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APR Stage 3 (non +) on a stock bottom end?

GhostMetal

Passed Driver's Ed
Location
Moore, OK
What all mods are you currently running?

Also agree with above. I run E30 with a jb4 stack. I have a GTI with an is38 and APR tune and the E30 allows me to run +2 psi over 5k and +4 over 6k.

George is awesome about setting it up.

You can get near 400 if you upgrade the lpfp on an is38

I Dyno'd 355 before the stack. Stock engine and fueling
 

KASPER1

Go Kart Champion
Location
AMONGST U
Some=E30.

Gotchya, u said e85 though :)

Sure you can mix to end up with e30 or whatever also. I know UM tunes can handle the mix also up to e30 I believe without the flex fuel sensor, easily self adjusts the tune with the sensor. Ya have a few options to really max out the stock turbo. Of course if you’re gonna go big turbo you’ll need the fueling anyway, start there run the hell out of the stocker then switch out the snail later imo
 

flipflp

Autocross Newbie
Location
PNW
Car(s)
'16 Golf R DSG
I fully agree with trying some additional tuning +running an E85 blend to really max out the tune/turbo before dropping big money on a turbo kit. You can definitely eek more power out of the IS38, and with something like a JB4 stacked you can sell the mod later versus paying good money for a new or custom flash tune.
 
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