Compressor map
http://www.atpturbo.com/root/release...366-1_comp.jpg
"New
GTX2863R dual ball bearing turbo with ultra high flow compressor wheel featuring Garrett 11-Blade technology. Turbine Housing is sold separately and is the same as one used on GT2871R using 53.86mm 76 trim turbine wheel "
They are calling it a 2863 on the 2867 page, which makes me think fail cut and paste job. Also, here, "http://www.atpturbo.com/root/releases/release110101-1.html" it says "
GTX2876R 55 Trim" and points to this map, "2867" which is apparently another fail identification.
the gt2876r compressor is this turbo:
And if so... the old gt2876 offers slightly more power potential than the 2867 according to the map, about 10 horsepower more for what its worth. Doesnt the 2871r tap around 45lb/min?
All of these turbos appear to flow within about 30-50 horsepower of each other. But that says nothing about boost characteristics... real world results are about more than just peak power potential.
->in for a dyno
