Thread: what yall think of this old/new ultradyne roller
View Single Post
  #10  
Old 11-02-2025, 09:46 AM
Jay S's Avatar
Jay S Jay S is offline
Ultimate Warrior
  
Join Date: May 2018
Location: Nebraska City, Nebraska
Posts: 2,584
Default
I should have clarified, the 620 to 640 HP with 320-330 cfm heads would be for pump gas. Built for E85 you could likely add 10% on top of that. At very least 5%.

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