HD300 (H&S) - Ford Powerstroke Diesel Forum

6.4L Performance Parts Discussion What has or has not worked for you?

 
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post #1 of 7 Old 01-26-2012, 06:52 PM Thread Starter
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HD300 (H&S)

Just noticing something lately and I wonder if it is the same for others or just me. Normally, if I am running around town or on the highway in traffic or towing, I'll run on mild. If I am on the open highway with no up and down speeds and straight lines, I'll put it on hot and leave it for better mileage. I rarely use the wild setting. I decided to give wild a shot over the last couple weeks on occasion when I normally would have it mild. First let me say mild and hot settings are smooth in every way. The shifting, the power delivery, the sound.....everything. On wild, it is not. Injectors are rattling, the shifting is very abrupt, not quick and crisp like the mild and hot. And, I notice that the 1 time I stepped on the throttle pretty good, it really didn't want to put the power to the pavement like the other 2. It sort of felt like it was delaying, then it went but the injectors were really making some noise, i let out of it. Anybody else experience this? Not a fan of the wild setting on my truck right now.
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post #2 of 7 Old 01-26-2012, 07:07 PM
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wild on my truck rattles like crazy at part throttle over 2000rpm running the HD300
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post #3 of 7 Old 01-27-2012, 03:18 AM
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I drive mine on hot, all day every day. It seems that this latest tune does have alot of injector rattle at certain throttle points.

2010 F350 CC SWB FX4 loaded... Truxx leveling kit with an Icon adjustable trackbar, 20X10 XD Monsters with BFG 285X65X20 AT KO's, S&B intake, H&S Blackmaxx with DPF/Cat delete and MBRP Cool Duals, SD card full of KEM tunes that sits (unused) in the console. Audio by Focal, Audio Control, and JL Audio...

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post #4 of 7 Old 01-27-2012, 06:02 AM
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One thing to remember, that tune delivers 300 additional HP and is intended for race use.



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post #5 of 7 Old 01-27-2012, 06:11 AM
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Quote:
Originally Posted by DSTRBD View Post
One thing to remember, that tune delivers 300 additional HP and is intended for race use.
I know... I drive it like a granny though. But, I find the overall driveability, throttle response and transmission shift quality are better in the hot setting.

2010 F350 CC SWB FX4 loaded... Truxx leveling kit with an Icon adjustable trackbar, 20X10 XD Monsters with BFG 285X65X20 AT KO's, S&B intake, H&S Blackmaxx with DPF/Cat delete and MBRP Cool Duals, SD card full of KEM tunes that sits (unused) in the console. Audio by Focal, Audio Control, and JL Audio...

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post #6 of 7 Old 01-27-2012, 07:36 AM Thread Starter
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Quote:
Originally Posted by thedynoguy View Post
I know... I drive it like a granny though. But, I find the overall driveability, throttle response and transmission shift quality are better in the hot setting.
That's just it right there. I'm not trying to make an economy car out of a big truck but I do get quite a few miles out of a tank on hot. I just find myself too cautious to leave it there. So, why is the wild setting not as drivable as the hot setting?


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post #7 of 7 Old 01-27-2012, 10:03 AM
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Quote:
Originally Posted by DSTRBD View Post
One thing to remember, that tune delivers 300 additional HP and is intended for race use.
it doesn't deliver 300hp on the mild or wild settings
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