer that much more power and fuel economy than ICTs to make them worth it? My bus is a daily driver, so I知 looking for drivability and simplicity instead of maximum power. Can ICTs make me happy?

Thank you!
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wcfvw69
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PostPosted: Thu Oct 26, 2017 3:18 pm    Post subject: Re: Carburetor Selection Reply with quote

40IDFs

They much better carbs than the 34's and probably fit your engine size better as well. Let John know the particulars for the jetting of them to fit your engine.

I have 44IDF's on my 2276. Great carbs.
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RossM96
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PostPosted: Thu Oct 26, 2017 3:34 pm    Post subject: Re: Carburetor Selection Reply with quote

Thanks for the advice! That seems to be the standard thought. Could you please expand on the specific benefits other than some people out there incorrectly saying bigger is always better?
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Redpepper31
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PostPosted: Thu Oct 26, 2017 4:16 pm    Post subject: Re: Carburetor Selection Reply with quote

I just went through the same decision as you deciding between the ICTs and dual 40 IDFs. I went with the IDFs from aircooled.net and also purchased John's clean and jet service so the carbs would be ready to go.
Be aware that even with the carb setup option they are not plug and play. I have been trying to get mine running properly for over a month but still don't have it running good enough to drive yet.
I have been trouble shooting with John,who is very accessible and helpful. Also, many suggestions from the talent on this forum but now I am at the point of trying to find a local shop that can tune these things.
I hear they are great carbs for the 2.0, Hopefully I get to experience their greatness one day!
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richparker
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PostPosted: Thu Oct 26, 2017 5:19 pm    Post subject: Re: Carburetor Selection Reply with quote

IDF40s with CB linkage.
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madmike
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PostPosted: Fri Oct 27, 2017 5:14 am    Post subject: Re: Carburetor Selection Reply with quote

X2 with Rich Wink
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Vee Dub Nut
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PostPosted: Fri Oct 27, 2017 5:16 am    Post subject: Re: Carburetor Selection Reply with quote

40 IDFs all the way... I have used a lot of IDFs on past motors, and have a set of 40's on my 2.0 T4 in my late bay. They run great. I'll also second getting the CB linkage, as the linkage can make or break a set of carbs.
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obieoberstar
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PostPosted: Fri Oct 27, 2017 5:51 pm    Post subject: Re: Carburetor Selection Reply with quote

I am working on installing a set of the 40's also.

Which 'CB linkage' are you all talking about. Is it the center pull set up or the hex bar?
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richparker
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PostPosted: Fri Oct 27, 2017 11:31 pm    Post subject: Re: Carburetor Selection Reply with quote

The Hex bar is a center pull.
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aeromech
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PostPosted: Sat Oct 28, 2017 12:50 am    Post subject: Re: Carburetor Selection Reply with quote

Buy the best linkage you can afford.
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vwdave33
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PostPosted: Sat Oct 28, 2017 10:24 pm    Post subject: Re: Carburetor Selection Reply with quote

Dellorto 36 or 40s are great carbs!
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RossM96
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PostPosted: Wed Feb 14, 2018 4:03 pm    Post subject: Re: Carburetor Selection Reply with quote

It's been a while but I pulled the trigger on Weber 40IDFs and they are going in this weekend! Thank you to all of you for your inputs.
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