Pages 3–18 (16 pages)

Tune-Up: Mechanical Checks and Adjustments

From the 1956–1960 Chevrolet Corvette Chassis Service Operations: Engines and RPO Equipment

The static half of the tune-up program. It starts with compression testing, with minimum pressures for hydraulic and solid-lifter engines, then covers spark plug diagnosis, gapping to .035 in. and AC plug recommendations. Distributor service follows: point gap for single and dual-point distributors, alignment, spring tension and lubrication. Next come battery, fan belt and generator service, manifold heat valve and bolt torque, and the fuel filter. The section then gives Carter WCFB single and dual four-barrel linkage, choke, pump, metering rod and unloader adjustments, fuel injection cold enrichment settings, cooling system and engine mount checks, head bolt torque and valve lash.

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What this section covers

  • Compression test
  • Spark plug service and recommendations
  • Distributor points, dwell and dual-point distributors
  • Battery, fan belt and generator service
  • Carter WCFB single and dual four-barrel adjustments
  • Fuel injection cold enrichment settings
  • Cylinder head bolt torque and valve lash
Year
1956, 1957, 1958, 1959, 1960
Make
Chevrolet
Vehicle
Components and Systems, Corvette, Fuel Injection, Passenger Cars
Type
Service Manual
Models
Corvette V-8: single and dual four-barrel, Fuel Injection (7014800, 7014900, 7017200, 7017300, 7017310)
Pages
109

What’s inside

Front matter

  1. Foreword and Title PageThe foreword explains why the booklet was written, how its two sections are organized and which passenger car shop manuals to use alongside it. It says the booklet covers Corvettes from 1956 on. The title page names it 1956–1960 Corvette Chassis Service Operations.pp. 1–2

Tuning the Corvette engine

  1. Tune-Up: Mechanical Checks and Adjustmentspp. 3–18
  2. Tune-Up: Instrument Check-Outpp. 19–26
  3. Additional Checks and AdjustmentsTests to use when the tune-up turns up a problem or the owner has a specific complaint. The cylinder balance test grounds pairs of cylinders by firing order and compares rpm and vacuum. The fuel pump test checks volume and pressure. The cooling system pressure test looks for internal and external leaks.pp. 27–29

Regular Production Options

  1. Heavy-Duty Brakes and Suspensionpp. 30–33
  2. Close-Ratio Transmission and Engine ConstructionThe close-ratio three-speed transmission, which starts at the foot of the previous page, with its 2.2, 1.31 and 1-to-1 ratios and clutch gear removal sequence. It is followed by how each Corvette engine differs from the passenger car V-8: chrome-plated rings, five-quart oil pan, notched or domed pistons, and the special-cam engines' bearings and balancing. Valve clearance settings continue at the top of the next page.pp. 34–34
  3. Corvette 4-Speed Transmissionpp. 35–48
  4. Positraction Rear Axlepp. 49–55
  5. Fuel Injection: Fundamentals of Operationpp. 56–72
  6. 7014800 Fuel Injection Service Procedurespp. 73–95
  7. 7014900, 7017300, 7017200 and 7017310 Fuel Injectionpp. 96–103
  8. Fuel Flow Calibrationpp. 104–109