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robin2cv Dropped
Joined: 18 Jun 2007 Posts: 144
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Posted: Wed Oct 31, 2007 3:50 pm Post subject: anyone experience with a double weber 40 on a visa engine? |
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Hey
I 'm thinking of placing a double weber 40 on my visa engine? Does anyone has expierince with it? Is it much faster than with the original carb? How much will the feulconsumption rice?
Now I drive the visa engine with 644 heads and cilinders and 630 camshaft an lightend flywheel
greets robin |
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robin2cv Dropped
Joined: 18 Jun 2007 Posts: 144
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Posted: Thu Nov 01, 2007 11:14 pm Post subject: |
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Nobody has mounted a weber 40 on a visa engine?
I m thinking of trying it. Sow tips and tricks are welcome
robin |
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Kustombart Tiki burner
Joined: 25 Jun 2007 Posts: 901 Location: Arnhem, Netherlands
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Posted: Wed Nov 14, 2007 4:31 pm Post subject: |
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Hey Robin,
I know of a company who fit Dellorto's to a standard 602 engine. Maybe they can give you some advice. I think they got 45 hp from only changing the carbs.
http://www.startrick.nl/ _________________ Don't ask me what I think of you 'cause I might not give the answer that you want me to.
www.kustombart.com |
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Pimslet Snailer
Joined: 14 Nov 2007 Posts: 52 Location: France Nièvre Nevers Magny Cours
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Posted: Wed Nov 14, 2007 5:14 pm Post subject: |
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Hello,
Yes 45hp is the power your can expect on a 602 with a 40 DCOE rejetted, venturi changed and special inlet. _________________ Always trying to gets more power on my AZLP, fortunately the fuel has been cheaper for one month. |
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Kustombart Tiki burner
Joined: 25 Jun 2007 Posts: 901 Location: Arnhem, Netherlands
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Posted: Wed Nov 14, 2007 5:38 pm Post subject: |
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They also have equipment to measure power and torque. They can refit your carburettor jets perfectly. Only fitting different jets can improve power by as much as 4 hp, especially on late 70's and 80 cars. _________________ Don't ask me what I think of you 'cause I might not give the answer that you want me to.
www.kustombart.com |
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Pimslet Snailer
Joined: 14 Nov 2007 Posts: 52 Location: France Nièvre Nevers Magny Cours
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Posted: Wed Nov 14, 2007 6:36 pm Post subject: |
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yes,
Rejetting improves the power up to 10% face to a R=1 mixture, by a richer mixture and more ignition advance, because richer mixture is less sensible to clickety. _________________ Always trying to gets more power on my AZLP, fortunately the fuel has been cheaper for one month. |
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Kustombart Tiki burner
Joined: 25 Jun 2007 Posts: 901 Location: Arnhem, Netherlands
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Posted: Wed Nov 14, 2007 7:20 pm Post subject: |
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I understand what you mean but only after some thought It's just a fact that in the 70s and 80s, carburettors were adjusted for low emissions and low fuel consumption and not high power. This you can change back easily. _________________ Don't ask me what I think of you 'cause I might not give the answer that you want me to.
www.kustombart.com |
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Olli Soviet-Finn Photoshoper
Joined: 25 May 2007 Posts: 2146 Location: Soviet-Finland
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Posted: Wed Nov 14, 2007 10:15 pm Post subject: |
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I have one in my chopper Ural. Engine is about 775cc. works nicely.
-Olli _________________ www.ollierkkila.com |
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Lionel Dropped
Joined: 11 Jul 2007 Posts: 258 Location: NANTERRE-PARIS suburb-FRANCE
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Posted: Wed Nov 14, 2007 10:25 pm Post subject: |
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He Olli, what throttle linkage are you using? I mean the rotating piece on the weber you atach your cable on. Where did you find it?
Thank you for your help. _________________ 0 to 70 in the same day! |
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Olli Soviet-Finn Photoshoper
Joined: 25 May 2007 Posts: 2146 Location: Soviet-Finland
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Posted: Wed Nov 14, 2007 11:59 pm Post subject: |
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Do you mean this part where Gas wire comes? Its modified Del'orto piece.
-Olli _________________ www.ollierkkila.com |
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Lionel Dropped
Joined: 11 Jul 2007 Posts: 258 Location: NANTERRE-PARIS suburb-FRANCE
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Posted: Thu Nov 15, 2007 11:23 am Post subject: |
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Thank you Olli.
I forgot that modified, that's the name of the game! _________________ 0 to 70 in the same day! |
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Kustombart Tiki burner
Joined: 25 Jun 2007 Posts: 901 Location: Arnhem, Netherlands
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Posted: Thu Nov 15, 2007 12:45 pm Post subject: |
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Ural is cool. _________________ Don't ask me what I think of you 'cause I might not give the answer that you want me to.
www.kustombart.com |
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