There`s quite a lot of "Miths" flying around concerning splits, But in my opinion they work very well for their intended purpose & that is "out & out" full race.
The "good" manifolds for them allow a very even distribution of fuel/air right across the whole 4 cyls, & a very "un-interupted" manifold design gives a long, flowing wonderfull amount of time for the fuel to mix well with the air, They also allow for a far far better float bowl arrangement with little tricks up the "old masters" sleeves for helping to stop fuel tumbling/sloshing over into the air jets on hard cornering/ hard braking/hard decelleration (depending on their fittment :ala:- mini/sprite east/west--nth/south layout etc) & very hard to beat in the upper most high end of flow/performace/revs. Not impossible to beat, just very hard to beat.

I cover myself well don`t i? ? ?
That "sloshing fuel into the air jets" thing that i talked about is one of the problems with just about any weber set up on just about any "RACE" car, but easy enough to fix & by quite a few different means.
Splits are simply not worth the time/effor/money for a road car, but then that`s just my opinion... & my opinion doesn`t count for much in my books, but then my books are not very ledgable these days,,, & besides i need glasses to read them anyways,,, & i don`t like wearing my glasses either,,,, so there you go,,, another worthless piece of my 2 cents worth once again
Ok,,, I`ll shut up now
