I got a new 450 and i need to go faster than 85 - Diesel Forum

CaptinCrash · 06-29-2009, 09:19 PM

whats the best programmers that eliminates the top speed for the 09 6.4s i also use it to tow horse and race cars almost 90% of the time

PowerstrokeConverters · 06-29-2009, 10:26 PM

SCT, DiabloSport, among others....soooo many out there.....Superchips maybe? not sure if the last one has one for 6.4.

**bugman** · 06-29-2009, 11:44 PM

You might want to check out your gearing, I'm not sure if the 09's have the 4.88 but it could be the 4.33's. The truck may be just about toped out at 85mph. Also I doubt that your tires are rated to go much faster than that. The F450 was designed to drag a lot of weight around and not race.

Jim

CaptinCrash · 06-30-2009, 03:08 AM

Quote:

Originally Posted by bugman

You might want to check out your gearing, I'm not sure if the 09's have the 4.88 but it could be the 4.33's. The truck may be just about toped out at 85mph. Also I doubt that your tires are rated to go much faster than that. The F450 was designed to drag a lot of weight around and not race.

Jim

well i do both so i need some help here

**gypsybill** · 06-30-2009, 09:32 AM

You might want to check the speed rating of the tires before you go too fast... the stock Conti's that come on the truck are speed range "N" or 87 mph. Just a thought...

CaptinCrash · 07-01-2009, 05:28 AM

i no its not the gearing because in hitting the rev limiter and tires I'm covered i'm sponsored by good year So whats the best chip guys

**Mark Kovalsky** · 07-01-2009, 07:14 AM

Quote:

Originally Posted by CaptinCrash

tires I'm covered i'm sponsored by good year

Just wondering, do they cover wrecked tow vehicles and trailers due to blown tires? The tires on your truck are only rated to go up to 87 MPH. Above that they tend to come apart.

GrampyJim · 07-01-2009, 03:04 PM

I was amused that he "needs" to go faster than 85.... I can only assume that he feels he will be late for his life altering accident...

Back when I was younger, I spent far too many nights scraping folks off the highway with a stick and a spoon....

Now? I occasionally help teach younger guys how to scrape people off the highway with a stick and a spoon.

If these guys want to create these tragedies, the least they could do is wait until it is convenient for the people that have to undo this crap.

**Dick Cutting** · 07-01-2009, 04:29 PM

Quote:

Originally Posted by GrampyJim

I was amused that he "needs" to go faster than 85.... I can only assume that he feels he will be late for his life altering accident...

He's just looking to visit Crow-Bar Motel. The speed limit while towing in CA is 55.

No need to discuss operating illegally. Furthermore, it is in violation of the site's membership agreement.

Thread can be locked.

LandShark-47 · 07-02-2009, 09:35 AM

If he has a sponsorship he could have a need for increased speed that isn't on a public roadway.
Spartan is what i would get if I had a desire to pitch my warranty.

CaptinCrash · 07-03-2009, 11:54 PM

Y thank you land shark for understanding my needs and yes goodyear would cover my stuff if a tire came apart but i trust they wont so ill ive heard is spartan anyone else have a suggestion thanks

dfuser · 07-04-2009, 09:23 AM

You need to add a vendor gear box to allow you to run at lower RPM. I drove an F450 a few weeks ago and the final rearend ratio was like 3:55 with the box engaged. It helped a lot in the Fuel mileage area.

To remove your speed limiter you will still need a programmer.

CaptinCrash · 07-05-2009, 04:25 AM

what is that do u mean a gear venders

ponyexpress94 · 07-05-2009, 08:24 AM

It's an aftermarket overdrive that can be switced from direct drive to overdrive to further reduce the gearing of the vehicle. However, this setup can only be used when the truck is running in two wheel drive since it bolts onto the back of the transfer case and only provides an overdrive for the rear wheels. I don't see how it will help though, a speed limiter is a speed limiter and the computer knows how fast the wheels are spinning because it's it's an electronic signal from the vehicle speed sensor. Here is a link to the Ford section of Gear Vendor's website.

Gear Vendors Under/Overdrive Ford Truck-Car-Van 2-Wheel Drive 4-Speed and 5-Speed Automatics.

Hope this helps you.

brock187 · 07-08-2009, 01:11 PM

Buy a Spartan and don't look back. No trace of it in the computer, crazy horse power, and speed limiter delete. I have one on my 08' and I researched all of the tuners for almost a year before I made my mind up! No regrets yet! I have 35x13.00x20 Toyo Open Country's and was getting 13.4mpg pre Spartan, but now post Spartan, I'm getting 16.3mpg around town, and 18.2mpg hwy. PLUS, IT WILL LET YOU DO WHAT YOU WANT WITH YOUR TRUCK, AND NOT WHAT SOMEONE ELSE THINKS IS BEST FOR YOU!!!!!!