View Single Post
  #18  
Old 12-04-2022, 06:30 PM
tom s tom s is offline
Ultimate Warrior
 
Join Date: Jan 2000
Location: long beach ca usa
Posts: 18,796
Default

When I build my 421 SD almost 25 years ago,used a 4 bolt 428 block,Armasteal crank,knife edged,nitrited.Carillo rods.Raced it for a few years shifting at 6200.Still in the car running great.Tom

The Following 2 Users Say Thank You to tom s For This Useful Post: