Subject	The 60 on the end denotes the major diameter
Posted by	SirpriZ on October 14, 2005 at 10:48 PM
	This message has been viewed 78 times.
In Reply To	Garrett turbo confusion... "GT28R" is now a GT25R (GT2560R)? posted by 300zx90 (CO) on October 14, 2005 at 04:50 PM
Message	dimension of the compressor wheel (exducer diameter of compressor wheel is 60mm). Garrett also has a GT2871RS and GT2876RS (I guess they are 2571 and 2576 now), which means they are using 71 and 76 mm exducer diameters. I forgot what the trim is. The 71 moves about 50 more lbs per minute of air at it's peak efficiency and the 76 moves about 50 lbs more than that! This is according to Garrett's compressor maps of these configurations. I believe they use the same turbine side (with a .64 or .86 A/R available on the turbine housing). FYI, Mark
Follow Ups	Garrett turbo confusion... "GT28R" is now a GT25R (GT2560R)? - 300zx90 (CO) 16:50:25 10/14/05 you need to find out what the compressor size is - dogpile 17:36:28 10/14/05 Forgetting about the NZR aspect of my question, what - SirpriZ 23:08:44 10/14/05 t3-super 60 - dogpile 23:25:26 10/14/05 corrections - dogpile 23:31:44 10/14/05 I have some 4.88s in the making and your cut would - SirpriZ 00:51:55 10/15/05 4.88s? can i ask why? - dogpile 01:04:47 10/15/05 I haven't mastered the :-) thing. I was kidding - SirpriZ 01:26:15 10/15/05 before i go to bed - dogpile 01:42:39 10/15/05 and by "pulls slightly" i meant 2 or 3 cars - dogpile 01:46:21 10/15/05 I was serious about the 50% but kidding - SirpriZ 01:55:11 10/15/05 And interestingly enough, the GT28RS is called the GT2860RS - Ash's Z 18:30:10 10/14/05 Yes, its an updated map.... the GT28RS' are - Seb (Specialty-Z) 00:28:37 10/15/05 Hi Seb, notice how I made quick use of the info you - SirpriZ 01:00:27 10/15/05 According to the new map, the turbos can't make more than - Ash's Z 02:08:28 10/15/05 wheel is the same the compressor housing is different (n/m) - yellowzxtt 02:29:38 10/15/05 They are both using a .60 A/R housing and the pic - Ash's Z 02:31:08 10/15/05 Something you might find interesting: The Z1 Stage1 - Ash's Z 02:35:20 10/15/05 You got mail my friend (n/m) - Seb (Specialty-Z) 04:36:45 10/15/05 I don't believe this to be true. - maglito 18:00:45 10/15/05 The 60 on the end denotes the major diameter - SirpriZ 22:48:11 10/14/05 No, only the "GT28R" changed designations. (n/m) - 300zx90 (CO) 12:31:21 10/17/05 the 530 bb is a little smaller than the GT28R (n/m) - Shawn300zTT GT28R MD 15:02:33 10/15/05 I have never heard anything conclusive as to "what" actually - maglito 20:16:16 10/15/05 Ditto, I haven't been able to find anything either. - 300zx90 (CO) 12:30:41 10/17/05
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