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Tuning 26 ST RWD

Haddezz07

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#1
Greetings guys .. Really looking forward to tuning my ST, but since its a RWD don really know how aggressive i should go. I cant find much info about RWD ST tuned, since AWD seems to be the go to. Anything i should know ? Changes to make ? How aggressive to go without having to change or add diff, mounts, etc. thanks
 

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#2
Greetings guys .. Really looking forward to tuning my ST, but since its a RWD don really know how aggressive i should go. I cant find much info about RWD ST tuned, since AWD seems to be the go to. Anything i should know ? Changes to make ? How aggressive to go without having to change or add diff, mounts, etc. thanks
You’ll want a differential brace no matter what for sure, but all the other stuff you’re more then fine to go ahead and do.
 

Combatvet

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#3
My '25 is tuned with ZFG, and in Sport mode with a tune at WOT the shifts are brutal. I'd say almost race car like. Not sure how I feel about that on stock Pirelli's in RWD. You should be good though with better tires like Michelin or Continental.
 

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#4
My '25 is tuned with ZFG, and in Sport mode with a tune at WOT the shifts are brutal. I'd say almost race car like. Not sure how I feel about that on stock Pirelli's in RWD. You should be good though with better tires like Michelin or Continental.
If you don’t like them, you can ask him to soften them up.
 

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#5
You'll want to do a diff brace if you plan on launching. If not you'll probably be ok.

I'd recommend an intercooler too if you can.

I'm currently tuning ~20 of the new 25-26 cars. They do very very well.

This was the last one on the dyno!

+107hp with an intercooler + intake.
dyno vs stock.png
 

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#6
ZFG or Goose. If you want to be more safe, get the Ford Perf Tune.

As stated, she's a beast in sport mode at full send. I had Adam soften my shifts some, and it's a daily driver.So far, ZFG is the best tune I've ever had. I have a whole thread here on it with some good newb discussion. The Pirelli tires suck in the rain and will spin once tuned when you hit 2nd and 3rd in sport at full send with TC off. I just went with the Velgen wheels and Michelins, and they grip like a motha.
 

OP
H

Haddezz07

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Thread Starter #7
Ty all for the quick replies. As far as the IC , i will install one however right now i just dont have the time to do so. However for sure is in my list. For the time just the tune, then i will do a revision once I install the IC. As far as launches, its not really my thing i just want more power on this bad boy. Im coming from a full bolt on ram RHO with a JB4 , thing was a monster. Just want more pep . This is my daily , and i have 0 plans to track it .
 

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#8
For a DD, I'd just tune it, get a thermal exhaust, and roll. You ain't gonna miss the IC if you aren't running for times.

These things run so hard once tuned, as a DD, you will love it. If I was going to waste money on something at this point, Id get the bigger brakes. Maybe next year, I just spent $6000 on wheels and tires lol.
 

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