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Need to ditch my S50 Dinan chip

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    #1

    Need to ditch my S50 Dinan chip

    They say there's only two seasons in Las Vegas; Summer and January. Which leads me to today's topic.

    My S50 cabrio arrived in my driveway with a "Dinan" chip of unknown lineage. The engine detonates at low/mid-revs using 91-octane gas, especially at 115F ambient, which it is in Las Vegas a lot. Backing off the throttle stops the detonation, but obviously it's not much fun.

    Engine is stock except for (according to PO) polished heads and a lightweight flywheel. Stock exhaust manifolds.

    So I'm looking for another chip. For an M20, I'd get a Mark D, but I haven't heard anything about his S50 chips. "The Racer's Market" that posts here can set up a chip for 6500 redline (good for me - I want to drive the car for many years) and lightweight flywheel. Bone-stock OEM chip is also tempting.

    Can some folks weigh in on their experience with this, especially 91-octane users?

    Thanks!
    "If the sky were to fall tomorrow, the tall would die first."

    -Dr. Paul Forrester



    Do I LOOK like I need a psychological evaluation???
    Tags: None
    #2
    I've sent out about 5 91 octane chips... anyone want to step forward?

    Of course, a stock chip will fix your pinging issue just as well. It will cost you some power vs one of my 91 octane chips, but that's the way it goes. Just make sure you get a non-ews chip if you go that route.

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      #3
      I have an S50 with a 506 (gray) DME and a lightweight flywheel. If I order the TRM chip for that application and 91-octane, will it be detonation free even while lugging the engine? Should I just order off the website, or is there an R3V-friendly process?

      Thanks
      "If the sky were to fall tomorrow, the tall would die first."

      -Dr. Paul Forrester



      Do I LOOK like I need a psychological evaluation???

      Comment

        #4
        We have never had a complaint of pinging with our chips under any circumstances. In fact, I sent a 91 octane chip to someone who was having pinging with a competing chip, and he PMed me back that he has no pinging AND more power.

        Go ahead and order off the website, but make sure you put in "R3VSHIP" for free ground shipping. Also make sure you pick the correct drop down boxes with your chip and put any additional details about your motor or mods into the comments section when you check out. Thanks!

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