919 Turbo - Wrist Twisters
 
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post #1 of 32 Old 08-26-2007, 06:39 PM Thread Starter
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919 Turbo

Interesting story about turbocharged CBR900:
http://www.sportrider.com/features/1..._project_bike/

Has anyone tried same on 919 ?

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post #2 of 32 Old 08-26-2007, 06:52 PM
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I read that story a while back & went so far as to call Mr Turbo and ask if they still sold the kit. When they said no, I asked if I could buy even just some of the plumbing (I've got turbos on the shelf). No dice.
With its relatively low compression I think the 919 is a good candidate for a low pressure (3-5 psi) turbo setup but I do not weld and good fabricators are nearly impossible to find in my area.

By the time I got all the bits made, it would be cheaper to stuff a 954 engine in there for an extra 30 hp.

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post #3 of 32 Old 08-27-2007, 09:07 AM
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GPZ, where can I find all the necessary info on seting up a turbo on the 919? I also want to turbo a CB550 motor I have. Do you know of a good source to learn this stuff. I can fab all of the parts needed. I have been looking at using a Garrett GT12 on the CB550. The GT15 would probably work well on the 919.

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post #4 of 32 Old 08-27-2007, 09:49 AM
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turbo101 (102,103)
http://www.turbobygarrett.com/turbob...ch_center.html

I can take a few pics of the 750 Turbo if you'd like which will give you a good idea of what you'll have to do since it is also an inline 4. Pictures are worth a......you get the idea.

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post #5 of 32 Old 08-27-2007, 12:23 PM
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Yeah, lets see some pics. My main question on the CB550 is what all needs to be done to do a blow through carb setup. The delima on the 919 is what to do to the FI system to make it work. Thanks for the sight.

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post #6 of 32 Old 08-27-2007, 01:58 PM
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there's a guy named steve
steve is bald
steve likes turbos
steve had a 919
steve never did turbo his 9r
poor steve


fab-schmab
clydesdale welding in mt holly ain't all that bad for basic fab'ing
there's some talent out there, gotta hunt it up
exhaust guy (home of the happy hooker) in pemberton has done some trick stuff w/ turbos (talked to him about fabbin full track exhaust w/ monster dump for the 951)...he had his sh!te together

might swap in larger injectors w/ turbo app, though the 9r's are purposed-sized

waaaaaay too much effort on the 9r imho but i wouldn't let that stop me on a cold winter's night w/ nothing to do but screw around in the garage

oh yeah, and HEEEELLLLLOOOO Dirty...didn't notice the sig until just now, good to see ya!

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post #7 of 32 Old 08-27-2007, 02:53 PM
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Hey Rat. It was nice to see some of the old names from the motorush days when I stumbled upon the WT.

Would the 919 need a stand alone ECU to accomodate for the FI needs or can one use the stock ECU with mods?

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post #8 of 32 Old 08-27-2007, 05:49 PM
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Quote:
Originally Posted by ratdog View Post
fab-schmab
clydesdale welding in mt holly ain't all that bad for basic fab'ing
there's some talent out there, gotta hunt it up
exhaust guy (home of the happy hooker) in pemberton has done some trick stuff w/ turbos (talked to him about fabbin full track exhaust w/ monster dump for the 951)...he had his sh!te together

might swap in larger injectors w/ turbo app, though the 9r's are purposed-sized

Don't get me started on the happy hooker. Sutton is a great guy-I'll buy him a beer and shoot the **** with him any day but he's had my friggin straight pipe for months and can't seem to finish it. I even supplied the cnc machined stainless flange & a finished pipe to copy from.
Mufflex in Trenton is supposed to be good but they wanted $1000 just for the jig. Outrageous.
I ain't heard of the clydesdale place. I'll check it out.

btw-where are you?

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post #9 of 32 Old 08-27-2007, 05:52 PM
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Quote:
Originally Posted by royalchoppers View Post
Hey Rat. It was nice to see some of the old names from the motorush days when I stumbled upon the WT.

Would the 919 need a stand alone ECU to accomodate for the FI needs or can one use the stock ECU with mods?
The gpz turbo has a fuel pressure regulator w/a vacuum port and raises the fuel pressure as the boost builds. Aside from that, pc3 will do the trick.

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post #10 of 32 Old 08-28-2007, 11:35 AM
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with all the trials, tribulations, and limited success so far on my (world's only?) wet-nitrous hornet, i STILL am glad i didn't undertake turbo. in regards to both money and time/headache. believe me i thought about it, and i still do think about it occasionally as i struggle in my efforts to run a high-nine second quarter mile.

last sunday i nudged my personal best trap speed up to 134mph and change. didn't improve upon my 10.46 e.t.
i'm still fighting my fuel, and am dropping a few more octane points before next sunday.

added a small Givi flyscreen this week: that may be where i found my extra mile per hour
Attached Images
File Type: jpg 8-19-07.jpg (96.2 KB, 53 views)

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post #11 of 32 Old 08-28-2007, 12:37 PM
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So I wonder if the stock injectors would supply enough fuel to the mill so that it is not to lean out and hand grenade? I guess one would have to set it up and run it with a wideband on it to see.


Lets see some GPZ750 pics.

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post #12 of 32 Old 08-28-2007, 09:33 PM
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Quote:
Originally Posted by bucky View Post
up to 134mph and change. didn't improve upon my 10.46 e.t.
i'm still fighting my fuel, and am dropping a few more octane points before next sunday.

added a small Givi flyscreen this week: that may be where i found my extra mile per hour
Bring It Tinman !! Dry shot ready for the fall runs at Atco (not sure i'll leave the 15/45 setup on, will try leavin in 2nd maybe)...first time takin my sister's kids down there. better than a half dozen of them and i already know which ones are the motor-lovin-gearheads i always drive by the gas shack w/ those fancy octanes thinkin...what if, but i'm just workin launches till i get on somethin that'll haul my fat butt at a proper speed...a neglected busa picked up cheap and gone naked is the current pipe dream

turbos - my experience is w/ 4/6cyl porsches and your ok w/ the stock injectors w/ the smaller quick spool units (stock ecu worked)...start bumpin up to the bigger compressors and you need to oversize the injectors, go w/ a high pressure fuel pump and adj regulator...and then you're always worried about things not dumpin quick enough up top...i'd start mild w/ stock inj and ecu and u really gotta love doin the stuff cause it's a lot of time u can start chasin ur tail quick but when u finally dial it in, it's just soooooo addicting i have one toy that should be long gone but i just can't pull the trigger cause any time i drive it, it all comes back and i know what else can be done...careful thinkin about this road

medford huh? i go deep in medford, long time...

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post #13 of 32 Old 08-28-2007, 09:48 PM
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I think I am going to have to take the turbo challenge this winter. There is no way I am going to cut the riding season short to attempt this.

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post #14 of 32 Old 08-29-2007, 04:11 AM
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atp & mrTurbo had similar kits for the kz's.
There's a kz900 turbo on ebay now:
http://cgi.ebay.com/ebaymotors/ws/eB...m=220144626427

I'll try to get some gpz pics up later.

rat-have you installed that dryshot kit yet? how's it working so far?

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post #15 of 32 Old 08-29-2007, 04:18 AM
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Another cool Z1 turbo.


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post #16 of 32 Old 08-29-2007, 12:22 PM
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post #17 of 32 Old 08-29-2007, 12:23 PM
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Quote:
Originally Posted by gpzTurbo View Post
atp & mrTurbo had similar kits for the kz's.
There's a kz900 turbo on ebay now:
http://cgi.ebay.com/ebaymotors/ws/eB...m=220144626427

I'll try to get some gpz pics up later.

rat-have you installed that dryshot kit yet? how's it working so far?

pay to play turbo man....you'll find out on that sweeper by atsion

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post #18 of 32 Old 08-29-2007, 03:00 PM
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That freshly paved sweeper near the campsite? Depending on which bike I'm on, I'll probably get there a half mile before you anyway.......

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post #19 of 32 Old 08-30-2007, 07:22 AM
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got a nice ride in out in the pines last night...dodgin deer is great fun

looped back over to redlion, buzzed by the trooper barracks on the 919, woke up a sleeping cruiser who proceeded to jump out, lights on...but he's too slow to tag me so he picks on my poor bashtid buddy trailin on the zrex bawwhahahahaa...hassles him, no paper ...too funny

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post #20 of 32 Old 08-30-2007, 07:28 AM
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Rebel!

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post #21 of 32 Old 09-01-2007, 04:34 AM
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Here you go RoyalChoppers

4-1 turbo header. The collector flange can be made or usually bought from the same place you get your turbo.



The turbo needs an oil line for lubrication and drains back to the pan.



The exhaust side of the turbo: on my bike this originally went to an "h" underneath for dual mufflers but has since been fitted with single straight pipe. See those tight bends? That's what Dave the Fabricator is having a problem with using 2" 304 stainless. I finally told him yesterday stop being so picky - chop n dice, make the welds pretty, and finish the pipe. It'll be behind a belly pan anyhow.



