upgrading pumpkin to 355,373 require retune?

[therod785]

will upgrading to 355 or 373 require a retune? I don't care if speedo is not accurate.

Currently running e85 tune with 18 manifold on my 2015 gt.

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[Mikepol2]

When I changed from 3.73's to 4.09's no tune was required and my speedo automatically corrected for the new gears.

 

[therod785]

Awesome. Seems like a good mod for $399.

 

[krishelnino]

will upgrading to 355 or 373 require a retune? I don't care if speedo is not accurate.

Currently running e85 tune with 18 manifold.

I have a Lund tune and they've said that mods like changing gears etc. will require a revised tune...

 

[WD Pro]

They sell it as an advantage in the FP tune for the 18+ suggesting that there is some requirement / benefit to altering the value in the software ... ?

WD

 

[therod785]

Oh damn well nevermind. I want to do mods that don't require retunes. Unless I combo several that do require retune, like headers and gear change.

 

[erikkire18]

I also have Lund and I didn't need a retune when I went from 3.37 to 3.31. you can adjust the gear setting in the ngauge tuner itslef so the speedometer reads correct

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