FREE HELP~FREE HELP~FREE HELP ~FREE HELP~FREE

WHAT CARBURETOR DO I HAVE AND WHAT REPAIR KIT DO I NEED?

FOUR CYLINDER AND SIX CYLINDER IN LINE ENGINES

MERCRUISER IN LINE ENGINES USE THREE CARB SETS

1) ROCHESTER STD 2 BBL

2) MERCARB STD 2 BBL

3) ROCHESTER 170 LARGE BASE 2 BBL

SIX OR 8 CYLINDER V ENGINES WITH 2 BBLS

ROCHESTER 2 BBL FOR V

HOLLEY 2 BBL FOR V FORD

SIX OR 8 CYLINDER V ENGINES WITH 4 BBLS

ROCHESTER Q JET 4 BBL

HOLLEY 4 BBL ON FORD

NEWER WEBBER 4 BBL

 

CARB KITS AVAILABLE

MOST IN LINE CHEVROLET MERCRUISER USES ROCHESTER UP TO

1985 WITH TWO IDLE MIXTURE SCREWS USE THE IMCK153

AFTER 1985 THE ROCHESTER WAS REPLACED BY THE MERCARB

WHICH HAD ONLY ONE IDLE MIXTURE SCREW ON THE SIDE AND

A LARGER BASE BOLT PATERN.  THE KIT IS IMCKMCU WHICH

FITS BOTH VERSIONS OF THE MERCARB WITH EITHJER PUMP

PLUNGER BECAUSE BOTH ARE PACKED WITH THE KIT

THE EXCEPTION WAS THE 2 BBL USED ON THE 170 FRESH

COOLED 224 CID MOTOR WHICH HAD TWO IDLE SCREWS BUT

THE LARGER BASE BOLT MEASUREMENT. IT USES IMCK224

FOR THE REPAIR KIT.

FOR V ENGINES WITH 2 BBLS

V CHEVROLET MERCRUISER WITH ROCHESTER CARBURETORS

HAVE A HOLLEY BASE AND USES THE KIT IMCK305.

SMALL BLOCK FORDS USE THE IMCK888 FOR 2 BBL

AND USE THE IMCK3514 FOR 4 BBL V 8 ENGINE FORD

FOR V ENGINES WITH 4 BBLS

V CHEVROLET MERCRUISER WITH ROCHESTER CARBURETORS

4 BBL Q-JET USE THE IMCK350U

LATER MODELS USE A WEBBER CARB AND USE THE

IMWBU

Last updated March 24, 2012