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Old 12-26-2009, 06:03 PM
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Default smarty jr

is anyone running one of these?
i have a 05 5.9 cummins and was wondering if it's worth it for milage and power gains
thanks
matt
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Old 12-26-2009, 06:18 PM
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Cast, I run a '07 5.9CTD with the Jr. set at 100HP .

I'm not going to claim any mileage gains but the truck prefomes best I believe with the 100HP tune .

My 5.9 had PLENTY of power stock then I rode in w5it's truck and that was a bad thing, I guess I'm a POWER junky.

I also have a after market Clutch [ Valair Kevlar single disk ] it's good for 600HP and a 1000foot pounds ON THE GROUND.

I'm still running the Cat but the muff is M.I.A. and I have a S&B cool air intake

There are other cool things the Smarty Jr. can do to your truck ........
#1 adjust the wheel size
#2 adjust timing and injection
#3 POD, Power On Demand, able to select power from 0% to 99%
#4 the Jr has 3 available HP settings , 40-70-100 HP
#5 Does NOT leave a foot print in your ECM
#6 Lower EGT's
#7 The MPG is in your right foot , period.
#8 if you have a Auto trans it can enable the Manual High Idle.

and more .

If you lived close I would pull mine out and let ya try it , most Smarty owners will play with ya.

If you don't want one ..........DON'T INSTALL IT ........LOL
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Old 12-26-2009, 06:35 PM
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too bad i sold one not long ago and i am local! well worth the money.is your truck all stock otherwise?you will need to be careful if it is a auto or a stock clutch in a stick i could slip my clutch in sixth gear pretty easy with the smarty jr but it def helped fuel and responsive throttle. run the 60hp setting and you will be very happy.
scott
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Old 12-26-2009, 07:44 PM
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Smartys consistently one of the smoothest tuners for a CTD, chose either the Jr or Sr (on my 03) and you will be happy.
Like welder said they have plenty of options to play with but be careful with the higher tunes if you have a stock auto, the stock clutch can usually handle the Jr but the Sr will put a world of hurt on either in the higher tunes.
As for mileage.................all programmers increase mileage because you get there faster
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Old 12-27-2009, 05:36 AM
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the only "mods" on my truck is an airaid filter and a 5" turbo back from magnaflow which did help
more power is always better but i wouldn't mind saving some money at the pump as well
mine is an automatic does the smarty jr help shift points?
thanks again
matt
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Old 12-27-2009, 06:24 PM
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The Jr. does not change the shift points and with the stock auto trans the 100HP tune can/will twist the input shaft off if ya run with your foot in the injector pump.

And to the other poster above , the stock clutch WILL be burnt with the 70HP tuner running in the hills with the cruz control on [ Ask me how I know] I am now good friends with a Valair clutch at 13K miles . LOL Take the CC off in the hills as the CTD WILL RUN what you tell it to and stock clutches don't like that.

So then I read the RAM owners manual and it says DO NOT USE THE CRUZ CONTROL IN THE HILLS WITH A FULL LOAD [ With the OEM set up , Read stock set up ]
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Old 12-28-2009, 07:40 AM
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Welder: As you know towing heavy in the hills and just driving around are two different things. When my 03 NV5600 clutch was fresh it lasted a little over a year with the Smarty Sr on 7 (140hp) but I only ever pulled 5k and that was less than half a dozen times and never lugged it hard in a higher gear or slammed shifts. However a little pressure from the Dr Performance box stacked with the Smarty or the 170hp tune from the Smarty alone quickly made it slip. The Smarty Sr is only 100hp tune so the stock components condition and how its used will make the difference to the life it lasts. Your stock clutch may have been weak to start with, was it a NV5600 or 4500?
As for the autos the input shaft is of no real concern (no I'm not saying it cant be done, but its unlikely) until the converter is changed and then in most cases we see the output as the weak link. The stock auto will handle the Smarty fine for just driving around if a little common sense is used and its not already fried. Turn it down when pulling heavy and don't lug it at anytime, the big thing with the Smarty is it changes the rate of fuelling over the lame duck program the factory uses so the torque comes on hard and fast.
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Old 12-28-2009, 02:04 PM
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so are you saying with the JR i could blow the tranny (auto) on the 100hp setting what about the the 70hp i don't pull that heavy but i can't say i won't have fun with the extra hp but mainly looking for mileage
the boat is trailered under 8k should i worry and stay stock? it's my only daily driver
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Old 12-28-2009, 02:23 PM
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You hear many things about programmers. Most of the things I heard were in direct conflict with the other half of the things I heard. I went to dieselram.com and searched and then asked. The concensus was that if I wasn't towing daily and towing a LOT of weight and didn't want to be constantly fiddling with it (like extra guages, bigger intake, bigger exhaust) then I would be best served leaving it stock. The trade off is a little more in fuel cost vs more repairs that potentially could be very expensive. It's my daily driver and I tow my max 2,000 lb boat with it and my 8,000 lb camper, sometimes both at the same time. I left it stock. In 20 or so years I hope to still be driving it, unless the MYT engine hits the market.
Mike
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Old 12-28-2009, 04:44 PM
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castalot as you know there are no definite or absolutes in the performance world, but we do see trends over time. I would answer your question differently if you told me your trans had 50k or 150k to start with?
Generally though an auto thats not sacked already will not be too affected with the Jr but yes the extra power will eventually hurt the entire drive trains life, how much hurt is relevant to your right foot.
Things like jumping on the throttle hard from a start and lugging in the higher gears are hard any trans or clutch as is beating on anything with cold fluid.
Nice thing about the new electronics are your only seconds away from de-tuning your rig so when you tow dial it back, put the 30hp tune in and be happy. Beat on it with the 100hp tune and you will do some upgrades for sure. You know the deal you gotta pay to play.
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Old 01-01-2010, 09:50 AM
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thanks guys i guess it's time to start saving some money and get one

if anyone else has any input i'm all ears well i guess eyes
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Old 01-03-2010, 03:06 PM
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a
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Old 10-14-2010, 06:20 PM
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Just go one 70hp tune what a difference it's like a new truck runs smoother and seems to be sipping fuel going to do a mileage check next week
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Old 10-14-2010, 08:10 PM
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70hp and 150 flbs of torque
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