Holley 4160 (Except 327")

1966 Chevrolet Chevy II Base, 2D Sedan, 3.2L Eng, Not Available TransSECTION Holley 4160 (Except 327")

2000 RPM with cam follower on high step of fast idle cam.

AUTOMATIC CHOKE SETTING

Rochester 4GC Index
All Others (1)
(1) With choke valve closed and choke rod pulled up against stop in housing, top of choke rod end should be 1/2 I rod diameter above top of hole in choke valve lever (interference fit). Bend choke rod to adjust.
FUEL PUMP PRESSURE & VOLUME

427" 425 HP 7-8 1/2 lbs. at 450-1000 RPM
All Others 5-6 1/2 lbs. at 450-1000 RPM
RENDER: 1.0x

NO RELATED

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Pair factory procedures with proven DIY tools so the instructions are easier to execute.

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.