Recent content by rx1 fern

  1. rx1 fern

    Looking for someone with big boost rx1

    What’s the turbo setup you have on your sled . I run a custom made turbo setup on mine also with precision 5558 turbo and this new setup spools fast and pulls hard . I’m running msd mc4 on my rx1 . Can you tell me your carb setup . Where your needle clips are and what main jets you run . With my...
  2. rx1 fern

    Intercooler potential

    Good day everyone . Have a question for you guys . At what hp level does the charge pipe and intercooler size start losing its effiency . I’m running the powderlites intercooler still and it’s only 2.25 thick . I have a new header design on sled like osp use to build and a bigger turbo 5558...
  3. rx1 fern

    25/50 gearing on viper ltx

    So you didn’t loose and bottom end fun .
  4. rx1 fern

    25/50 gearing on viper ltx

    So what gearing and chain are you using . How is the bottom end pull and mid pull with your setup . What sled and what’s all done to sled . Thanks
  5. rx1 fern

    25/50 gearing on viper ltx

    Has anyone tried the 25/50 gearing on there Ltx . Stock is 24/50 . Does the stock chain still work with 25/50 and how did you like it if you tried it out . Thanks
  6. rx1 fern

    Rx 1 racing mods

    I have a turbo kit if your looking for one
  7. rx1 fern

    Front mount header hp potential

    It’s the .64 a/r . Thanks also
  8. rx1 fern

    Front mount header hp potential

    It’s the 5558 turbo . I’m shootings for 500 plus hp .
  9. rx1 fern

    Front mount header hp potential

    Some of the progress so far . Lots of work fabricating new header . Now I know why headers aren’t cheap to buy lol . Should flow nice this setup .
  10. rx1 fern

    Front mount header hp potential

    Gonna build one I think . Bought a merge collector to build one with also. Bought a precision 5558 turbo also for sled .
  11. rx1 fern

    Front mount header hp potential

    What is the limit Hp of a front mount 4 to 1 header . Say you change the header flange and weld another one on and install a gt 3076 . Will the front mount be too restrictive of a header for good flow . Thanks.
  12. rx1 fern

    Precision turbos

    That’s the plan but the Garrett 2860 isn’t cutting it no more . Bought a precision 5558 for it now and making a new header for it this summer . Motor is already built so time to turn it up my friend . Lol
  13. rx1 fern

    Precision turbos

    Good day . Do any of you guys run precision turbos on your sleds . I see lots of guys run them on there artic cats 1100 and they seem to run nice and quick . Most Yamaha turbo sleds I see run Garrett . What’s peoples thoughts on the precision turbos . Thanks
  14. rx1 fern

    F/S Aftermarket Goodies : Apex, Vector Nytro, Phazer, RX-1, SR Viper... Updated 9/10/20

    You have any evo 4 flashed pcm for sale . Thanks
  15. rx1 fern

    '03 RX-1 turbo header gaskets

    Yup same one bud . Good gaskets


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