Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - 427 BBC tuning help
View Single Post
  #5 (permalink)  
Old 01-07-2012, 08:18 PM
454C10 454C10 is offline
Member
 
Last photo:
Join Date: Dec 2004
Location: San Antonio, Texas
Age: 50
Posts: 4,023
Wiki Edits: 0

Thanks: 0
Thanked 23 Times in 23 Posts
yes, low timing.

I would run 25 initial timing at 1000 rpms, 38-40 total mechanical in by 4000 rpms.

and use the vacuum advance if you drive it on the street. Use an adjustable vacuum advance canister set to 10 degrees.

The vacuum advance will not have much vacuum to work with due to the big cam. Will need at least 9 inhg which most likely will not happen that often. Maybe while driving down the highway or revving it up in neutral.
Reply With Quote