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-   -   Turbo LSX 2011 Escalade EXT build (https://www.performancetrucks.net/forums/forced-induction-159/turbo-lsx-2011-escalade-ext-build-529849/)

blownescalade62 Oct 28, 2015 08:32 AM

Well she made lots of runs on dyno. Made about the same power as before. Need a bigger turbo, with the bigger cubes now no gain when boost is turned up back pressures to high etc. T6 manifold from Rick and big big turbo next.


TrickTurbo Oct 28, 2015 08:58 AM

What size engine now?

blownescalade62 Oct 28, 2015 09:11 AM


Originally Posted by trickperformanceproducts (Post 5320626)
what size engine now?

402 6.6l

Atomic Oct 28, 2015 09:38 AM

Still have the 80mm?

If so then yea that's too small for a 402, depending on what you want. I know on my 402 my 82mm made peak torque at 4200rpm and peak power at 5200rpm. That's quite fine if you don't want to rev to the moon (the torque was 1100ftlb at peak) or just do 1/8th mile racing. A bigger turbo will move that torque to a higher rpm so you make more power, but its a larger turbo so will act like a larger turbo. My point is if you want a more street friendly setup you are just fine where you are. If you want a track warrior, go ahead and go to an 88mm.

blownescalade62 Oct 28, 2015 11:48 AM


Originally Posted by Atomic (Post 5320636)
Still have the 80mm?

If so then yea that's too small for a 402, depending on what you want. I know on my 402 my 82mm made peak torque at 4200rpm and peak power at 5200rpm. That's quite fine if you don't want to rev to the moon (the torque was 1100ftlb at peak) or just do 1/8th mile racing. A bigger turbo will move that torque to a higher rpm so you make more power, but its a larger turbo so will act like a larger turbo. My point is if you want a more street friendly setup you are just fine where you are. If you want a track warrior, go ahead and go to an 88mm.

Yes same 80mm 92 wheel 1.25AR

TrickTurbo Oct 28, 2015 12:08 PM

Fun 800+ hp street truck.

Atomic Oct 28, 2015 01:15 PM


Originally Posted by TrickPerformanceProducts (Post 5320676)
Fun 800+ hp street truck.

Yep, unless you are wanting to set records I would stay right where you are...

Fales Oct 30, 2015 12:21 AM

that is one cool ass escalade, not many gmpp LSX blocked escalades around i bet. thats gotta be a first i would imagine. then again a lot of people are getting into ls motors. that thing is such a badass truck

Choda Aug 29, 2016 10:24 AM

awesome build and results.

Alfredo Alfaro Sr. Jan 28, 2020 02:46 PM


Originally Posted by blownescalade62 (Post 5257314)
Upper and lower bars are on. Adjust axle in center and pinion angle. Free travel mod done and new bump stops installed. And lots of meth lol.
Attachment 96825
Attachment 96826
Attachment 96827

I'm also interested on buying those Spohn rear control adjustable arms. I have an 08 Escalade. Any rattling or noise? Thank you


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