The air inlet side: stick a K&N on the snout and call it a day.



The blue pipe runs to the airbox which needs to be completely sealed. Your oem air filter goes bye bye.




The original turbo with fixed boost had only a rising rate fuel pressure regulator. The turbo is bigger now (larger compressor wheel) along with the throttle bodies/injectors, adjustable fpr, and a fuel pressure gauge tee'd in.



For the 919, I'd probably consider the Power Commander boost input module:
http://www.powercommander.com/powerc...ction_hub.aspx

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post #22 of 32 Old 09-02-2007, 12:52 PM
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So you think you can make a header like that for the 919?
Notice on the cbr900 they relocated the oil filter which probably isn't necessary.

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post #23 of 32 Old 09-02-2007, 02:13 PM
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Yes, I can most definately fab up a turbo manifold like that. All of the fabrication aspect looks pretty straight forward. It is tempting. The only thing as usual that will limit me is the funds. It will be winter for sue when and if this project starts. Oh, but it would be such a beautiful thing for a 919 to be whistling.

Why doesn't your fab guy use some tight radius stainless u-bends to do your down pipe?

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post #24 of 32 Old 09-02-2007, 04:30 PM
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That power commander hub looks like it would be great for the niner on boost.

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post #25 of 32 Old 09-02-2007, 05:30 PM
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Quote:
Originally Posted by royalchoppers View Post
Why doesn't your fab guy use some tight radius stainless u-bends to do your down pipe?
He was making a jig so that several pipes could be made. He ordered a few pre-bent pieces that all had inconsistencies in their measurements which made it difficult to fit into the jig.
Regular jobs kept pouring in and mine got shoved into the back room.

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post #26 of 32 Old 09-02-2007, 05:32 PM
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I see. That sucks when the bro deals must get set to the side for paying jobs. What turbo is on the bike in the pics above. I am think that the Garrett GT-12 would be a good choice. What do you think? I would like to see a intercooler also, but that always throws a space issue in.

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post #27 of 32 Old 09-02-2007, 07:06 PM
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The turbo pictured is the original Hitachi ht-10b modified with a larger compressor wheel. gt12 is probably an excellent choice.
If I go the turbo route with this bike, I'll use a hitachi that I had rebuilt to stock specs.

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post #28 of 32 Old 09-02-2007, 07:11 PM
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http://cgi.ebay.com/ebaymotors/Hitac...spagenameZWDVW

Looks too small, but pretty cool.

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post #29 of 32 Old 10-25-2007, 07:48 PM
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Hey Ratdog

Quote:
Originally Posted by ratdog View Post
Bring It Tinman !! Dry shot ready for the fall runs at Atco (not sure i'll leave the 15/45 setup on, will try leavin in 2nd maybe)...first time takin my sister's kids down there. better than a half dozen of them and i already know which ones are the motor-lovin-gearheads i always drive by the gas shack w/ those fancy octanes thinkin...what if, but i'm just workin launches till i get on somethin that'll haul my fat butt at a proper speed...a neglected busa picked up cheap and gone naked is the current pipe dream

turbos - my experience is w/ 4/6cyl porsches and your ok w/ the stock injectors w/ the smaller quick spool units (stock ecu worked)...start bumpin up to the bigger compressors and you need to oversize the injectors, go w/ a high pressure fuel pump and adj regulator...and then you're always worried about things not dumpin quick enough up top...i'd start mild w/ stock inj and ecu and u really gotta love doin the stuff cause it's a lot of time u can start chasin ur tail quick but when u finally dial it in, it's just soooooo addicting i have one toy that should be long gone but i just can't pull the trigger cause any time i drive it, it all comes back and i know what else can be done...careful thinkin about this road

medford huh? i go deep in medford, long time...
Are you taking your dryshot bike to Atco soon?

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post #30 of 32 Old 10-25-2007, 11:14 PM
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yes...even though it's pretty silly takin my mighty 11 sec 919 down there, i'll go again just to get a time on the new setup sometime in the next couple weeks

but i'm gonna hit a couple tues/fri's b4 hittin a gambler's run on Sun...

u got somethin u want a new time on?

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post #31 of 32 Old 10-26-2007, 03:58 AM
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Maybe you're more serious about it than I am. All times I went with street cars/bikes were for fun so I don't think it's silly to take a 11 sec bike at all.
Lemme know when you're going.

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post #32 of 32 Old 10-30-2007, 05:40 PM
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e.t. means nothing in bracket racing, other than the amount of head start one of you will get. people win money on Buell Blasts.

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