Thread: Help identifying Super Duty or not
View Single Post
  #3  
Old 09-15-2022, 04:07 PM
Stuart's Avatar
Stuart Stuart is offline
Ultimate Warrior
  
Join Date: Apr 2003
Location: Minneapolis
Posts: 7,937
Default
135U is the engine code for a 405hp 421SD engine, manual transmission, dual four barrel carbs.

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