Stu64
Zone Head
Posts: 548
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posted June 23, 2010 02:51 PM
So what are the choices when replacing injectors?
What brands and what size would one want to use for up to 500hp?
  
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01smokes
Needs a job
Posts: 2243
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posted June 23, 2010 04:53 PM
quote:
So what are the choices when replacing injectors?
What brands and what size would one want to use for up to 500hp?
im running the botch 725cc injectors they work good, and idle like stock. i would recommend them all day long
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Stu64
Zone Head
Posts: 548
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posted June 23, 2010 04:56 PM
Where did you buy them?
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01smokes
Needs a job
Posts: 2243
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posted June 23, 2010 09:22 PM
schnitz, i am also running a aftermarket fuel rail its a tight fit but it does fit
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Stu64
Zone Head
Posts: 548
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posted June 24, 2010 02:54 AM
 Edited By: Stu64 on 24 Jun 2010 10:54
Schnitz injectors are a little high on the price.
I sent this place the info on the schnitz injectors and they sent me this recommendation.
http://www.fiveomotorsport.com/domestic-high-performance-fuel-injectors/?itemid=1099
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Stu64
Zone Head
Posts: 548
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posted June 24, 2010 02:59 AM
I am thinking these injectors with one of comptons fuel rails and still under $500
Money is tight right now,spent enough on this bike already!!!
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Stu64
Zone Head
Posts: 548
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posted June 24, 2010 05:39 PM
Checked fuel pressure at 7psi and its right at 92psi. checked waste gate too and it opens at 7psi w/7psi spring. Pulled all the plugs and they do not look too bad at all,but i had them in since last season.
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dubious
Needs a life
Needs more time to ride!
Posts: 8442
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posted June 25, 2010 03:59 AM
quote:
I am thinking these injectors with one of comptons fuel rails and still under $500
Money is tight right now,spent enough on this bike already!!!
thats what I would do...
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natural selection.....
destiny will overcome intervention.
Some are not worthy of the effort.
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Compton
Zone Head
Posts: 969
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posted June 25, 2010 05:50 AM
If you need a rail, let me know. I wont be at 2 wheel speed this weekend, but my friends will be.
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b.w.
zx14, little longer, little louder, little lower.
08 Busa, just a little longer and louder and lower than the 14
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gilberjj
Needs a job
Friend of Fast
Posts: 3196
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posted July 24, 2010 11:53 PM
Which injectors can you use with the stock fuel rail?
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01smokes
Needs a job
Posts: 2243
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posted July 25, 2010 08:28 AM
quote:
Which injectors can you use with the stock fuel rail?
the 725cc that i have will work on stock rail
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gilberjj
Needs a job
Friend of Fast
Posts: 3196
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posted July 25, 2010 12:00 PM
quote:
quote:
Which injectors can you use with the stock fuel rail?
the 725cc that i have will work on stock rail
01smokes, do you ever change your tune with e85 varience? I've heard that it can be difficult to keep a constant good tune with e85, as it's closer to e70 in the winter, and e90+ sometimes in the summer. I'm still debating wether to use stock injectors and race gas or just bite the bullet and put on larger injectors and run e85.
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01smokes
Needs a job
Posts: 2243
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posted July 25, 2010 12:17 PM
quote:
quote:
quote:
Which injectors can you use with the stock fuel rail?
the 725cc that i have will work on stock rail
01smokes, do you ever change your tune with e85 varience? I've heard that it can be difficult to keep a constant good tune with e85, as it's closer to e70 in the winter, and e90+ sometimes in the summer. I'm still debating wether to use stock injectors and race gas or just bite the bullet and put on larger injectors and run e85.
ive never changed my tune, i have a wideband on the bike and i watch it close, some days its a little rich and some days its goes on the leaner side its never gone lean but it does move around some. it will move around from 11.4-11.9, i think ive seen 12.0 a few times but that was just that one tank of fuel.
e70 has made over 1kHP and hell E98 is crazy shit too. I have nit heard the limit on power people can make on E85 yet and its HARD as hell to get it to detonate because it burns so cool. My bike DOES not warm up ever its always just 1 bar, when sitting in traffic it gets to 2 bars but once i start rolling it drops back down to one
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01smokes
Needs a job
Posts: 2243
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posted July 25, 2010 12:24 PM
Now that my motor finaly went on the bike ill build it and turn it up, ill take pics of the parts as i pull them out, im sure the pistons are still good enough to re use. i knocked some bearings out of the bike, thats what caused it to go
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Stu64
Zone Head
Posts: 548
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posted July 25, 2010 01:49 PM
How do get at the injectors to replace them?
Does the whole throttle body assy. have to come out?
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01smokes
Needs a job
Posts: 2243
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posted July 25, 2010 02:03 PM
quote:
How do get at the injectors to replace them?
Does the whole throttle body assy. have to come out?
yep it all comes out are you doing the fuel rail as well? for some reason it wont let me send the maps let me see if i can get them on my desk top and try from there
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Stu64
Zone Head
Posts: 548
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posted July 31, 2010 07:12 PM
What is the easiest way to get the throttle body assembly out?
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