I have a jeep liberty 2.8 liter turbo diesel engine. What turbo is in it and what would the next size up be?
I'm looking to upgrade the turbo and already have a propane kit, nitrous kit, and a power chip. How much boost can I build before I have problems?
The Liberty CRD has a DDC-Cento engine (formerly VM Motori) running a GTA2260V turbo.
Out of the box it runs at 26.5 psi, pretty high so you're not going to get a whole lot more boost without engine mods, it's a pretty decent setup.
If you really want to up the actual turbo you could go to a unit like the Garret GT2056V which will up the psi a bit. You can adapt one off a 2003 Grand Cherokee CRD, if you can find one.
You might consider something like the Greddy Turbo Timer, blow-off valve setup and so on.
Just for thought, I've seen some swaps with Saab turbos and I've heard, but not seen myself, of Volvo turbo swaps, mainly for the faster ramp up time.
Also, the Liberty engine was originally based on a Mercedes design, I'd take a peak at a Mercedes turbo in a junkyard; I've seen the modded to a Jeep 2.5, so...???
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