Holley How To

RaniDart70 said
subscribed so i dont lose this thread.

so where do i need to look for numbers?? or what am i looking for to tell them apart?

Look on the air horn as shown below.

Then look up the number in the charts here. The part number is also known as the "List" number". It is usually 4-5 digits long. Use the list number to look it up in the charts here:

http://www.holley.com/data/TechService/Technical/Carb Numerical Listing.pdf

And here are some exploded view diagrams for the different series carbs:

Technical Service and Documentation

And some "How to" videos:

Video Blog Posts - Page 1