79 3/4ton fulltime help
hi have a 79 3/4 ton with the np 203 case at , 360 engine myers 8 ft plow , have seen a parttime lock out hub kit for 1/2 tons , is there one for the 3/4 , or any way to make it partime , gas mileage is 10.3 per gallon empty or loaded , turing all that front hardware has to hurt mileage some dana 44 front dana 60 rear with 4.10 and posi in rear thanks for any input wv ram
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since nobody else chimed in. I'll try'n help. your truck should have the full-time front axle. meaning a non-floating unit. this would require you to change spindle ends and axles, so that you can have an un-lockable front-rear.
Next you'll have to swap out the np 203 case for a 208 or preferable a 205. if not you'll have to run the 203 in the locked position. Which means you're still turnin the axles. Best bet would be, find a doner truck that has all the parts. It was right around '80 '81 they changed to the np 208 and full-floater front axle. Anything up to 88 should work fine. |
By the way, with a 318, 3.90s, 727 in my 89 d250 . . . it gets 12 mpg.
Check out the sticky on gas mileage. With the big 4.10s and a sail on the front, 10mpg is a miracle. Especially with fulltime 4x4. |
The np203 is the same for the 1/2 and 3/4 trucks. I put one in my 77 dodge and its an easy install.
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