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Potential Tuner
2008 Jeep JK 3.8 Sprintex
Since I didn't see anything here for this, figured I'd share this.
2008 Jeep JK 3.8L with Sprintex Supercharger
This is the tune loaded from a Diablo Tuner with Sprintex Tune, then read back off ECU with HP Tuners.
2008JK_Sprintex00.hpt
Can't buy this supercharger kit new anymore for 2007-2011 3.8L Jeep JK
So had to find used one, then find all the correct parts that where missing.
Last edited by vial; 07-01-2023 at 05:13 PM.
Reason: Rambled off at the end
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Potential Tuner
Here is parts list from Sprintex JK 3.8 Packing List.pdf
Injectors are Bosch #
stock are 0280158119, 21lb/hr)
Sprintex Kit requires 0280158193 30.7lb/hr
Requires a 2bar SRT MAP sensor 05033224AB
I'm still trying to figure out what Boost bypass valve actuator I can use as a replacement. Maybe something adjustable.
Think maybe diaphram is leaking. Getting a strange surging at between 0 - 7 inHg. and only seeing about 3psi boost, would like to see 5psi.
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Tuner
you need to turn Baro Leanring off.