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Posted

Hi All

I am currently putting a set of webber 40s onto a standard 2Litre pinto.  Looking for advice regarding the vacuum i.e. can you blank off the vacuum pipe from the distributer...is it needed?

Thank you

Posted

The vacuum is there to give better fuel economy at low throttle openings 

yes it can be blanked off but better to fit a vacuum less dizzy. 

Posted
15 minutes ago, blue said:

The vacuum is there to give better fuel economy at low throttle openings 

yes it can be blanked off but better to fit a vacuum less dizzy. 

Thanks for that.

Posted

I used to run twin 40s with a vacuum dizzy - I took a vacuum pipes from cylinders 2 & 3 into a small tank made from a piece of 22mm copper tube about 80mm long.  Out of the tank I took another vacuum hose to the dizzy.  This worked quite well with a standard camshaft. 

 

Posted
21 hours ago, Foz said:

I used to run twin 40s with a vacuum dizzy - I took a vacuum pipes from cylinders 2 & 3 into a small tank made from a piece of 22mm copper tube about 80mm long.  Out of the tank I took another vacuum hose to the dizzy.  This worked quite well with a standard camshaft. 

 

thank for that. We had to alter the water inlet on the manifold, a mate of mine said while he had manifold he could do what  you suggested. so thanks again,

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