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I had 3. 73's and went to 35" tires and truck did not run as good down low and mileage went down. I added 4. 10 and truck runs alot better, almost the same ratio as original tires with 3. 73's. MPG went up around town and about same as stock on hwy.
Which version of the new April 17 th updates are you using? How does it compare to what you had before?
I have been reluctant to update due to all the comments on forums about people wanting the origional sioftwares back. I bought my smarty based upon research on forums and all the talk...
I put 35 Toyo MT's on my 06 CTD with auto and truck did not run near as well down low. Mileage was way off due to spedo being off. Added 4. 10's and Smarty and mileage on highway at 65mph is 20 and tuck runs great.
I have a Smarty and I get about 32# max boost. I have been reading other threads on the smarty and boost fueling and want to confirm if I understand them. This is what I think after reading lots of threads and the download info from Mad's.
The stock smarty program does not boost fool. You...