I ran Jacobs on my 3.0 prior to the tragic traffic incident. It was the most expensive <1mpg and ~3-5hp at low rpms that I could have bought. A hot coil would have done as much.

Ignition is not where the inefficiencies in the 3.0 hide.

-Bill
'87 4Runner w/ '96 5VZ-FE, 'Red Chili II'
'97 Taco XtraCab 3RZ-FE, 'BlackBean'
TLCA # 13257, Rising Sun 4x4 Club Land Use Coordinator
"He who stops being better stops being good." -Oliver Cromwell