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Quadrajet Carburetor
Cadii!ac's four-barrel carburetor is engineered to
combine sensational performance with economy
and smooth operation. The two small primary bar-
rels precisely control the air-fuel mixture at low
engine speeds to give smoothness, positive re-
sponse and fuel economy. Depress the accelerator
and the two larger secondary barrels provide in-
creased air capacity for excellent performance.
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Fuel Pump
The new Cadillac fuel pump for 1969 is of a simpli-
fied design and considerably improved. The larger
fuel reservoir and larger %" diameter fuel line con-
necting the pump to the carburetor means more
uniform fuel flow to the carburetor for improved
resistance to vapor lock. This more simplified design
now permits attachment of the fuel filter at the
carburetor inlet.
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Crankshaft And Pistons
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The sturdy, dynamically balanced crankshaft for
1989 is a nodular iron casting supported by five
main bearings that have an exceptionally fine sur-
face finish for added durability. Lightweight alu-
minum pistons provide smooth engine operation
under all driving conditions. The two compression
rings are molybdenum-coated for longer wear
characteristics. The oil ring is chrome plated for long
life and better high-mileage oil economy.
F-2
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