Scared of my FICM tune - Ford Powerstroke Diesel Forum
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Old 10-10-2013, 07:39 PM
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Scared of my FICM tune

Soooooo...my FICM went bad...sent it to ficmrepair.com (awesome company!)
Ed told me the dangers of the Hercules tune..but...more HP?? I have to have it!! lol...

My truck is stock in the way of modifications...except, I took the exhaust off...right now, the exhaust stops after the downpipe....

The new FICM should be here in a few days...I told Ed (while I tried to convince myself) that I would be easy on the truck...but I have no way to monitor the EGTs...and well...I am worried if I just did something that I have no way of controlling...did I just screw myself?

Thanks everyone!
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Old 10-10-2013, 07:42 PM
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You have no way of watching your EGTs? Do you not have gauges of some sort?
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Old 10-10-2013, 07:49 PM
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I currently have no way of watching my EGTs...I have no gauges..the truck is pretty much stock

(I know I need gauges though)
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Old 10-10-2013, 08:04 PM
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well hercules is not the first mod I would do. I would start working on reliability mods first... but since you already pulled the trigger.


It is very unlikely that you will melt your motor right away with just a ficm tune. Many run ficm tune plus sct tune and still don't have any problems. It is very important just to take it easy. Any 0-80mph at that level should be fine. I would not do 10 0-80mph runs in a row without letting it cool off. Also I would not tow anything heavy unless on flat ground for very short distances. If you see it dumping smoke for a long period of time then you need to let off and let the motor cool off.
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Old 10-10-2013, 08:05 PM
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short bursts of high temps usually do not cause any problems. It is the long sustained high temps that cause big problems
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Old 10-10-2013, 08:07 PM
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As I mentioned to Blizzard in another post, premature trans wear is another issue when running the motor at higher than stock hp/TQ without the trans being tuned to handle the extra power.

You will just need to take it easy and don't beat on it too much.


Sent from AutoGuide.com App
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Old 10-10-2013, 08:18 PM
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Thanks everyone for the replies!

I can be honest with myself..and you guys...I know I'll romp on it once in a while...but knowing that I'm now playing with fire...I will be a lot easier on the truck! Lilpooh...your earlier reply is what made me post this lol...you solidified my fear...(I do thank you though!)

I do haul stuff...in the bed of my truck...maybe between 1,000 to 2,000 pounds max...when I get hired to work on a film set and they rent my truck and its equipment...other than that, it is empty everyday..

The last truck I had (03' GMC Yukon Denali)...it was a beast...lots of power...tuned, modded...etc...but that truck ran a transmission that would hold up to a high level of mods before needing to be changed out...is that not the case in these trucks?

I understand they are heavy duty..and built to work/haul...and aren't designed for 1/4 drags...but are they a fairly week transmission?

Anyways...I'm searching all over, reading tons of "gauge" threads...Im guessing it's gonna cost around $200 just to purchase, install, and run a pyro? (even if it's temporarily mounted rather than in a bezel)
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Old 10-11-2013, 01:31 AM
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Buy once cry once.. Get an edge CTS as that will give you around 20 things out of the box you can monitor. Then add your egt probe and fuel pressure sender and you're set
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Old 10-11-2013, 01:35 AM
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If you tow or haul... Use the tow/haul and make sure you don't go into OD and your egt temps will be fine. Higher rpms equals more boost which lowers EGTs, but raises ECT and EOT. It's best to have gauges, but for now keep it out of OD while hauling up hills. Flat ground 1-2k lbs in the bed should probably be alright. It then again you have no clue how the oil cooler is doing... Get a monitor, ASAP! Even if its a app on your phone...
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Old 10-11-2013, 05:19 AM
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Quote:
Originally Posted by BlizzardX23 View Post
I took the exhaust off...right now, the exhaust stops after the downpipe....


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