Section G-223 · Pages 11–14 (4 pages)

426 Engines: Holley 852-FFG (G-223)

From the 1950s GMC Holley Carburetor Spec Sheets

The Holley 852-FFG for the GMC 426 engine in HC-640 and HCR-640 trucks, part numbers R-619A and R-924A, with the Holley 1174 governor control valve 79R-81A. The sheet gives carburetor specifications (main jet No. 63, governed speed 3040 rpm), engine specifications for the 426, an exploded view of R-619A with R-924A differences, and a parts list of 100 index numbers.

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What this section covers

  • Application data: R-619A, R-924A
  • Governor control valve 79R-81A
  • Carburetor specifications
  • Engine specifications for the 426
  • Exploded view and parts list
Make
GMC, Holley
Models
Holley 852-FFG, 885-JJG, AA-1, 1904-FS/HS, 4000-G, 4150-G; GMC 248 to 503, V-324 and V-370 engines
Publication
Form G-1 (contents, 6-57); sheets G-220 to G-250, G-4300, G-4325
Pages
80

What’s inside

Contents

  1. G-1Contents: Carburetors by EngineHolley's June 1957 index (Form G-1) lists each GMC carburetor part number with its catalog form, then tables by engine (248, 302, 318 and 360, V-324, 360, V-370, 426 and 503) giving vehicle series, Holley model and part number; page 2 lists 1946–1951 truck and coach carburetors and sandwich governors.pp. 1–2

Carburetor sheets

  1. G-220318 and 360 Engines: Holley 852-FFG (G-220)pp. 3–6
  2. G-2211955 360 Engine, Model 600: Holley 852-FFG (G-221)pp. 7–10
  3. G-223426 Engines: Holley 852-FFG (G-223)pp. 11–14
  4. G-225503 Engines: Holley 852-FFG (G-225)pp. 15–18
  5. G-2261955–57 503 Engine, 630-50 and 660-50 Series: Holley 885-JJG (G-226)pp. 19–22
  6. G-2271955 426 Engine, 620-42 and 630-42 Series: Holley 852-FFG and FFGC (G-227)pp. 23–26
  7. G-228503 Engine, 660 Series: Holley 852-FFG and FFGC (G-228)pp. 27–30
  8. G-230302 Engine: Holley AA-1 R-660A (G-230)pp. 31–34
  9. G-235302 Engine: Holley AA-1 R-855A and R-927A (G-235)pp. 35–38
  10. G-2371955 302 Engine, Cab Forward 500 Series: Holley AA-1 (G-237)pp. 39–42
  11. G-240248 Engine: Holley 1904-FS (G-240)pp. 43–46
  12. G-243270 Engine, 140 hp: Holley 1904-FS and 1904-HS (G-243)pp. 47–50
  13. G-2451955 V-324 Engine, 550 Series: Holley 852-FFG and FFGC (G-245)pp. 51–54
  14. G-2461956 V-324 Engine, 550 and 650 Series: Holley 4000-G (G-246)pp. 55–58
  15. G-2471957–58 V-370 Engine, 550 and 600 Series: Holley 4000-G (G-247)pp. 59–62
  16. G-248503 Engine: Holley 4150-G, Issue 1 (G-248)pp. 63–66
  17. G-248503 Engine, 630 and 650 Models: Holley 4150-G, Issue 2 (G-248)pp. 67–70
  18. M-2301960–62 Mercury and Comet Six: Holley 1904 and 1908 (M-230, misfiled)A Holley sheet bound into this set by mistake: Form M-230 (July 1962) for 1960–61 Comet 144 and 170 cubic inch and 1961–62 Mercury 223 cubic inch sixes with 1904 and 1908 carburetors, giving application data, kit numbers, specifications and a parts table.pp. 71–74
  19. G-250305A V6 Engine: Holley 1904-HS (G-250)Issue 1 (October 1959) of the sheet for the Holley 1904-HS R-1915A on GMC 1000 through V3500 models with the V6-305 engine: application data, specifications, bowl vent adjustment, exploded view and parts list.pp. 75–76

Governor sheets

  1. G-4300, G-4325Truck and Coach Sandwich Governors (G-4300 and G-4325)pp. 77–80