1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

weber carb Q.?

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Old 07-30-06, 11:23 PM
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ROTRH3AD

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Question weber carb Q.?

i have a 12a that i am looking at running a weber on. getting a rebuilt one off a mate that he no longer has any use for...(sold his rotor the stupid *** ). i was just wondering when u put the weber on did you notice any differences at all?
performance, fuel consumption, sound of the engine. anything wat so eva, just lookin at the pros and cons.

any input would be appreciated.
thanks aaron
Old 07-31-06, 07:57 AM
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Eats, Sleeps, Dreams Rotary

 
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Originally Posted by 12a-GEN-1
i have a 12a that i am looking at running a weber on. getting a rebuilt one off a mate that he no longer has any use for...(sold his rotor the stupid *** ). i was just wondering when u put the weber on did you notice any differences at all?
performance, fuel consumption, sound of the engine. anything wat so eva, just lookin at the pros and cons.

any input would be appreciated.
thanks aaron
Yes my friend you will notice all of the above after installing a weber. Is it a sidedraft or downdraft?
Old 07-31-06, 11:33 PM
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ROTRH3AD

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Originally Posted by Latin270
Yes my friend you will notice all of the above after installing a weber. Is it a sidedraft or downdraft?
it's a downdraft 48IDA...does that make much difference?
which is the better for a rotary?
Old 07-31-06, 11:47 PM
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ROTRH3AD

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bump
Old 08-01-06, 12:01 AM
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kiwi from downunder..

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oh from memorey you may have to have aftermarket fuel pump and regulator to supply for its potentional the stock only supply 2psi i think the weber needs 5-7psi not sure tho
Old 08-01-06, 01:47 AM
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ROTRH3AD

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thanks for the heads up blwfly!
my mate forgot all about thatr lol
aaron
Old 08-01-06, 10:41 AM
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the Weber 48 IDA is a BEAUTIFUL carb. Thirsty, but beautiful.


You'll want a Holley Blue electric fuel pump, a Holley LOW fuel pressure regulator (the 1-4psi one), and a fuel pressure guage. the Weber 48IDA only needs 2.5-3.5psi, but lots of flow.


It's hands down, the best carb money can buy, in my opinion.
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