A: I recall 3 bbls to be excellent circle track carbs, but not much else. From: Joe <jgray_55@xxxxxxxxx> Subject: Holley three barrel carbs..good/bad To: AMClist <mail@xxxxxxxxxxxx>, I've found a Holley 1050 cfm three barrel,also a 950 cfm three barrel..both vacuum secondaries. are they any good? Have not used one..4bbl better or more power from three barrel?Wanting to know if it would be good to use on a 390 in my Gremlin. Will be 9:5/1, cam will be around 540 lift,A/T,stall around 2500-3000, Hooker super comp headers. Suggestions?? Email me direct also please..i gotta let the fellow know. THANKYOU, Joe