What should the engine vacuum be for 53 CJ3B 4cyl 134F engine.

Asked by Jun 15, 2014 at 01:33 PM about the 1953 Jeep CJ3B

Question type: Maintenance & Repair

134F engine pulls 14 inches of vacuum at idle, with the choke fully engaged. The engine dies when the choke is disengaged.

1 Answer

66,115

At sea level around 21 inches. Sounds like you have a pretty substantial vacuum leak. HTH. -Jim

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