Mercruiser VS Rochester carb

rm2508j

Cadet
Joined
Jun 7, 2017
Messages
27
Hello everyone, I am new to this forum and boating in general. last year I bought a used 1993 Regal bow rider, I picked it up cheap as a fixer upper, she has "good bones" as they say! Since then I replaced the outdrive and just finished rebuilding the engine (3.0 Mercruiser), My question is which carb is a better option,The Mercruiser 2bbl or Rochester? I am currently having an issue w/ carb flooding. I had the Merc. carb rebuilt by a carb specialty shop last season. Post engine rebuild there is fuel dripping from the venturi when the engine is warm and shut down. I guess I shook some debris loose while installing or removing it. So, do I stay w/ the Merc carb and rebuild it again or is the Rochester a more reliable, desirable option? Thanks!
 

Scott Danforth

Grumpy Vintage Moderator still playing with boats
Staff member
Joined
Jul 23, 2011
Messages
50,347
Clean the crud out of your tank and re-clean your carb
 

rm2508j

Cadet
Joined
Jun 7, 2017
Messages
27
I gave that a thought but wasn't sure how to go about it since the tank is under the floor, also I believe there are 3 filters, 1 filter/separator, a filter in the mech. fuel pump and 1 in the carb inlet. just trying to figure out which is a better carb
 

R055

Chief Petty Officer
Joined
Jul 13, 2015
Messages
579
I gave that a thought but wasn't sure how to go about it since the tank is under the floor, also I believe there are 3 filters, 1 filter/separator, a filter in the mech. fuel pump and 1 in the carb inlet. just trying to figure out which is a better carb

The mercarb is exacly the same as a rochester 2g if I remember correctly.
 
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