Two liter sedan has single down draft solex
I have a 1959 two liter sedan AR10202*00900*. It has a single down draft solex and an entirely different manifold than the spider with PHH44 solex which are side draft.
While it certainly would work if you only wanted the spider engine to run, I would not suggest the sedan intake manifold and carburetor for the two liter spider. (1) The carburetor itself sits higher and the hood could probably not be closed. (2) The spider is supposed to have 105 horsepower; the sedan with same motor internals
(although different valve clearances) only 90. Still, I must admit that since I have set my valve clearances at the suggested spider numbers I have been able to go 100 mph with six people in the sedan (in my foolish younger years -- even without seat belts -- Not proud of that). Incidentally, I am sure that a couple degrees in valve timing and clearances certainly help the spider too, especially with webers. The advance in valve timing gets the engine to run harder at higher rpms.
And, by the way, the spider carburetors (or even weber or delorto sidedrafts) on the spider intake manifold -- siamesed or un-siamesed -- , if used in the sedan, would probably be impeded by the lack of the inlet cut into the right body which was done by the factory on the spider to allow the extra room. The sedan has a fuel pump on the front side under the carburetor run off the eccentric of the chain idler where lower and upper chain meet. Spider has an electric pump under the car.
If anyone might be even faintly interested, on the sprint the entire engine, carburetors, starter, exhaust, distributor, water pump is IDENTICAL to the spider engine. Only difference is the motor number -- AR00205*etc instead of AR00204*etc.
Finally, it is possible to run a 1900 engine with two liter carburetors. As a matter of fact the first 435 two liter engines were actually 1900 blocks renumbered. If one really wants to see how close 1900 and 2000 engines (and sportiva's too) one need only look at the part numbers in the two liter parts book. Any 2000 parts used also in the previous 1306 engines of 1900s have numbers starting with 1306. Same with parts in 1308 variety 1900 motors used also in two liters. And, of course, some of the oldest parts common also to early 1750 engines have those part numbers. Or see the parts numbers for bolts and nuts. Only if the parts in a two liter engine are used in that engine for the first time do the parts start 102.02 etc.
[B]JAY NUXOLL [/B][EMAIL="
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"], seriously Alfa diseased and ancient OLD Two Liter Lover, put together Seattle area's Northwest Alfa Romeo Club in 1965, and still feebly tries to tend a teeny sacred flame to his serpent mistress in the [B]ALFA G'RAJ MAHAL[/B], a home garage temple with more Alfa cars and parts than he dare list because of the disapproval of his shamed and chagrined family. (425) 641-2600.