Turbo YZ


350 replies to this topic
  • MuDPoUNdeR

Posted May 06, 2009 - 07:19 PM


I think I would poop my pants when If I snapped the throttle on that bike haha

  • yz480doinwork

Posted May 06, 2009 - 07:52 PM


Not sure Bro....I kinda like RIDING my bikes and not working on them all the time.....:excuseme: :smirk: :ride: :cry: :cry:

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[COLOR="Blue"]NOS Nitrous equipped....... [/COLOR]


mad props to BC3!

  • PremixForever

Posted May 06, 2009 - 08:26 PM


Just thinking here, don't you have to put the carb before the turbo?


and YOUR the deisel man? lol Injectors maybe lol??

  • finthat

Posted May 07, 2009 - 02:55 PM


and YOUR the deisel man? lol Injectors maybe lol??


I think on a gas jobber you can have the turbo either way. Each way has its own set of problems as you can see here and I think if it were before you would have more with restriction at low rpm ect.

But I could be wrong.....just like my wife says I am all the time. :excuseme:

  • PremixForever

Posted May 07, 2009 - 03:22 PM


I know, It was supposed to be a "thought grenade"

  • yz480doinwork

Posted May 07, 2009 - 06:35 PM


got some good info from a YFZ turbo guy today. said he ran 0 fuel pressure at bottom. i dont see how thats possible but i have like 2 1/2 pounds so im going to continue lowering mine. hopefully it'll run

  • gbalias

Posted May 07, 2009 - 08:26 PM


whenever youre ready for a wideband, lemme know.

  • JamesNad

Posted May 08, 2009 - 07:11 AM


does ur regulator have a boost reference port on it???

  • yz480doinwork

Posted May 08, 2009 - 07:58 AM


whenever youre ready for a wideband, lemme know.


buddy i know its rich. i can tell what its doing.


and yes my regulator has a boost port. 1:1 rising rate.

  • gbalias

Posted May 08, 2009 - 03:31 PM


i can tell what its doing.




really? then why arent you riding it yet? :smirk:


cmon man......im not trying to give you a hard time...i just dont see why its worth it to do it half way. i dont imagine youre an engine builder with 30+ years experience in building and tuning carbureted FI engines.


if you decide to get the proper tools, i know of a good deal on Innovate products. :excuseme:

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  • yz480doinwork

Posted May 09, 2009 - 07:46 PM


alright i get it. but i can tell its way rich. and i see no reason to continue spending money if its never going to run. i would get a wide-band and it would tell me its way rich. once i get the thing to where it will actually boost up and run somewhat like it should, i might consider a wide band. ill be in touch

  • yz480doinwork

Posted May 09, 2009 - 07:49 PM


really? then why arent you riding it yet? :excuseme:


because somethin is in my carb is causing it to be way rich. i dont need a wideband to tell that, a wide band wont fix that. plust gauge space is kinda limmited. i keep ruining fuel pressure gauges. went through two so far. i think the viberation is killing them. gotta find a liquid filled one... then have to build another gauge pod.

  • nitronaf

Posted May 10, 2009 - 09:03 PM


dont give up!
here have a read here
http://unclebobsturbos.com/newbie.html
hes the father of the turbo drz :excuseme:

  • yz480doinwork

Posted May 12, 2009 - 05:35 PM


never heard of a pitot tube. i think the disturbance of airflow with a pitot tube would hurt more than just having a fitting screwed into the charge tube. but maybe not.

  • gixxer7500_0

Posted May 13, 2009 - 01:40 PM


what about fitting a simply carb maybe off a cr500 or some big 2-stroke snowmobile ?

  • yz480doinwork

Posted May 13, 2009 - 03:49 PM


that may have to happin. but obviously the YFZ guys are making these carbs work. there is only a slight difference between the YZ and the YFZ carb. so i SHOULD be able to get mine figured out. its gettin pretty old tho

  • ProjectDIRT

Posted May 13, 2009 - 06:03 PM


theres a company cant remember the name but they make a efi set up that the quad guys switch to when turboing. ill pm you a guy to call he races in the 4 stroke wars and stuff owns a yfz450 shop great guy.

  • nitronaf

Posted May 14, 2009 - 05:49 AM


theres a company cant remember the name but they make a efi set up that the quad guys switch to when turboing. ill pm you a guy to call he races in the 4 stroke wars and stuff owns a yfz450 shop great guy.

megasquirt?

  • desert-rat660

Posted May 14, 2009 - 04:55 PM


im going to attempt to convert my bike to EFI using the parts from the yfz450r, if i can find out if the flywheel will fit on the wr crank end then it will be possible.

  • yz480doinwork

Posted May 14, 2009 - 06:07 PM


ill be calling him. im looking for a smaller needle and seat. anyone know where one can be found for a YZ?





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