ZENITH CARBURETOR INFORMATION

   Model 68  Model 267
 Engine Size CID  25-170   100-250
 Choke Bore    1.376 inch   1.644 inch
 Zenith Size  SAE Size  Actual Size  Actual Size
 7  7/8"  1.024 inch  N/A
 8  1"  1.181 inch  1.181 inch
 9  1"   N/A 1.297 inch
 10  1 1/4"  N/A  1.417
 Venturi Diameter    14-24 mm  18-30 mm
 Fuel Inlet Fitting    1/8"-27 pipe thread  1/8"-27 pipe thread
 MOUNTING HOLE SPACING      
   Size 7  2 1/4 inch  N/A
   Size 8  2 3/8 inch  2 3/8 inch
   Size 9  N/A  2 3/8 inch
 

 Size 10

 N/A

 2 11/16 inch

UNITS AVAILABLE

12522, 68JU8, 68JU8 means Series 68, (J) Back suction economizer, (U) universal replacement, special flange c.c. (8) size 8, 1"
13922, 68-8, 68-8 means series 68, size 8. Replacement of Ford Model A.
14991, 267-8, 267-8 means series 267, size 8 with 21 mm venturi
14995, 267-8, means series 267, size 8, with 23 mm venturi
Bodies of the 68 and 267 series are die cast. Series 61,161 and 62 a have iron bodies. No information on these.

 

 Durant Motors Engine Size CID
 Durant 4 cyl 1926 and earlier  200.5
 W4 (we believe this right)  130.4
 W5  152.1
W8  200.4
 14L  169.3
 14L & 15L used on Durant D-60  185.0
 15U & 20E  248.3
 22A & 22AA  199.1
 22A used on 1932 Frontenac  214.7

Information supplied by Robert B Porter