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B19's are reputed to have stronger internals than the B200. They are quoted as having the same BHP as the B200's, but many people feel they have a bit more usable power than the more modern engines. Inlet manifolds are available to fit twin 40's and possibly 45's if you're sticking with carbs. But setting up the correct jetting on aftermarket carbs is a black art which I don't pretend to know anything about.
I guess you could swap the FI system from a B19E if you can find one - but for all the hassle it entails you might as well put in MegaSquirt and get some proper power improvements
'85 360GLT Mk2 3 Door B19E - SOLD
'94 L400 Mitsubishi Delica LWB
B19A engine in the 360 is the best engine for bolt on turbo, it has compression of 8.5 and strong internals, so if the engine is in decent shape just slap on a turbo, sort out the fueling and ignition, and you are good to go.
Volvo R-Sport - Equipment for the car enthusiast.
“Buy land, they're not making it anymore” - Mark Twain
"There are only three sports: bullfighting, motor racing, and mountaineering; all the rest are merely games." -Ernest Hemingway
Hmm.. Well LH-Jetronic 2.4 and Motronic needs their own flywheels for the ignition, so the flywheel has to be changed if you wan't to use either one.
LH-Jetronic 2.2 doesn't need specific flywheel as it uses hall-sensor in the dizzy for the ignition, so a LH 2.2 from a turbo model would work with most less work.
700-series with B230FT had 2.2 LH-Jetronic. I think all 900-series turbos are 2.4. B200ET and B230ET in 700-series were with Motronic.
I don't know which the B200FT had as those are not so common in here.
Volvo R-Sport - Equipment for the car enthusiast.
“Buy land, they're not making it anymore” - Mark Twain
"There are only three sports: bullfighting, motor racing, and mountaineering; all the rest are merely games." -Ernest Hemingway