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1. 

   Changing over to a part time 4WD and fuel economy.

   Well seems like some of us have seen a bump in economy and others have not, which pins back to the OP's questions that a PT swap should not be looked at as a viable option to increase fuel economy. If you get 1 extra mpg then hooray but don't expect it.

   • Words: 52
   • SmokingRocks
   • Post #54
   • Jun 1, 2022
   • Forum: 80-Series Tech
2. 

   Changing over to a part time 4WD and fuel economy.

   Dave, I've been in 2wd for the past half a year via drive shaft out until I have time to get the PT swap in. I've got other projects in front of it including rebuilding a 1fz-fe from someone else, rebuilding my E30's clutch, painting it, selling it to buy an S52 swapped E30 touring, selling my...

   • Words: 450
   • SmokingRocks
   • Post #53
   • Jun 1, 2022
   • Forum: 80-Series Tech
3. 

   Changing over to a part time 4WD and fuel economy.

   Yea it's kinda surprising but anything more than 5-10% city driving and it seems as though the percentage of highway driving isn't enough to balance out the gains. If you have lower speed highways (55mph-65mph) you'll see better numbers than if you are blowing through Utah at 80.

   • Words: 50
   • SmokingRocks
   • Post #49
   • May 31, 2022
   • Forum: 80-Series Tech
4. 

   Changing over to a part time 4WD and fuel economy.

   You will see about 1-2 mpg increase when road tripping a 2wd cruiser vs a full time 4wd version. I’m talking 2 tanks of gas back to back (500 miles) of strictly highway driving. Idk bout you guys but an extra 25-50 miles per tank is a benefit on long road trips. Plus, if you’re running over...

   • Words: 230
   • SmokingRocks
   • Post #47
   • May 31, 2022
   • Forum: 80-Series Tech