Turbo upgrade: Need opinions...

[GN SBS]

Great thread!

Can anyone make an argument for choosing the PT-70 over the PT(GT)-67 with the new compressor technology/design?

Are compressor maps available for these? I've read snippets about the GT compressors having a wider sweet spot, but have never seen anything concrete on this.

Let's keep this thread going-- lots of folks will be making this decision in times to come.

Scott

 

[turbonatr]

If there was such an argument, I would say for a street car the 67 would be a better choice because of quicker spool-up and superior efficency. I believe it also will support similar horsepower.

Personally, I really think the PT71 GT-Q will make it's way in my GN next.

 

[J Banning]

I ended up going with the PT67 from PTE.

Pictures of my turbo can be seen here:
http://www.banningcohen.com/buick/pt67

First time to the track it ran well. See the thread here:
http://www.turbobuick.com/forums/showthread.php?threadid=100913