273 Mopar heads, stock or Eddy? - Page 2

Chipper Chapman · 12-22-2023, 09:09 AM

Quote:

Originally Posted by 66formulas

What is the catalog number for the Eddy heads. The one listed on nhraracer are big valve heads. Do you have to put smaller seats in the head?

Yes you have to change seats and the make the runner the same size as OE head you're replacing. Next question becomes how to do that legally!

Paul Wong · 12-22-2023, 12:43 PM

Quote:

Originally Posted by 66formulas

What is the catalog number for the Eddy heads. The one listed on nhraracer are big valve heads. Do you have to put smaller seats in the head?

Yes. Get out the wallet. I have a set and the work it takes is not rational. Look at the CC numbers and get to thinking about that for a minute.

David Lee · 12-03-2023, 05:28 PM

Quote:

Originally Posted by Roy Scribner

Hi folks, I'm collecting parts for a 273/235hp J/K/L Stock class Valiant and would like to know if I should stock up on factory heads or are the Edelbrock's the way to go? I have access to the factory heads but I hate to spend the money if they won't be used. Thanks!

ask shane over at Precision Cylinder Heads