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Tomei Type A Springs with Poncams

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  • Tomei Type A Springs with Poncams

    Hi there, Im doing a full rebuild on an SR20DET (S13, blacktop), and I want to freshen up the valve train. Honestly Ive been googling for hours trying to find a retailer or a part number for the OEM valve springs but I just cant find them.

    Im thinking about matching my poncams with the Tomei Type A springs, would this be all right? I cant really find a sure answer and Im afraid Im not knowledgable enough to understand the spring specs on the Tomei website.

  • #2
    yes

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    • #3
      Originally posted by b.series View Post
      yes
      Hey there, have you or any of your friends used this set up without any problems?

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      • #4
        Most hte JDM springs are basically stock rate, or barely above it. There was a spring test many years ago. I remember HKS springs tested almost identical to stock, and the Tomei's were just a bit better.

        So they're better than stock, but for bigger cams I'd probably want a little more rate and a little more travel to coil bind.
        '18 Chevrolet Volt - Electric fun hatch for DD duty!


        DefSport Koni Sleeve and Spring Perch Buy!!!
        http://www.nissanroadracing.com/showthread.php?t=5902

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        • #5
          Originally posted by Def View Post
          Most hte JDM springs are basically stock rate, or barely above it. There was a spring test many years ago. I remember HKS springs tested almost identical to stock, and the Tomei's were just a bit better.

          So they're better than stock, but for bigger cams I'd probably want a little more rate and a little more travel to coil bind.
          Any recommendations? Im only going to run the Tomei Poncams, but I bought a surplus sr20 and just want to freshen up everything I can before I install it into the car.

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          • #6
            Manley springs are pretty cheap and a nice rate increase and increased travel to coilbind.

            I would keep the stock retainers. Titanium retainers wear against hardened steel springs since they're so much softer.

            I think a set of those springs was like $90-100ish a few years ago.
            '18 Chevrolet Volt - Electric fun hatch for DD duty!


            DefSport Koni Sleeve and Spring Perch Buy!!!
            http://www.nissanroadracing.com/showthread.php?t=5902

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            • #7
              Thanks again Def!

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