cant decide which to get for my 05 cummins. I know the smarty is a great chip but I like the on the fly tunes and guages the edge cts has. Has anyone used the edge juice with attitude? Is it any good? I could get smarty and get edge cts just for the gauges but thats really expensive. My question is I know the tunes on the smarty it has 30 60 90 and 130 horse tunes. Which tunes are safe for a truck with only 4" pipe and CAI. Also which is best for economy, heavy towing, and race. thanks

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Also what is the with and without timing on the smarty programmer mean?

 

I have ran both on mine. Go with the smarty. I liked it alot better then the edge. Now im running efi live and like it better then the smarty but if yours is an 05 thats not an option yet. Without timing is for stacking with a box.

Sent with a Droid RAZR in one hand and 14,000 volts in the other.

 

So I should only run tunes with timing?