Vacuum Advance Connection HIF 4 – carb or manifold?

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Vacuum Advance Connection HIF 4 | MG MGB Technical | MG-Cars.info

Quite a debate on the merits of manifold or carb vacuum porting to the distributor advance.

The only difference on the vacuum is at tick over speed – beyond tickover the vacuum is the same whether at the manifold or the carb.

I personally prefer the carb porting as i reckon i get a better slower tickover.

Read the debate from the link below:-

http://www.mg-cars.info/mgb-technical-bbs/vacuum-advance-connection-hif-4-2014031909192510757.htm

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