What carburator for my 454 LS 5 M22 3.07/1 possi 67 conv.

[dz302-jack]

Hi. I Wonder what carburetter to putt on my 454 LS5 Muncie M22 3,07/1 possi 67 conv. for best mileage and good power. Anyone out there who knows? I like Stock appearance.

[ds1]

Go with a Quadra jet or a Holley 750 vacuum secondary model 3310.

[dz302-jack]

Yes that was what I planned, but is there no problem with a vakuum on a 4 speed?. Thoth it maybe wod give a bumpy ride on accselaretion? This is my first built with a 4 speed, wood like too get it right the first time. :-) Thanks Jack.

[JohnZ]

Yes that was what I planned, but is there no problem with a vakuum on a 4 speed?. Thoth it maybe wod give a bumpy ride on accselaretion? This is my first built with a 4 speed, wood like too get it right the first time. :-) Thanks Jack.

Vacuum has nothing to do with the transmission - it has to do with the engine, and specifically with the camshaft.

[bcmiller]

Jack, what do you plan to be your max engine rpm.  A 650 cfm carb will work if economy is what you are after.