1 reply to this topic

[Chris.Williams]

Hi guys,

Is it worth going to a 31mm exhaust valve on a supercharged 1275?
Currently metro sized 29.3.
Will they fit with the 35.7 inlet without making the space between them to small?
Is going to a 30mm going to be any better?

Thanks
Chris

[Spider]

Turbo Phil would be the guy for this one.