 WTB:, Weber 40's for a 2.0 |
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| BuddyV |
 Dec 8 2010, 11:05 AM
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#1
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Robert  Group: Members Posts: 555 Joined: 8-April 05 From: Santa Rosa, CA Member No.: 3,898 Region Association: Northern California 
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I bought Koozy's 2.0 motor (runs strong, mystery build/internals)... it is being installed as we read/write.
I have a pair of Delorto 36's, but it has been strongly suggested that I go with 40's. So, I am looking for a good set of 40's Weber. As always, the budget is blown... but it seems worth it to go 40's now as the motor is being installed. Let me know what you have and best price, shipped to Bay Area..... I think it's 94002. Or local, and I can pick up. (fingers crossed) Robert (707) 888-1857 |
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Replies(1 - 11)
| hwgunner |
Dec 8 2010, 12:07 PM
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#2
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914 Parts @ Discount Prices 800.321.5432 Group: Members Posts: 1,714 Joined: 11-November 04 From: Santa Maria, Ca Member No.: 3,095 Region Association: None |
FWIW- I have always been told that the 36 dells flow the same as the 40 webers and the 40 dells flow like the 44 webers. Not sure you really need to change. I would ask some of the engine guru's.
jonathan hwgunner |
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| BuddyV |
Dec 8 2010, 12:55 PM
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#3
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Robert Group: Members Posts: 555 Joined: 8-April 05 From: Santa Rosa, CA Member No.: 3,898 Region Association: Northern California
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HHmmm.... hopefully others will chime in.
Thank you... I will ask around. |
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| koozy |
Dec 8 2010, 01:21 PM
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#4
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Senior Member Group: Members Posts: 651 Joined: 21-July 07 Member No.: 7,931 Region Association: None |
The maximum air flow is determined by the size of the venturi. Thus, the size differences in the carbs IE: 36 vs 40. The advantage to the 40mm carburetors would be most realized at mid to high range if the vent size differed. You can only get so much air through a particular venturi. The larger the vent, the more air. Thus, the more available air/fuel if and when needed if using a larger venturi. There are many other components to the puzzle when it comes to the correct parts for your application. Not withstanding the lack of readily available parts for the Dells.
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| JmuRiz |
Dec 8 2010, 01:33 PM
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#5
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914 Guru Group: Members Posts: 5,434 Joined: 30-December 02 From: NoVA Member No.: 50 Region Association: MidAtlantic Region
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e-mail or PM Jake Raby, for real test numbers.
I think the Delortos will be better...smoother progression. But if you want to swap I may check with my 356 guy and swap out your Dels for my webers on it. |
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| koozy |
Dec 8 2010, 01:46 PM
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#6
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Senior Member Group: Members Posts: 651 Joined: 21-July 07 Member No.: 7,931 Region Association: None |
Either one can be made to work. There are many factors to consider.
I am in no way suggesting choosing one setup over the other. The information is just a point of reference. |
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| BuddyV |
Dec 8 2010, 02:49 PM
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#7
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Robert Group: Members Posts: 555 Joined: 8-April 05 From: Santa Rosa, CA Member No.: 3,898 Region Association: Northern California
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Nathan - PM sent.
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| stugray |
Dec 8 2010, 10:37 PM
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#8
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Advanced Member Group: Members Posts: 3,825 Joined: 17-September 09 From: Longmont, CO Member No.: 10,819 Region Association: None |
I had dellortos in my 914 20 years ago.
The venturis themselves can be changed out to tune. These are separate from the velocity stacks. Stu |
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| ME733 |
Dec 9 2010, 08:35 AM
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#9
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Senior Member Group: Members Posts: 842 Joined: 25-June 08 From: Atlanta Ga. Member No.: 9,209 Region Association: South East States |
QUOTE(koozy @ Dec 8 2010, 02:21 PM)  The maximum air flow is determined by the size of the venturi. Thus, the size differences in the carbs IE: 36 vs 40. The advantage to the 40mm carburetors would be most realized at mid to high range if the vent size differed. You can only get so much air through a particular venturi. The larger the vent, the more air. Thus, the more available air/fuel if and when needed if using a larger venturi. There are many other components to the puzzle when it comes to the correct parts for your application. Not withstanding the lack of readily available parts for the Dells. ....................Not exactly...The butterfly,s/ throttles, are the biggest factor in getting maximum horsepower.(with a correct venturi). The 36 dell,s will be smooth at the bottom end ok at the midrange and fall of at the top end.(As they come from the factory, the venturis are only 28mm)., The 36 dell,s have 36mm butterflys. The weber 40,s have 40 mm butterflys.The weber 44,s have 44 butterflys....bigger will make more HP, at the upper rpm range.(with proper venturis, and jetting). they will also be problematic to run/accelerate smoothly from idle.But it can be done. |
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| ws91420 |
Dec 10 2010, 04:13 PM
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#10
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Yes I have one a Lensley 914 Group: Members Posts: 2,063 Joined: 10-September 03 From: Ruther Glen,VA (halfway between sticks and civilization) Member No.: 1,137 Region Association: MidAtlantic Region |
I have a pair of Weber 40's that are available. PM if your interested and we can talk price.
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| Sailor |
Dec 10 2010, 11:59 PM
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#11
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Member Group: Members Posts: 67 Joined: 17-January 10 From: Tumwater, WA Member No.: 11,247 Region Association: Pacific Northwest |
I have a pair of Italian made weber IDF 40's. Includes manifolds, linkage, velocity stacks and air cleaners. 28mm venturis, 120 mains, 50 and 55 idles and 200 air. Recent rebuilt kit installed. PM for price if interested.
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| BuddyV |
Dec 11 2010, 06:25 PM
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#12
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Robert Group: Members Posts: 555 Joined: 8-April 05 From: Santa Rosa, CA Member No.: 3,898 Region Association: Northern California
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I sourced a set of carbs... thank you all for your help!
Cheers! |
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