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Old Apr 4, 2008 | 10:18 AM
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Question for the Ford Techs

I am the fleet manager for a large company and we are very interested in putting a speed governor onto our trucks. Can anyone tell me if a rotunda VCM tool has the capability to adjust this? I know the VCM tools are expensive, but the insurance discount would be worth it. I know that a lot of aftermarket tuners can do this, but I don't want to have to buy a tuner for every single truck in the fleet.

Thanks in advance.
-Mike
 
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Old Apr 4, 2008 | 10:28 AM
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They already have speed limiters. I assume you are saying you want to lower the limit?

I don't think the tuners can lower it past the factory setting, so they probably wouldn't do you any good anyways.
 
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Old Apr 4, 2008 | 10:31 AM
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Yes, lower it past the factory setting.
 
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Old Apr 4, 2008 | 10:43 AM
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I'll bet the WDS could do it if the NGS can't. The 650/750 limit is lower than the 250/550 so there has to be a way.
 
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Old Apr 4, 2008 | 10:50 AM
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The Bully Dog Power Pup claims to elimiminate the speed limiter, and the Diablosport Predator claims to be able to adjust it from 50 to 140 mph.
 
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Old Apr 4, 2008 | 10:51 AM
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I bet a good tuner like Jody or Wildman could do it with a chip.
 
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Old Apr 4, 2008 | 10:52 AM
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Well if the Predator can do it the NGS and WDS can also do it.
 
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Old Apr 4, 2008 | 11:27 AM
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check out dp tuners site, i beleive they offer it already.
 
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Old Apr 4, 2008 | 11:32 AM
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The problem with the tuners, is you can only use it on one vehicle at a time, or am I missunderstanding. I remember on the old tuners you only could update one program, then you had to swap the update back to the original before you could use the update on a different vehicle. I have 27 trucks. If I have to buy one for each that is costly.
 
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Old Apr 4, 2008 | 11:45 AM
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you should contact hewitt:

Hewitt Industries - Vehicle Speed Limiting System
 
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Old Apr 4, 2008 | 11:59 AM
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There might be a way to do it by flashing the PCM, talk to Jody or TW.
 
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Old Apr 4, 2008 | 12:19 PM
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Valet Mode

Isn't this what valet mode does on the various chips out there?

One of the tuners could probably lead you in the right direction but I am not sure you wouldn't have to buy a chip or tuner for each vehicle unless you wanted to get each PCM flashed.

I'll defer to the more knowledgeable folks.

Neil
 
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Old Apr 4, 2008 | 03:43 PM
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Originally Posted by miker67
The problem with the tuners, is you can only use it on one vehicle at a time, or am I missunderstanding. I remember on the old tuners you only could update one program, then you had to swap the update back to the original before you could use the update on a different vehicle. I have 27 trucks. If I have to buy one for each that is costly.

In that case, I retract my previous statment lol. Im not sure what would work for you then
 
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