Second turbo

8890 Views 6 Replies 5 Participants Last post by Accused, Apr 4, 2014

dravas

Discussion Starter · Apr 3, 2014

I wonder how long it take for people to develop a second turbo kit.

From what everyone complains in the reviews is the ecodiesels lose top end torque at higher rpm. Wouldn't a second turbo tuned for the high end of the rpm spectrum correct that problem?

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Accused

· #3 · Apr 3, 2014

hey dravas welcome to the boards number one.

Second, there are a few tunes already available for the WK2 Ecodiesel Grand Cherokee from Racechip, Steinbauer and Bluespark. From what I've found on the Jeep Forums Bully Dog, H&S, Banks and the likes were apprehensive for doing a tune for the WK2 Ecodiesel because they were not sure of the demand, however with the Ram Eco selling like it already has I'm sure those big names will be on the scene very shortly...

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Accused

· #7 · Apr 4, 2014 (Edited)

dravas said:
Well yes all of that has to be addressed and I am not looking for raw horsepower.

You set the turbos to compliment each other so right before one drops off the other spools up and takes over...if done correctly you wont notice or see much torque gain but you will see steady torque throughout all power bands.

You can tune to all your hearts content but you will never beat the physics limitations of turbos.

Compounding Crash Course - Diesel Power Magazine

I probably will never touch it till later in the trucks life but its fun to read about.

Its not really necessary on the Ecodiesel. You've already got a very linear power delivery, you can see your peak torque does come in fairly early. At the top of the rev band you're still kicking out about 300 ft lbs however...

Plus it uses a variable geometry turbo, so already lag has been minimized by altering the geometry of the housing through varying RPM's..

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