Bolt on Throttlebody suggestions

[Alan Barrow]

Grant writes:

> Are the GEO Metro~Chevy Sprint 3cyl 1.0 liter systems available? Early
> systems were fuel only W/HEI distributor. I'm thinking of them for use on
2cyl
> "boxer" motorcycle engines.

Could not find one of these at the junkyard today, but saw it in a manual.
They are 1bbl, and appear to be rochester/GM units. Looks like a smaller
version of the typical GM units found on the 2.8-4.3l engines. The downside
is that the GM units all seem to be a single circular barrel. For the 4
cyls, they use a "candelabra" type intake with unequal length runners
fanning out from the single flange.

The displacement is certainly in the right range, however. I'd prefer to
find a non-progressive 2bbl, as my intakes flanges are setup that way. But
if I fabricate an intake they could probably work. Should be cheap enough,
as well!

I saw a very similar TBI on a small Pontiac LeMans as well, which also makes
me suspect these are rochester/GM.

Thanks again for the tip!

Alan

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