Engine/Transmission (1994 - 1998) Stock Injectors

[RWorth]

When running stock injecotr and #11 TST plate I enjoyed increase in pulling power and 18 to 19 mpg. Like everyone else I wanted to go for some more power I traded the #11 plate for the #10 TST plate again enjoyed the increase in power and still having good fuel mileage. Then I removed the stock injectors and installed the DDP 75Hp injectors and mpg went down even with normal driving. I ran the #10 plate and 75Hp injectors for a while but pulling temps and mph cause me to go back to the stock fuel plate. I guess I was hoping to see an increase of mpg. Now with the fuel change to meet the EPA requirements could this be apart of the cause in the decrease of fuel mileage summer and winter. Has anyone seen a decrease in the fuel mileage due to the rolling resistance of the tires even if they are 265x75.

I am thinking of having my stock injectors checked and re-installing them to see if my fuel mileage will increase.

Has anyone else experienced this and thought of doing the same thing?


BTW I hope everyone had a great Thanksgiving.

 

[hsmith]

What a coincedence. I ran the same trail as you and am now with the #10 and DDPII's. Towing mpg is still good, but have to keep watch on the egt's. May have dropped a bit empty, but I blame that on the right foot. Just have to feel the power sometimes.

I may go back to the #11 plate, but am going to stay with the sticks.

 

[BigPapa]

I first put a used set of 215's in mine before I put the #10 plate in. Slight increase in power and MPG's. The #10 gave more power and no loss or gain in MPG's. I recently installed a set of DD3's, from what I can gather from past post's these are basically the same fueling as 370's with a much more efficient spray. They bumped the power to the point I could slip my Con-O at will. I pushed the plate back about 1/4" and no more clutch slipping unless I get on it with a large load in 4th or 5th gear. MPG's stayed the same at a steady 23MPG empty.



Scott