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Signman · 09-03-2014, 02:28 PM

11 is pretty fat even if you want some fuel there for the load. Lean it out to 12.X and see if it picks up.
A good tuner would get you in the ballpark in a few pulls on a chassis dyne, know it's a hike but Danbury Chassis Dyno is very good.

09-03-2014, 02:28 PM	#3
Signman Senior Member Join Date: Oct 2003 Location: Lower Slower Delaware Posts: 535 Likes: 22 Liked 269 Times in 99 Posts	Re: Ls1 tuneup help 11 is pretty fat even if you want some fuel there for the load. Lean it out to 12.X and see if it picks up. A good tuner would get you in the ballpark in a few pulls on a chassis dyne, know it's a hike but Danbury Chassis Dyno is very good. __________________ Frank Ferrucci I/SA 1271 "Be Thankful for the Gifts You are Given"