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-   -   T76 .81A/R to .96A/R turbine housing (https://www.dieselplace.com/forum/63-gm-diesel-engines/21-6-5l-diesel-engine/470-6-5-6-2-high-performance-engine-modifications/840266-t76-81a-r-96a-r-turbine-housing.html)

oil pan 4 06-14-2016 08:28 PM

T76 .81A/R to .96A/R turbine housing
 
I have looked around from time to time, looking for a larger turbine housing for my T76 atmospheric turbo. If I did find one they were really expensive or I couldn't be sure from the poor description that it would actually fit my turbo.
Now there are a bunch of .96A/R housing for P-trim T76 turbochargers on evilbay.
I wanted to go bigger than 1A/R but it will take the less than 1A/R housing if it will do what I want.
Problem is the T76 does most of the work. If I am riding along making say 10 pounds of boost the T76 is making 6psi feeding into the HE351VE, then the HE351VE is bumping that 6psi up to 10psi.
I would like the T76 to be a lazy oversized atmospheric turbo that builds 30 to 40% of the boost pressure. I also get the feeling the .81A/R housing is a bit of an unnecessary choke point.
I know most people don't want the turbo charger to be over sized and laggy but that is kind of what I am going for.
How much lazier would the larger .96A/R housing make the T76?

oil pan 4 06-18-2016 05:38 PM

Even better, the guys selling the .96A/R offer a 1.15A/R housing, that should be more in line with what I am looking for.
I am going to buy one.

oil pan 4 06-21-2016 01:36 AM

Alright I got the 1.15A/R turbine housing, wasn't cheap as I thought it would be.
Projected install date will be some time in august, if I don't pull the engine.


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