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30 Aug 2012, 20:13 (Ref:3127576)
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#26 | ||
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Veteran
Join Date: Nov 2006
Posts: 9,410
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That would cause the problem as the main jet is on the bottom of the emulsion tube.
Tim wouldn't know a weber if it fell on his head ! 
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__________________
Balls of steel (knob of butter) They're Asking For Larkins. ( Proper beer) not you're Eurofizz crap. Hace más calor en España. Me han conocido a hablar un montón cojones! Send any cheques and cash to PO box 1 Lagos Nigeria Africa ! 
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30 Aug 2012, 20:17 (Ref:3127578)
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#27 | |||
 Race OfficialVeteran
Join Date: May 2003
Posts: 11,142
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Quote:
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30 Aug 2012, 21:08 (Ref:3127608)
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#28 | ||
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Veteran
Join Date: Nov 2006
Posts: 9,410
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I hope it cures the problem, so I was right in my first post !
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__________________
Balls of steel (knob of butter) They're Asking For Larkins. ( Proper beer) not you're Eurofizz crap. Hace más calor en España. Me han conocido a hablar un montón cojones! Send any cheques and cash to PO box 1 Lagos Nigeria Africa !
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31 Aug 2012, 08:31 (Ref:3127782)
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#29 | |
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Rookie
Join Date: Dec 2007
Posts: 14
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Cheers guys. How do you think it might have come loose? Or do you think its not been tightened up properly?
I'm also changing the fuel pump as the one I have keeps sticking and causing it to break down on 'mapping runs'  I'll let you know how I get on |
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31 Aug 2012, 09:58 (Ref:3127804)
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#30 | ||
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Race Official Veteran
Join Date: May 2003
Posts: 11,142
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It's not been tightened in the first place, I've never had any come loose. The only thing that seems to work loose on a Weber is the round screw on caps with the butterfly heads on them.
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31 Aug 2012, 10:34 (Ref:3127819)
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#31 | |
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Rookie
Join Date: Dec 2007
Posts: 14
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The guy who set it up was in a bad mood when he was setting it up so it might have been him being angry and forgetting...
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4 Sep 2012, 07:29 (Ref:3130385)
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#32 | |
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Veteran
Join Date: Apr 2002
Posts: 9,710
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Bingo. I'd say it was whizzed up in a rush and not tightened. I've had the same happen on the dyno before, neither the dyno guy or myself knew why/who but it took us over an hour wo work out why . . .it was bedding in perfectly at 2-3000 rpm and as soon as you tried to rev it it was like a rev limiter was fitted! ho hum, no damage done.
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4 Sep 2012, 16:22 (Ref:3130654)
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#33 | |
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Rookie
Join Date: Dec 2007
Posts: 14
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So after tightening up the jet/screw, it seemed to run smoother, we ran it for a while and after hard acceleration it kept on killing all power again, then it seemed to clear and hasn't done it since...
I've now taken the engine out again though to fix the oil leak Thanks for you help folks |
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10 Sep 2012, 19:47 (Ref:3133911)
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#34 | ||
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Racer
Join Date: Aug 2009
Posts: 183
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Weber
Next time take it to someone who has some people skills! You don't stay in business long without them. I'm not saying the good guys who run rolling roads are the most sociable folks on the planet but if they stay in business they know to treat customers wth repect.
Two in my area who know their carbs are Peter Baldwin near Royston, and Troy at Northampton Motorsport. Glad you fixed it. Sorry you paid the bad tempered "expert" who set it up for you. |
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