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jetting H4 Su carbs (1 reply)

2 years ago
bodyshell2 2 years ago

Hi i have mk1 1340cc cooper s with a 649 cam, twin 1 1/2" can anyone enlighten  me as to which jets to use i have cp4 jets in at the moments but the car seems to be running out off breath at the top end ie, too lean!

2 years ago
ROLI 2 years ago

Start with the BG needles, thats what I ran in mine.

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