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  1. #1
    cayennet78's Avatar
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    R&D programming ecu.

    Heard allot about what what vtech can do. Anyone with RDs? They claim 58mph on 91octane.


  2. #2
    suicidebonger's Avatar
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    ^Wondering the same, R&D claims sound a lot better then what I am seeing with vtechs best tune top end wise. Someone please by a good one and let us know.

  3. #3
    Been around for years...seen it all Kawi-Guy's Avatar
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    The claims are bogus unless you see it in real life....

  4. #4
    Quote Originally Posted by Sparky-Guy View Post
    The claims are bogus unless you see it in real life....
    You have a 2015 spark?

  5. #5
    Been around for years...seen it all Kawi-Guy's Avatar
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    Already on order !!! Waiting for delivery

  6. #6
    Sarge707's Avatar
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    RPM,s are RPM,s How could one tune get you 52 at 8,400 (For example) and the other guys tune get you 58 at 8,400 ???

  7. #7
    SLASHER's Avatar
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    Quote Originally Posted by Sarge707 View Post
    RPM,s are RPM,s How could one tune get you 52 at 8,400 (For example) and the other guys tune get you 58 at 8,400 ???
    Yeah more like 52 at 8400 ...

  8. #8
    cayennet78's Avatar
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    8650 nets 57mph... So they claim... Just so there's no confusion. However, the R1 vs R2 tunes are confusing though. 8250 nets 54, and 8450 nets 54?
    Regardless, anxious for someone to be the guinea pig and get some real world testing.

  9. #9
    Been around for years...seen it all Kawi-Guy's Avatar
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    People have tested these, and they go quiet.
    That is not good news. When they get dissapointed they go away or go silent.

  10. #10
    cayennet78's Avatar
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    Quote Originally Posted by Sparky-Guy View Post
    People have tested these, and they go quiet.
    That is not good news. When they get dissapointed they go away or go silent.
    Eh, where I come from, when something is good, you tell 5 people. When something sucks, you tell 20.

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