The three bbl will be too big for this application. We feel your compression ratio is too low for the cam and header tube sizes you have chosen. If tyou were at 11:1 or better, all would work fine. regards,Lynn --- Joe <jgray_55@xxxxxxxxx> wrote: > 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 > > > > __________________________________ > Do you Yahoo!? > The all-new My Yahoo! - What will yours do? > > http://my.yahoo.com > > > __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com