 dellorto mid range bogs, Lean suspect |
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| 80cap |
 May 23 2018, 05:54 PM
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#1
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Member  Group: Members Posts: 317 Joined: 6-February 15 From: ohio Member No.: 18,405 Region Association: None  |
I have a 2056 with a web cam and twin drla 40 dells. The car falls flat at 3400 rpm in all gears. Once the primary jets kick in it pulls to redline. any advice on jet size or set up is wanted. All the passages are clear. This is mainly at mid throttle.
Brian (IMG:style_emoticons/default/headbang.gif) |
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Replies(1 - 5)
| yeahmag |
May 23 2018, 09:47 PM
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#2
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Advanced Member Group: Members Posts: 2,421 Joined: 18-April 05 From: Pasadena, CA Member No.: 3,946 Region Association: Southern California 
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For starters we need to know all about the carbs.
Venturi size Idle jet size Main jet size Air correction jet size ...and ideally float level |
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| MarkV |
May 23 2018, 10:57 PM
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#3
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Fear the Jack Stands Group: Members Posts: 1,493 Joined: 15-January 03 From: Sunny Tucson, AZ Member No.: 154 Region Association: None |
Are you sure it doesn't have some other problem because it seems like a strange problem for carbs. Maybe you have a stuck advance mechanism in your distributor.
For reference 2056: 34mm vents idle jets 60 main jets 132 air 180 |
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| porschetub |
May 23 2018, 11:15 PM
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#4
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Advanced Member Group: Members Posts: 4,698 Joined: 25-July 15 From: New Zealand Member No.: 18,995 Region Association: None |
QUOTE(80cap @ May 24 2018, 11:54 AM)  I have a 2056 with a web cam and twin drla 40 dells. The car falls flat at 3400 rpm in all gears. Once the primary jets kick in it pulls to redline. any advice on jet size or set up is wanted. All the passages are clear. This is mainly at mid throttle. Brian (IMG:style_emoticons/default/headbang.gif) Not sure what you mean by primary jets,I would think @ 3400 you will be on your main jets,wouldn't think your distributer is at fault as you should be fully advanced by then and you would "bog" earlier in your rev range,think your mains are to large and your transition from idles to mains is poor,what is your mid range rpm?.not sure what that is. Specs needed as mentioned,not many can help otherwise, (IMG:style_emoticons/default/beer.gif) |
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| 80cap |
May 24 2018, 05:10 AM
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#5
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Member Group: Members Posts: 317 Joined: 6-February 15 From: ohio Member No.: 18,405 Region Association: None |
I'll record al the specs today and repost. I kinda suspect an advance problem.
Brian |
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| cgnj |
May 24 2018, 09:31 AM
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#6
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Senior Member Group: Members Posts: 623 Joined: 6-March 03 From: Medford, NJ Member No.: 403 Region Association: None
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QUOTE(80cap @ May 23 2018, 04:54 PM) I have a 2056 with a web cam and twin drla 40 dells. The car falls flat at 3400 rpm in all gears. Once the primary jets kick in it pulls to redline. any advice on jet size or set up is wanted. All the passages are clear. This is mainly at mid throttle. Brian (IMG:style_emoticons/default/headbang.gif) Hi, I think I can help. Need to know the following 1. Venturi ,idle jet,main jet, pump jet, air correction jet, emulsion tube 2.What distributor are you using & what advance are you running? 3.What linkage are you using? 4.When did you last sync them? Tossing jets in and out gets pretty expensive, Ask me how I know. Regards, Carlos |
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