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jetting H4 Su carbs (1 reply)

10 months ago
bodyshell2 10 months 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!

10 months ago
ROLI 10 months ago

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

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