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Are these Gt2860R-05??

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  • #16
    Originally posted by GTR-Dad View Post
    It's just a choice. I run -5s, but in hindsight would probably have benefited more from a set of -7s.
    Spool rpm is not a bad indicator of how well a turbo 'fits' an application, but what you really care about is throttle response and torque. You can retard timing to send more energy to the turbos and make boost earlier, but if it doesn't result in more torque, and preferably (in my world) closer to the time I opened the throttle, what have you gained? (Answer is manifold pressure.)
    Torque comes on linearly and reaches a very usable threshold by about 4000 rpm on my setup. The -7 turbos would probably sharpen response and come on even earlier.
    Dan
    OK I understand! So the torque only start at 4k rpm? I wanted to buy turbos soon. So, I guess I will start doing my homework.. -5 , -7 or gt-ss( akak 2530)
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    • #17
      GT2860r-5 = HKS 2530
      GT2860r-7 = GT-SS
      03 lancer dead
      68 gmc w/355 cid rice killer
      05 chevy silverado L33
      2010 crv Wife's ride
      1987 Harley Softail custom

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      • #18
        Originally posted by GTRADDICT View Post
        GT2860r-5 = HKS 2530
        GT2860r-7 = GT-SS
        GT2860r-7 = R34 N1
        and I'm quite sure the GT2859r-9 = GT-SS
        Originally posted by Z-Tuned
        Next question is: should I stroke it??
        Originally posted by Wingnut
        Yes, but leave the engine alone.

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        • #19
          Originally posted by GTRADDICT View Post
          GT2860r-5 = HKS 2530
          GT2860r-7 = GT-SS
          These turbos cant be compared this simply. Hks 2530 and ss are far different from the garret counterpart. Center section, material,blade pitch,spool characteristics ,even housings. Garret list specs for all there turbos on there web site for reference as does hks. Sorry to be technical here....

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          • #20
            Originally posted by Velders View Post
            GT2860r-7 = R34 N1
            and I'm quite sure the GT2859r-9 = GT-SS
            Also a misconception but similar..

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            • #21
              Lol yes I agree completely, in hindsight it would have been better to say
              GT2860r-5 ≈ GT2530 and so on.
              Originally posted by Z-Tuned
              Next question is: should I stroke it??
              Originally posted by Wingnut
              Yes, but leave the engine alone.

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              • #22
                Originally posted by cobrAA View Post
                OK I understand! So the torque only start at 4k rpm? I wanted to buy turbos soon. So, I guess I will start doing my homework.. -5 , -7 or gt-ss( akak 2530)
                Torque is over 300 ft.lbs by 4000 rpm or so.

                wtb passanger side door hinge - GT-R Canada - Canada's Premier Skyline Enthusiasts Club
                http://forums.gtrcanada.com/showpost.php?p=323174&postcount=4
                im looking for a passanger side door hinge as mine has started to ware down and is rubbing when i close my door. im not sure if it makes a diffrence but it is the top door hinge on a 1992 gtr i will take both hinges if you dont want to sell singles. please email me if you have this item thanks peter rudeboy_2777@hotmail


                Dan
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                • #23
                  The 2 brands are not to be compared... I agree with you. As far as flow and HP rating, they can be compared a bit... Meaby not a orange vs orange scenario but it can give a consumer a good ideal...
                  03 lancer dead
                  68 gmc w/355 cid rice killer
                  05 chevy silverado L33
                  2010 crv Wife's ride
                  1987 Harley Softail custom

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                  • #24
                    Those look more like HKS GT-SS to me than GT2860R-5.

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