Chip in a 7.3

93redzj

93redzj

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Joined
Aug 29, 2005
Location
Albemarle
So I bought a 7.3 the other day and noticed this little knob on the dash, had no clue what it was but turns out to be some sort of chip that was installed by previous owner. I’ve been trying to research which chip it might be so I can determine what settings it has but I’m coming Up empty, it only seems to have 5 settings, not the 6 I keep finding with the TS chips. I know setting two is a high idle, drove it to work today on the third setting, it did seem to have more power but shifted harder into 3rd and 4th gear which I wasn’t crazy about, is it normal for these trucks to shift harder with these chips installed?
 

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It looks like a TS performance based chip, a lot of different companies make custom tunes
A stock TS has 6 settings
1-stock 2-high idle. 3- 50hp. 4-75hp. 5-100hp. 6-140+hp
 
RoosterRash said:
It looks like a TS performance based chip, a lot of different companies make custom tunes
A stock TS has 6 settings
1-stock 2-high idle. 3- 50hp. 4-75hp. 5-100hp. 6-140+hp
Click to expand...
Yeah that’s what I was reading, this knob only turns 5 clicks though. So I wasn’t sure if there was a different brand that only had 5 settings, I couldn’t find one. Just the TS with 6, one had 8 settings I believe and a bully dog one with 4....I liked the feeling of more HP when using it earlier today, I was somewhat concerned with the hard shifting into 3rd and 4th though, in stock mode it shifts nice and smooth. Last thing I want to do is tear up the trans over 50-75 more HP
 
Looks like a TS, can you ask the previous owner about it? They came with standard settings but a lot of owners would get them reburned with custom tuning so it’s hard telling what exactly the settings are. I’d personally avoid using it until you know for sure what settings it has, they’re known to be hard on transmissions.


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It plugs in the back of the ECM. If you pull the ECM and pull the chip out of the back, you'll see a TS logo if it is a TS. Those piggyback chips have an indexing ring on the switch and you can set how many positions it has. It could be a TS and the installer knocked the index ring off and put it back in the wrong hole. Every TS I've seen or installed has had high idle on position 2.

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AV8 said:
Looks like a TS, can you ask the previous owner about it? They came with standard settings but a lot of owners would get them reburned with custom tuning so it’s hard telling what exactly the settings are. I’d personally avoid using it until you know for sure what settings it has, they’re known to be hard on transmissions.


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Click to expand...
I got the truck from a dealer, not sure I’d be able to get previous owner info to contact and ask about the chip. I didn’t want to experiment with the chip too much without fully knowing what it’s doing, it not worth destroying something over.
 
Eh, it was there already, so if the truck isn't trashed, I'd run it. Well, unless that other hole was for the nitrous button, in which case I'd install some nitrous and run it. I mean, it has power adjustable pedals, so it was obviously a pretty nice truck.
 
Chris_Keziah said:
I'd toss that TS chip and buy a hydra. Much better canned tunes and cheaper than dp tuner.
Click to expand...
In the little bit of research I’ve done, I have read about hydra, they do seem to be preferred. I don’t mind the current one, as long as I can figure out how it’s set up, and if I could get the hard shifts to disappear. I won’t use it with the hard shifting
 
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