View Full Version : Holley Carb idetification
harbormaster
05-11-2004, 08:10 AM
I have a Holley marine carb, like new that was donated by a group of registry members. I need to identify the cfm. it has vacumn secondaries.
On the air horn is stamped 63MB.
Where do I go from here? Anyone interested in buying it?
Rootsy
05-11-2004, 08:29 AM
are you sure there are no more numbers stamped on the front of the choke tower? what you provided isn't a list number...
once we have the list number you can view a pdf that holley has online which will show ALL list number for holley carbs and what originally came inside of them... as well as model, cfm, etc etc...
http://www.holley.com/HiOctn/ProdLine/CarbList.pdf
harbormaster
05-11-2004, 09:05 AM
heres whats on it
986471
LIST-80310-1
1681
I did not see it in the Holley document.
BUIZILLA
05-11-2004, 09:35 AM
HM, the first number is an OMC number, it is specific for a 454 King Cobra setup, could be a 330-340 hp, doubtfully higher hp than that....
Holley shows it to be a model 4175, spread bore, 650 cfm, vacuum secondary. Single fuel inlet, should be on the throttle arm side??
J :cool:
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