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Markert Motor Works Dyno Thread (many inside)

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  • ForcedFirebird
    replied
    Originally posted by DesertBMW View Post
    So you took naturally aspirated 6 cylinder BMW car stock with stock tune then did a dyno run then tuned it then did another dyno run and made 40hp/40tq?
    Red label 413 s52 swapped e30 with forged pistons (10.5:1), sunbelt cams, obd1 manifold, 3.5" MAF, 24lb injectors and long tube headers. Same dyno same day, same tuning session. It probably would have done a little better if it was left to cool down, it was pretty heat soaked by the end. The first pull was a very popular companies mail-order chip made for this particular combination.

    I use TunerPro RT and an emulator.

    Originally posted by 328ijunkie View Post
    By the looks of it be did ~40 runs and picked up at max delta 30 in the midrange...
    Yes, right where the RPM's are post gear shift. Didn't pick up peak power, but 30hp at the shift made it a whole new car to drive. Peak torque really moved up as well as area under the curve.

    Leave a comment:


  • 328ijunkie
    replied
    I have an emulator. Do I use it at dyno? No. Reflash time is ~49 seconds so don't really need it. Only thing I use it for is full flashes (256k)

    Leave a comment:


  • DesertBMW
    replied
    Originally posted by 328ijunkie View Post
    I personally hate doing obd1 stuff. For one, don't have an emulator so I'm constantly flashing chips at dyno
    Are you saying you have the 28F200 emulator for MS41 and you do real time tuning on a dyno?

    Leave a comment:


  • 328ijunkie
    replied
    I personally hate doing obd1 stuff. For one, don't have an emulator so I'm constantly flashing chips at dyno, in addition to that the obd1 cars I have tuned I've never been happy with. They usually don't come to me working/running at 100% and tuning them is a headache. Sometimes I'll do 3 runs without changing a single
    Thing and the hp/tq will waver by 20
    For whatever reason. Also
    The knock sensor feedback is abismal so max power dyno tuning is fun...

    Leave a comment:


  • mpowerful
    replied
    Dave do you do charity case tunes hahaha?

    Serious question though i noticed you changed the site up and didnt see any reference to obd1 tune prices. How much would it be to do a obd1 dyno tune? Do you have an emulator you can plug up for dyno then flash final tune to a chip?

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  • Bimmian89
    replied
    http://m.youtube.com/watch?v=GDjLrd-...e_gdata_player

    Dave is the Fk'n man!

    Leave a comment:


  • RobertK
    replied
    All kinds of HPs and TQs and stuff. I'm diggin' it.

    Leave a comment:


  • digger
    replied
    Originally posted by DesertBMW View Post
    So you took naturally aspirated 6 cylinder BMW car stock with stock tune then did a dyno run then tuned it then did another dyno run and made 40hp/40tq?
    http://www.r3vlimited.com/board/show...&postcount=151

    Leave a comment:


  • 328ijunkie
    replied
    By the looks of it be did ~40 runs and picked up at max delta 30 in the midrange...

    Leave a comment:


  • DesertBMW
    replied
    Originally posted by ForcedFirebird View Post
    Have you ever spent any time tuning on a dyno? I have before/after that gained 40wtq and 40whp. Same dyno, same day, consecutive runs. :)
    So you took naturally aspirated 6 cylinder BMW car stock with stock tune then did a dyno run then tuned it then did another dyno run and made 40hp/40tq?

    Leave a comment:


  • ForcedFirebird
    replied
    Originally posted by 328ijunkie View Post
    That torque jump...
    Under curve :)

    So many people only look at peak.

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  • Aviator
    replied
    Wow, that s52 is healthy!

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  • surebimmer
    replied
    Are these OBD 1 tunes or OBD 2. Or does it not matter? Can you remote tune?

    Leave a comment:


  • 328ijunkie
    replied
    Originally posted by ForcedFirebird View Post
    That torque jump...

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  • digger
    replied
    is it just one switch point (two regions) where you define a adv/ret for each region? i know the newer M S5x were infinite variable

    Leave a comment:

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