When To Shift?


Biggfoot44

Member
Joined
Jul 6, 2019
Messages
43
Reaction score
6
Points
8
Location
USA
Vehicle Year
1994
Make / Model
Ranger 2wd
Transmission
Automatic
Fascinating spreadsheet ! Kind of hard to read the sheet and graphs on my phone , when I get to real computer , I'll print them out .

Not surprisingly , as illustrated in this thread, the biggest factor is personal preference . Really flat torque curve w/ 220-225 ftlb from 2200-3500 is very forgiving . Unless you are towing @ max GCVW or drag racing where you need max HP , it's uncritical .

Just to put into context , even @ 1000rpm , the 4.0 ohv is putting out 20% more torque than the 3.0L . With my '91 Explorer ( 4x4, 3.73 ) I've just left it in Drive and never felt shortchanged . Now with my Ranger ( '94 2wd, 3.0L , 3.42 ) I suspect will be a different experience .
 


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