Motorcraft 2bbl cfm
 

I was wondering if anybody knew what cfm the motorcraft 2bbl carb was, that came stock on a 351 cleveland. There are numbers on the side of the carb that say: M91239

Here is a picture of the carb:

http://forums.mustangworks.com/attac...&postid=197236

And does anybody know how to tune the carb for better performance? Thanks

I know tis will seem lik an ignorant question, but are you sure that it is a MotorCraft?? I just checked in my Chilton and it shows either a autolite (which I have and hate..) or a MotorCraft. Both models are 2100, motor craft being 2100D....

as to tune up I could just re-type the section out of the book for you... If no one can give you good simple advise before tomorrow at noon or so, Ill type it out for you and Email it to you.

Mike

yeah the carb says motorcraft right on it.

That will work for me, what book is that you have? Tomorrow im also going to go through all my shop manuals and see what i can find, last time i checked i couldnt find anything on the carb...

thanks mike

I believe that hte Clevands came with the 500 cfm carb wouldn't swear to it though I know the big blocks did. if you will measure you throttle plate bore I will try and find some of my old 2-v's and measure the bore to see which is which 500 or 350.