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Author Twin 40 webbers
Generation
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Registered: 7th Jul 09
Location: Essex
User status: Offline
29th Dec 10 at 19:20   View User's Profile U2U Member Reply With Quote
Always though you needed to run aftermarket Ecu's to fit these, am I wrong?

If o whats needed.

thanks
taylorboosh
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Registered: 3rd Apr 07
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29th Dec 10 at 19:21   View User's Profile U2U Member Reply With Quote
my nova had some...dont know what goes into fitting
Generation
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Registered: 7th Jul 09
Location: Essex
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29th Dec 10 at 19:30   View User's Profile U2U Member Reply With Quote
Standard ECU?
taylorboosh
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Registered: 3rd Apr 07
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29th Dec 10 at 19:36   View User's Profile U2U Member Reply With Quote
yes i think, isnt it only tbs that need management? thought carbs were mechanical
ShEp
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Registered: 9th Aug 05
Location: Dingwall, Highland
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29th Dec 10 at 19:42   View User's Profile U2U Member Reply With Quote
John is right

barbs are mechanical fuel injection.

Bodies are electronic fuel injection.

Carbs require a fuel regulator and a dizzy iirc
taylorboosh
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Registered: 3rd Apr 07
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29th Dec 10 at 19:43   View User's Profile U2U Member Reply With Quote
they are a twat too start i know that much, but then again apparently its in the technique, mine needed setting up aswell though
Generation
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Registered: 7th Jul 09
Location: Essex
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29th Dec 10 at 19:46   View User's Profile U2U Member Reply With Quote
Heres advert this is a pair of twin 40 webers, they have new jet inspection covers an gaskets. they come with 40mm pipercross trumpets one has 2 dents in it (seen in pic). £200 ono manifold not included.


They are TB's
ShEp
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Registered: 9th Aug 05
Location: Dingwall, Highland
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29th Dec 10 at 19:46   View User's Profile U2U Member Reply With Quote
Mate if mine had them on an xr2.

They kept freezing whilst driving in the winter.
Generation
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Registered: 7th Jul 09
Location: Essex
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29th Dec 10 at 19:53   View User's Profile U2U Member Reply With Quote
How are they set up, is it common for them to freeze, does this cause damage?
taylorboosh
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Registered: 3rd Apr 07
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29th Dec 10 at 20:01   View User's Profile U2U Member Reply With Quote
Any decebt garage/rolling riad can set them up
Ronson
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Registered: 6th Dec 10
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29th Dec 10 at 23:38   View User's Profile U2U Member Reply With Quote
You add a pipe onto the exhaust manifold and direct it towards the carbs to stop them freezing up in the winter while driving, put a towel or something like that over them at night to keep the moisture and most of the chill off them, just remember to remove it in the morning.
sand-eel
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Registered: 15th Mar 07
Location: carluke/braidwood--IRNBRULAND
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29th Dec 10 at 23:45   View User's Profile U2U Member Reply With Quote
Really depends what car you have to start with if it needs a different ecu.
eg nova with a dizzy and carb, just replace the carb with the twin 40's done.
If the car has injection and a dizzy you just replace the injection shit with the 40's.
If the car has injection and a coilpack you need a after market ecu for the ignition timing, webber sell a "winter" add on thing to stop icing.
sand-eel
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Registered: 15th Mar 07
Location: carluke/braidwood--IRNBRULAND
User status: Offline
29th Dec 10 at 23:46   View User's Profile U2U Member Reply With Quote
ou set them up by putting an emissions tester up the exhaust and setting the air/fuel ratio screw to the optimum setting.

 
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