turbo sport bike
Just some basic questions about turboing my 99gsxr or 05. What do u guys this will be a reasonable turbo for this bike, and should i run a intercooler or not. The 99 has 14k on it, and of 10 miles. Alot of ppl i have been talking to seem to think it is risky to run 8-10 psi on both bikes due to 12.3:1 compression. Any word on this will be appreciated. i am going to build the manifold myself out of stainless. dont know about intercooler yet, thinking of taking headlight off and using that area for intercooler, good airflow.
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Re: turbo sport bike
8psi at that compression level is pushing it without an intercooler. If you are able to run an intercooler than its highly reccomended. If your not using an intercooler than I'd suggest you start at a really low boost pressure and run a real rich mixture to keep the temps down.
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Re: turbo sport bike
damn dude, be careful. last thing you need is a casket with a turbo
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Re: turbo sport bike
ah crap, I'm spacing out on the kawasaki model but they had a turbocharged bike back in the 80s. It was a very small turbo and I don't think it was intercooled. When I remember I'll post back.
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Re: turbo sport bike
Originally Posted by Whitey
8psi at that compression level is pushing it without an intercooler. If you are able to run an intercooler than its highly reccomended. If your not using an intercooler than I'd suggest you start at a really low boost pressure and run a real rich mixture to keep the temps down.
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Re: turbo sport bike
Originally Posted by random-strike
doesnt running rich OR lean cause exhaust temps to rise?
I'm talking about cumbustion temps. Running lean or retarted timing increases EGT |
Re: turbo sport bike
why does everyone always say o god be careful. i mean i understand this is going to be such a power increase but i have been riding for all my life. Oh and those old kawasakis and hondas were runing like 3-5 psi. i would like to run atleast 8-10. looking for around 210+ RWHP. the turbo kits they have are just too much for me with the 05. they are looking for like 5-6k for a kit w/o intercooler. and sugestions on turbos, size??
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Re: turbo sport bike
The older cx500 and cx600 had a vtwin 2 valve per cylinder dohc motor that was powered an efi system. If i rember right the bikes came stock with the waistgate set at 8 psi. high 12 sec 1/4
The 78 abd 79 kawasaki Z1RTC Turbo was a transverse 4 cylinder turbo 1000cc efi controled turbo powerplant. The biek would pull high 10's in the 1/4. the boost was regulated to 10 psi. even tho it wasnt standard partsy, it was a factory option. The 82-83 yamaha XJ650 Lj/Lk Seca Turbo was capbible of mid 12's with a 650cc turbocharged transverse 4. stock they came with the wastegate set at 7psi, but you could opt for a powerup kit to increase the pressure to 12 psi. the oddball of the bunch, it acme with a blowthrough carb box nonintercooled. 1984-85 Kawasaki ZX750E1/2 Turbos probly came closest to the promise of leiterbike performance in a midweight package. capible of low 11sec 1/4 the dohc 750 turbo Hitachi HT-10B turbocharger positioned close to the headers and utilizing digital fuel injection the GPz Turbo was comparatively (turbo-ly speaking) simple in design. The GPz750 engine on which it was based needed only minor strengthening to handle the Turbo's 95 horses Anyways thats a ltitle info on the older bikes, if i were you id try to find one of those older turbo bikes and rob parts, or buy a kit. Maybe a smaller t25 would do you good, but im not sure and im to lazy to go through all the trouble of doing all the math for compresser trims and such. Sean |
Re: turbo sport bike
ok well i no longer am going to have a 750, i am looking at a new gsxr 1000 K5 so once i put 3k on it, that will be my new turbo project
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Re: turbo sport bike
Most of my friend have turbo GSXR1000's or Turbo Busa's and they are all retarded fast. Way too fast for the street and they are all dropped and stretched.
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Re: turbo sport bike
if you guys want i have a GARRETT T15 for sale ;D
if nobody will buy it i will turbo my frined 50cc scooter :P |
Re: turbo sport bike
Originally Posted by random-strike
doesnt running rich OR lean cause exhaust temps to rise?
a good way to tune a street bike with carbs, get a laser point thermometer.. Point it at the header pipes, 1 at a time.. the one's rrunning hotter are lean, the ones running cooler are rich.. If your carb(s) has a fuel screw, its on the engine side of the carb. Turning the screw in will lean out your mixture. If your carb(s) has a air screw, its on the air box side.. Turning the screw in will richen your mixture. -if anyone cares ^-^ |
Re: turbo sport bike
Originally Posted by 99gsxr750
i would like to run atleast 8-10. looking for around 210+ RWHP.
Gixxers have what,120-130 HP? That is comparable to a decently built 2.0 car. And that pushes a 2000 lb vehicle with no problems. Your Gixxer weighs 370wet. as CS Addict stated: Way too fast for the street and they are all dropped and stretched Is your point to make a dedicated drag bike? Work on your riding skills if you cant keep up with people in the twisties... |
Re: turbo sport bike
^^^^^ i'm with this guy ;)
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Re: turbo sport bike
Once again why do need need a bike to be that fast? Just to be like your friends is a lame ass ------- excuse. Their fast enough stock. You know another name for bike riders? Organ donor ;)
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Re: turbo sport bike
wow been watchin some bikerboyz there. :P itd be fun as hell to have a turbd bike. i would never ride it on the street though. ive got a buddy whos got a gixxer 1000 and he hates it because he says its way too fast for in tow use. i personally would much rather stunt ride or race on a tt track.
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Re: turbo sport bike
if your looking to turbo your bike youll have to change your rear sprocket and front depending on the teeth. Also look into a extended swingarm to avoid the bike from lifting when going into boost to be on the safe side you may want to go on 2wf.com and look for another engine to play around with,suzuki are a lil tricky when it comes to boost ,try a small turbo at first like off a older subaru and run a power comander to map the fuel any other question just hit me a email ill give u some tips
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Re: turbo sport bike
Originally Posted by nitrogen
Originally Posted by random-strike
doesnt running rich OR lean cause exhaust temps to rise?
a good way to tune a street bike with carbs, get a laser point thermometer.. Point it at the header pipes, 1 at a time.. the one's rrunning hotter are lean, the ones running cooler are rich.. If your carb(s) has a fuel screw, its on the engine side of the carb. Turning the screw in will lean out your mixture. If your carb(s) has a air screw, its on the air box side.. Turning the screw in will richen your mixture. -if anyone cares ^-^ The new gsxr are all feul injection. |
Re: turbo sport bike
Originally Posted by irocz
Originally Posted by nitrogen
Originally Posted by random-strike
doesnt running rich OR lean cause exhaust temps to rise?
a good way to tune a street bike with carbs, get a laser point thermometer.. Point it at the header pipes, 1 at a time.. the one's rrunning hotter are lean, the ones running cooler are rich.. If your carb(s) has a fuel screw, its on the engine side of the carb. Turning the screw in will lean out your mixture. If your carb(s) has a air screw, its on the air box side.. Turning the screw in will richen your mixture. -if anyone cares ^-^ |
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