Thread: speedmaster aluminum heads
View Single Post
  #96  
Old 12-03-2023, 10:22 PM
Bill Eveland's Avatar
Bill Eveland Bill Eveland is online now
Ultimate Warrior
  
Join Date: Apr 2004
Location: Glasford Il
Posts: 3,659
Default
See post 66.

Quote:
Originally Posted by Johnny406 View Post
Does anyone know what the valve spring open/closed pressure is on the SM HR heads?

__________________
Illinois Outlaw Gassers

6.27@107
9.97@131
Reply With QuoteReply With Quote
The Following User Says Thank You to Bill Eveland For This Useful Post: