View Single Post
Old 07-21-2010, 10:24 AM   #16 (permalink)
comptiger5000
Master EcoModder
 
comptiger5000's Avatar
 
Join Date: Feb 2010
Location: CT, USA
Posts: 544

RaceJeep - '98 Jeep Grand Cherokee (ZJ) 5.9 Limited
90 day: 13.62 mpg (US)
Thanks: 1
Thanked 26 Times in 23 Posts
With 8+ psi of boost, even with the low compression (although it depends on the cam somewhat), you'll probably start pinging before you overshoot the optimum timing.
__________________
Call me crazy, but I actually try for mpg with this Jeep:



Typical driving: Back in Rochester for school, driving is 60 - 70% city
  Reply With Quote
The Following User Says Thank You to comptiger5000 For This Useful Post:
Meph (07-21-2010)