Turbo GS

[Bling!]

Hey all,

Sorry I was gone so long ....Life moves on and the project sort of burnt me out for a bit   . A few of you had questions, so I thought that I could start a discussion about the project.  

Alexander

[Briggs]

So you have a turbo on your GS?

[yamahonkawazuki]

was that your bike in the wof?, if so, im kinda curious about 1, costs, who made parts,, 2. needed engine mods (if any) btw wow!!  :mrgreen:

[Bling!]

yeah, that's my black suzuki...

roughly, the cost was about 3500-4000 but I used a lot of top of the line parts.  You could probably do the same for 1500-2k.  

My team made most of the parts by hand.  

Alexander

[octane]

Are you gonna post the info? For 2K I'd turbo my GS just for kicks!! I even got a spare motor in the garage for when I blow it up! Hook a brotha up!  

[yamahonkawazuki]

man that is wild!!!!, could you at least tell us where to get parts, or share any info, id be most appreciative, (as i am sure a lot of others here would be)   Thanks!!!

[octane]

You're still pissin' on the flag man!

[96gs]

ok who cares how much the damn thing costs. i wanna know how much fun it is and what your performance ratings are now and if it is street legal (doubt it)

[South East Rocket]

I dig the fact that you could ride a little bike as fast as some of the SuperSports out there.

Bling,

Do you have any stats?  1/4 mile? Top speed?...

[Bling!]

the stats on the bike are as follows: The bike can run 30 psi for a few secs, but i usually turn it down to 10 to 15 psi.  This is to protect the stock, I repeat, Stock motor.  No special balancing, titanium do hickeys and what not.  Before you guys jump my case, remember that the engine does not run at a higher rpm than stock; it is simply running at a higher BMSP (brake mean specific pressure) in the cylinder.  Provided you keep your engine well oiled, and only stay on the boost for a few seconds, you're fine.  Where people get in trouble is when they have overboosted an engine and then over rev it.  Ouch. $$.

Besides...8 seconds of boost and you're well into triple digits.

The Turbo is a GT-15 with a ceramic turbine.  It spins about 200K RPM and was originally desinged for a 1.4 L diesel engine.  You could buy something similiar to this for new for about $800.  You could also find one on ebay with few hours on it for much less.  The rest of the parts are between $1000 and $1500 depending on how many gauges you want.  

My riding impressions: It's a lot of fun to ride, but the turbo can get a little hot.  Boost is available from 3000 rpm to 11k, and from 50 feet away, the whistle of the turbo drowns out the exhaust note.  Note: a turbo acts as an exhaust by dispeling the majority of the exhaust pulse into the compressor.  As a result, the pipe is quiet, but the turbine whisles like a jet engine....200,000 rpm remember? The bike is balanced and above 3K RPM the turbo is seamless.  3/4 throttle under boost is still a problem, with some hesitation and coughing. Blame the Carburetors.  Besides, you don't build a turbo for 3/4 throttle, right?

I built most of the other items by hand.  The plenum is 1/4" aluminum pipe with a 6 in diameter and welded in Velocity Stacks.  The carbs are sealed and the caps are bolted down with a reinforment bar.  The exhaust and intake are pretty basic tube work in Aluminum and 304 Stainless, with a little 317 stainless thrown in for the exhaust flanges.  Gaskets are made of Copper, by hand and are .010 thick.  The intercooler is a cut down version meant for the CBR1100 XX and I formed end caps and mounts for it.  The turbo rides the exhaust manifold and is supported by a single floating mount common to the engine mounting bolts.  

Street legal?  Yes. With the exception that I run non-insulated sparkplug wires that fuzz out the TV's when I really get on it.  He he.  

More Later...

Bling!

[Bling!]

OH yeah,  

I can now send some files in large format.  Please check if you can down load a 10 Mb file.  If you can, I will develop a list and see if I can batch file some information.  

Bling!

PS, I just sold my other bike, a PC800, for an Aprilia Falco.  I think it is the perfect move up for anyone who likes the GS.  Fantastico!

[octane]

PLEASE put me on the list!!

[GRU]

me too, me too

[96gs]

can i b on the list to please. your gs sounds amazingly awsome. now i really want a turbo but knowing myslf i would prob. die in "8" seconds.

[jiggersplat]

pics?  intercooled?  interested in seeing how you routed all the piping.

[Rich500]

Id love to be on the list. This is a project Im really considering!!

[yamahonkawazuki]

Octane wrote:

You're still pissin' on the flag man!

Sorry about that, oversight on my part. didnt mean to offend anyone  

[Lars]

Have you put that bike on a dyno? I'm curious how much power it makes. (maybe you van give an estimate??)

[South East Rocket]

You maybe able to get someone to host that file and just provide the link

[octane]

I can host it if John can't.