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Discussion Starter · #1 ·
Threw some new Exergy 60 over injectors in the truck. I have twin turbo, lift pump, built trans and a tune from Idaho Rob, and i have a new updated tune from Nick at duramaxtuner.

The old tune from Rob was pre injector and has fuel mapped for the mods listed and runs very good... In fact it runs so good I retuned it back on the truck as it runs better than my updated tune from Nick...

How is this the case... And if i choose to keep Robs what are the risks?

My street and eco tune on robs are smokey... But the optimized stock and light tow tune on robs run awesome.

Havent checked fuel economy but if its over 15 im fine with it.

Nicks tune has very low boost and seems sluggish at low throttle to mid throttle. Seems like tune is good once i give it the hammer down.

Also Robs tune runs quieter... Pulse width change?
 

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I'd get some updated tunes from Rob. Or do some data logs & send them to Nick & see if he can dial in your setup. Seems like a no brainer with the description of how the truck runs
 
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