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  1. #1
    JD
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    What injectors would be best with RUDE 3 ?

    I now have Rude 3 in my rxpx and use RIVA 50 injectors. I found that my exhaust manifold started melting. I tried friend's Bosch 48 and it was alot better. In some threads I read that guys use Bosch 50 and 55. Wanted to ask which one's should I buy 48 50 55 ? Thanks for info.


  2. #2

    3 rude

    Quote Originally Posted by j.dabrila View Post
    I now have Rude 3 in my rxpx and use RIVA 50 injectors. I found that my exhaust manifold started melting. I tried friend's Bosch 48 and it was alot better. In some threads I read that guys use Bosch 50 and 55. Wanted to ask which one's should I buy 48 50 55 ? Thanks for info.
    Hello ,i use 3 rude with rotax racing ecu and rotax racing brown injectors, i use egt temp. and i don't now why my egt is 790°c with 137+3 rotax egt is 880°c, generally increases when the pressure and the gas does not have the EGT increases, then what do I think that the rotax 137 +3 more pressure of 3 rude? everything is very strange that I may ride AFR.ciao

  3. #3
    richrxp's Avatar
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    I use bosch 50's with much succes with my 3 Rude.

  4. #4
    Having Fun jp1300r's Avatar
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    Quote Originally Posted by j.dabrila View Post
    I now have Rude 3 in my rxpx and use RIVA 50 injectors. I found that my exhaust manifold started melting. I tried friend's Bosch 48 and it was alot better. In some threads I read that guys use Bosch 50 and 55. Wanted to ask which one's should I buy 48 50 55 ? Thanks for info.
    You must be very lean to melt a exhaust bell with a 08+ midpipe. Are you still running the RIVA ecu? Because if you just put the 3RUDE in, you were so lean its not funny.

  5. #5
    Eastside Powersports Slow 91's Avatar
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    i ran bosch 50's in my gpr...was pretty rich. Bosch 48's worked best for me.

  6. #6
    JD
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    I am very lean, ecu is reflash from Jerry 8800 rpm.

  7. #7
    JD
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    I tried with Bosch 48 and it also was good, just found out people were using 50 and wanted to find out maybe it was better. I'll buy Bosch 48 and it will be fine.

  8. #8
    Autosport's Avatar
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    Quote Originally Posted by Slow 91 View Post
    i ran bosch 50's in my gpr...was pretty rich. Bosch 48's worked best for me.
    Slow, what ecu were you running?

  9. #9

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    Why not go bigger so you can turn the fuel pressure down?
    Without rising rate you would want 60-70lb injectors and the fuel map for those injectors and the rude 3

  10. #10
    Eastside Powersports Slow 91's Avatar
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    Quote Originally Posted by Autosport View Post
    Slow, what ecu were you running?
    Riva in both ski's

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