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C H A N G E S IN T H R O T T L E VALVE H O U S I N G S A N D I N T A K E M A N I F O L D S
Beginning with the 1972 models, throttle valve stops in the throttle valve housing are relocated to
the lever side. The new levers require the use of modified protractors, special tool P 228 c .
The protractor on the injection pump control lever has not been changed. The correlation checkout
procedure remains same (see page SF 22).
The intake velocity stacks are made of plastic. They form a single unit together. with the lower
air assembly.
C O L D S T A R T E N R I C H M E N T S Y S T E M C H A N G E S
Fuel for cold start enrichment now is fed directly into each individual velocity stack.
The discharge nozzles are bonded and can not b e exchanged.
D e s c r i p t i o n
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