IMHO, the only way to get a Weber set up right is via a dyno.
I put a Weber Sidedraft on my '70 MGB after long consideration. 80% of
the folks I talked with said it would be virtually undriveable on the
street, the other 20% said it would be just OK. I ordered the TWM
manifold and the 45DCOE (from Fast Freddie's, which was nice enough to
search thru their inventory for a carb with the right size chokes) along
with the recommended jets from the Haynes Weber manual. After
installation, the car fired right off (Model 152's and up have a manual
choke) and ran well over 2500 RPM but had a spit at idle. I spent $250
for rolling road dyno time which highlighted timing, jet and emulsion
tube changes. The car now has a slightly lumpy idle @ 1000 RPM and has
INCREDIBLE throttle response. I consider the sidedraft to be a very
streetable combo, if you plan (and budget) for some quality dyno time.
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