Pls help with which turbo
Senior Member
Joined: Nov 2001
Posts: 354
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From: Pembroke Pines, FL
nyt,
I forgot to ask you. Is the PT61 on T4 footprint? You said it uses the GT35R compressor wheel but is the hotside a T4?
Carl,
If the hotside is a true T4 then that should explain why the PT61 pushes more HP than the standard GT35R, which is a T3 footprint.
I forgot to ask you. Is the PT61 on T4 footprint? You said it uses the GT35R compressor wheel but is the hotside a T4?
Carl,
If the hotside is a true T4 then that should explain why the PT61 pushes more HP than the standard GT35R, which is a T3 footprint.
Mad Man
Joined: Jan 2002
Posts: 2,758
Likes: 2
From: Big Island Hawaii
Originally Posted by surfpac
nyt,
I forgot to ask you. Is the PT61 on T4 footprint? You said it uses the GT35R compressor wheel but is the hotside a T4?
Carl,
If the hotside is a true T4 then that should explain why the PT61 pushes more HP than the standard GT35R, which is a T3 footprint.
I forgot to ask you. Is the PT61 on T4 footprint? You said it uses the GT35R compressor wheel but is the hotside a T4?
Carl,
If the hotside is a true T4 then that should explain why the PT61 pushes more HP than the standard GT35R, which is a T3 footprint.
See NYTs dyno, dead on with a typical 35R dyno. Unfortunately it is in MPH, not RPM, so hard to compare spool. My bet, they are VERY close, with a 61 costing hundreds less than the 35R. The 475 was not realized this time aroound, but never give up on NYT
. Carl
Lives on the Forum
Joined: Feb 2001
Posts: 26,664
Likes: 22
From: n
I dunno if you guys know about this website...
http://www.jblmk3.com/id134.htm
Although it doesn't have some of the newer stuff, it's a very good guide on comparative sizing...
-Ted
http://www.jblmk3.com/id134.htm
Although it doesn't have some of the newer stuff, it's a very good guide on comparative sizing...
-Ted
Originally Posted by Carl Byck
See NYTs dyno, dead on with a typical 35R dyno. Unfortunately it is in MPH, not RPM, so hard to compare spool. My bet, they are VERY close, with a 61 costing hundreds less than the 35R. The 475 was not realized this time aroound, but never give up on NYT . Carl
. Carl
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