Thread: Casting 16 head Z code
View Single Post
  #9  
Old 08-16-2023, 12:28 PM
242177P's Avatar
242177P 242177P is offline
Ultimate Warrior
  
Join Date: Oct 2004
Location: Vancouver, BC
Posts: 1,873
Default
Quote:
Originally Posted by Aluminum Chief View Post
In 67 Z was for HO & X is Ram Air.
Nope, mine are stamped O. 400HO/auto. IIRC, your HO is a stick? 744 needs more spring, enter the X.

Reply With QuoteReply With Quote
The Following User Says Thank You to 242177P For This Useful Post: