How JustAnswer Works:
  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site.
    Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.
Ask Mike S. Your Own Question
Mike S.
Mike S., Classic Car Mechanic
Category: Classic Car
Satisfied Customers: 7081
Experience:  A.S.E. certified with 25+ years experience.
20625509
Type Your Classic Car Question Here...
Mike S. is online now
A new question is answered every 9 seconds

I have a 289, 2barrel on a 1967 mustang. Im trying determine

Customer Question

I have a 289, 2barrel carburetor on a 1967 mustang. Im trying determine the proper cfm for a replacement
JA: Are you fixing your Mustang yourself? What have you tried so far?
Customer: No Im not doing the work myself. Ive only tried an internet search
JA: Anything else you want the mechanic to know before I connect you?
Customer: thats it
Submitted: 5 months ago.
Category: Classic Car
Expert:  Mike S. replied 5 months ago.

Hi, I am Mike, welcome. I'm reviewing your question.

Expert:  Mike S. replied 5 months ago.

CFM = (RPM x CID)

Expert:  Mike S. replied 5 months ago.

Oops forgot the / 3456, so it's CFM = (RPM x CID)/ 3456

So for instance the 289 x let's say 4,000 rpm would be 1,156,000 divided by 3456=334 cfm

Expert:  Mike S. replied 5 months ago.

Did that answer your question? If so, kindly leave me a positive rating, so I get credit. After all, you have already made the deposit.

Related Classic Car Questions