Forum Chat Back to Forum Chat...https://www.minicooper.org/wp-content/plugins/wp-symposium-pro/forums/../css/images/wait.gifjetting H4 Su carbs (1 reply)bodyshell22 years agobodyshell2 2 years agoHi 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! ROLI2 years agoROLI 2 years agoStart with the BG needles, thats what I ran in mine. Recent posts Back to Forum Chat... Back to Forum
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!