216 flywheels have a different number of teeth so it's necessary to keep it when using the foot starter and correct motor mounts in pre 1955 trucks. The ball position is different on the 235 flywheel as well due to timing differences between the 2. Hook the vacuum gauge to the intake where the wipers go and try the following:

http://www.centuryperformance.com/vacuum.asp

Good luck,
Curt B.

1952 1300 Canadian 1/2 ton restomod
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