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Vacuum piping- what diameters?

Does anyone know what diameter vacuum piping we have in the TT engine bay? Gonna get some pretty coloured replacement but need to know what sizes and how much of each approx :)

 

I think red piping will allow the air to flow fastest ;):D

 

Cheers

 

Pete

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    I used 3 x 3m packs of the 4mm from Demon tweks. This was just enough if you still have the AIVs.

     

    Someone on twinturbo.net mentioned about 20 ft of the 6 mm(bloody yank units of measure !!) But I've only managed to find a home for less than one pack of the stuff

     

    Don't forget if you're going the whole hog to get some 3mm to connect up the vacuum guage. Bit of a wast though since you only need a few inches.

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