Tuner on a 450

[99gt]

So i was wonder since the chassis cab 450's are rated at 25hp less then regular models will a tuner be able to work on the CC trucks? Think there would be any side affects? There has to be a reason why these trucks are only rated at 325hp..i'm think an extra 100hp might break something

[suprcynic]

What's different that they are rated lower?

[99gt]

dunno...all i know is the CC are rated at 325 and 600

[WOOL-PULLER]

i think it has something to do with being a commercial vehicle. they figure it will be in a fleet getting beat on everyday all day i guess. dont know about the tuner but i would imagine it would work.

[Cj Ford]

I know when I program my truck with the superchips flashpaq it asks if it is a F450 or F550 befor it lets me tune it

[SpeedE55]

Originally Posted by suprcynic

What's different that they are rated lower?

The 450's are geared higher (either 4:30s or 4:88s vs 3:73s) therefore it's Ford's assumption that the higher gearing compensates for the lower HP and torque. I have a 450CC w/ 4:88s and I think its BS.

[Glasseater]

it makes some sort of sense though... the 4.88's will give you moer torque at the wheels which might compensate for like 20 ft lbs that was lost in the decrease of power... i personally think the 450 with 4.30's would be the way to go since it's got the extra torque from the 4.30's plus the 350/650 at the flywheel so you're puttin out bigger torque numbers then any other configuration

[djordan1184]

Originally Posted by 99gt

So i was wonder since the chassis cab 450's are rated at 25hp less then regular models will a tuner be able to work on the CC trucks? Think there would be any side affects? There has to be a reason why these trucks are only rated at 325hp..i'm think an extra 100hp might break something

As a matter of fact I just spoke with a buddy of mine at wawa alittle while ago ,and he just got a used 450 with 100 thousand on it,It has 3 sct tunes for it and he said it runs great and if he puts the highest tune he has for it,that its like a race car and to say that about a 450 is doing somthing.For got it's got the 7.3 in it

[jtadams8500]

Just did a dpf delete and used a H&S Mini Maxx for tuning on my uncle's F-450. He told me it was rated at 50hp less than the F-250/350's and that was the reason he wanted to do it. Also to get rid of the milage lost due to regen. I have an SCT Livewire Extreme on my F-250 and the Mini Maxx impressed me a lot. Made a rocket ship out of that monstrous F-450, SERIOUSLY!!! Doing the trans relearn at 100% throttle, 0-80mph, following the Mini Maxx instructions, it spun the dual rear wheels on the blacktop pavement well into third gear! We overshot 80mph and hit 100mph before I could get backed out of her. Seemed like it hit 100mph in the blink of an eye. After that, I don't think I would line up with him with my SCT tuned F-250. BTW both trucks are 08's with 6.4.

[Bullett1]

I did a DPF/cat delete on my F 450 w/ 4:88's, auto. what a differance in power! Also went for 10.5 mpg to 13 mpg right away. Can't go back now!