Underdrive pullies will help a little, but not a whole lot. The problem is, they slow down the water pump and alternator, which when keeping the rpms down for fuel economy can present problems, depending on low rpm alternator output, etc.
__________________
Call me crazy, but I actually try for mpg with this Jeep:
Typical driving: Back in Rochester for school, driving is 60 - 70% city
|