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You can run the Atlas 80 with no additional tuning/injector upgrades but that's as high as people say to go. You are going to want something better than stock exhaust as EGTs will be raised. Could be fine driving empty, probably not towing
Should also get something to monitor EGT's. You will be shifting less towing up hills, so the gases won't scavenge out the *** end as quickly as they might otherwise.
Some folks will downshift manually to keep RPM's up a little bit.
With stock injectors and turbo you eventually run out of headroom in tuning for power. I'd personally rather start lower on the FICM side and adjust power with an PCM tune, because I had to have an PCM tuner (tire size adjustments and EGR valve CEL) and didn't want to buy a second FICM programmer to adjust the baseline on that side. Hence I use Atlas 40 + SCT tuner.
With stock injectors and turbo you eventually run out of headroom in tuning for power. I'd personally rather start lower on the FICM side and adjust power with an PCM tune, because I had to have an PCM tuner (tire size adjustments and EGR valve CEL) and didn't want to buy a second FICM programmer to adjust the baseline on that side. Hence I use Atlas 40 + SCT tuner.
The problem with that scenario is that the factory flashes after VXCF5 ripped out most of the headroom in the FICM. It's one of several reasons why newer trucks don't respond as well to tuning as do older trucks. The stock PCM tune uses nearly everthing that the VXCF5+ FICMs have left. This was CYA on Ford's part, to stem warranty claims. All that headroom gave the tuners a LOT of ground to work with.
If you want to get the skinny, do a deep search back to 2007-2009; it was extensively discussed around here for a while.
Everything I have read about the Atlas series of FICM tunes is that they put back what Ford ripped out.
I'm saying Atlas 40 + VXCF4 is a better baseline to add PCM tuning to than starting with Atlas 80 + VXCF9 and putting in a PCM tune that doesn't really do anything.
You can take the power back down by putting in a stock PCM tune to lower EGTs more when you're towing with 40 than 80, unless you own the FICM tuner with all 4 options. I don't have the FICM programmer so I see the FICM tune as a permanent increase, which caps towing weight due to EGTs.
The Atlas 80 tune will override the PCM tuning, why they don't mix well. PCM+Atlas 40 is a great tune with good fuel increases and why everybody running it says they have restored power and MPG.
I'm running PCM tunes from Gearhead... SLR Extreme (race tune) and the Atlas 40 FICM tune and getting 15-16.5 in town and 21.5mpg on the highway as my daily driver.. no towing. I did call Matt at Gearhead... his reply was, if you load Atlas 80, it will override the PMC fuel commands. I've considered loading it, but there is more to PCM tuning than just fuel, like transmission and EGT control.
Better have an aftermarket exhaust for better flow helping keep EGTs down.
There are plenty of people running all of the combinations discussed here with success.
The big thing to remember is that with tuning comes higher EGT's and more pressure on the transmission. This is the basis for our suggestion to look at EGT monitoring and transmission solenoids as good steps forward.
There are plenty of people running all of the combinations discussed here with success.
The big thing to remember is that with tuning comes higher EGT's and more pressure on the transmission. This is the basis for our suggestion to look at EGT monitoring and transmission solenoids as good steps forward.
Because you need to install bigger exhaust and a reliable EGT kit, if going with the Atlas 80, why wouldn't you spend the extra $250 and just get the PHP tuner? New exhaust about $200 or more if you straight pipe, decent EGT kit is $150 or MORE, Atlas 80 is $150 = $500 or MORE (Especially if you upgrade solenoids). Might as well spend the extra $250 for the full tuner
Because you need to install bigger exhaust and a reliable EGT kit, if going with the Atlas 80, why wouldn't you spend the extra $250 and just get the PHP tuner? New exhaust about $200 or more if you straight pipe, decent EGT kit is $150 or MORE, Atlas 80 is $150 = $500 or MORE (Especially if you upgrade solenoids). Might as well spend the extra $250 for the full tuner
Certainly some do that, but buying a tuner doesn't magically mean that the truck is set up to handle the extra horsepower. For those that want the extra horsepower, the upgrades to the truck are necessary.
ordered the Atlas 40 tune 60 mins ago - hope to find out soon. Charging new batteries while I wait...
Ed, you sort the shipping out yet?
Not yet. To save some money on shipping, we've ordered what you wanted that would normally drop ship out to our shop so that it can all go in a common box for you. When it gets here, we'll box it up, get it weighed as a unit and then be in a position to get you the shipping total.
Certainly some do that, but buying a tuner doesn't magically mean that the truck is set up to handle the extra horsepower. For those that want the extra horsepower, the upgrades to the truck are necessary.
Ed
Thats what I was trying to say. If your going to do the upgrades, might as well get the tuner. The difference isn't that much when looking at the whole picture. But then again, it's not my money.