Webber Carb Emulsion Tubes?

[greg1.4]

hi, i have been told to get F8/F11/F47 emulsion tubes for my webber 40 dcoe's.

i am running a 1650cc engine.

the emulsion tubs i have are F16? what is the difference in them and will F16 be ok?

spec is 1650, blydenstein head, lightened and balanced,kent ast2 cam, 4 branch, webber 40's...

cheers for any help..

[garyc]

stick with 16's. The only place to tell is on a decent rolling road, make sure it uses a lambda meter to take exhaust reedings, ones with the CO meter shoved up the tail pipe wont help you on this.