Subject	IMO go with the "new style 555cc" which are actually 615cc
Posted by	Russell@Z1 on December 08, 2007 at 7:24 PM
	This message has been viewed 179 times.
In Reply To	555 vs 740 posted by Kurt300zx on December 08, 2007 at 06:29 PM
Message	That will give you plenty of capacity for those turbos. The 615cc will support around ~600rwhp. You really don't want to overdo the injector size unless you seriously plan on going with a larger turbo kit like our GT675RS kit and running high boost on race fuel. For those with goals of building a "practical" responsive street car I feel the 615cc are sufficient. If you have your mind set on the glory of high hp #'s in the future and are intent on eventually building a money hungry beast might as well go ahead with the 740cc. Russell Floyd Z1 Motorsports www.300zx.com 1990+ Nissan Z specialists Used Parts, New parts, Service/Repair and Performance Z1 Motorsports Exclusive Parts Line 2877 Carrollton Villa Rica Hwy Carrollton, Ga 30116 770-838-7777 770-832-9253 (fax)
Follow Ups	555 vs 740 - Kurt300zx 18:29:45 12/08/07 Just get the 740's. Won't be any issues. - Woody75 (Denver) 18:39:40 12/08/07 No, go with 740's. - lakerdude42 18:41:46 12/08/07 Supposedly lower mpg with 740's due to less precise flow... - Black95 19:10:14 12/08/07 IMO go with the "new style 555cc" which are actually 615cc - Russell@Z1 19:24:25 12/08/07 So have you heard any reason as to why... - Broke_as_**** 19:52:42 12/08/07 if i plan on going with your gt600r kit - Ahmed 19:53:13 12/08/07 I would still stay with the the "new 555s" - Russell@Z1 20:23:18 12/08/07 i thought the gt600r was the equivalant of the sport 530BB? - Ahmed 20:33:38 12/08/07 Re: i thought the gt600r was the equivalant of the sport 530BB? - Russell@Z1 20:46:35 12/08/07 What is the reason for coming out with a 530BB kit? - RICH1 07:21:47 12/09/07 A lot of members on this site feel the 530 - Agner.S(CT) 11:16:04 12/09/07 Why do you feel the 530 is better? - RICH1 12:29:37 12/09/07 The gt600r provide a little more peak HP while - Agner.S(CT) 13:58:07 12/09/07 That's great! I've been looking for turbos that are exactly - TheTwinZ (Peru) 21:27:39 12/08/07 Can hardly wait for more information in a couple weeks. (n/m) - tmv1 00:43:49 12/09/07 If you're sure you'll never go 550RWHP+, get newer 555cc. - ZCulture 19:49:57 12/08/07 I have the 740s. - PennStateZ 22:39:03 12/08/07 if I had it to do again, I'd go w/the 615's (n/m) - Adam (NoVA) 07:47:43 12/09/07 Why is that?? (n/m) - DbestiZ1 09:27:15 12/09/07 I feel like the 740's are too much injector for sport 500's - Adam (NoVA) 09:47:35 12/09/07 Why is that a problem? - PennStateZ 11:13:47 12/09/07 nahh - fourZero 19:24:41 12/09/07 I dumped my 555's for my 740's. (n/m) - spotz 13:27:42 12/09/07 I get 21-25 mpg with 740's and all mods in my profile... - whitepearlz 13:55:15 12/09/07
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