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IowaTCoupe 02-26-2008 01:32 AM

Turbo Suzuki Bike project CARBURATOR questions
 
My bike was originally a 2004 suzuki Bandit 1200x (gsf1200)
I went street fighter, and now all i need is a turbo!!!!

So i was thinking about a drawthrough setup, but there's too many bugs with that, and i want to take on the harder task of converting my carbs to a blow through setup.

I plan on using the header i have on it now to cut up and make my manifold. I wanna use just a small stock dsm turbo. I've also researched that all i need are a some stiffer springs for the clutch pack to handle 220hp. 10psi should get me to 200 Goal i have, and ive researched that the block can handle that just fine, stock.

Now, i'm not familiar with a blow through setup, or the conversion process~ So i'm not entirely sure how it works... I know i'd have to pressurize the tank, but wouldn't it be pressurized anyway because of the return liine? As well as the tops of the carbs, the slide springs, etc? Also, i know i'll be needing a Jet kit, that i can handle.
I can handle EFI just fine on a honda, but this is the new job!
One more question i have, is how do you think i should tackle the issue of the float bowls collapsing under pressure?

Here's my bike that it'll be going on:
WALK AROUND:http://youtube.com/watch?v=ooXU_ZPy-jc&feature=related
REV:http://youtube.com/watch?v=rQg7i8kODDg&feature=related


RotaryGeek 02-26-2008 02:26 PM

Re: Turbo Suzuki Bike project CARBURATOR questions
 
i don't like the straight handle bars, but other than that, its sexy...

the 13th round 02-26-2008 03:04 PM

Re: Turbo Suzuki Bike project CARBURATOR questions
 
http://www.hangar18fabrication.com/blowthru.html


havent read it all, just found that on google.

IowaTCoupe 02-26-2008 05:04 PM

Re: Turbo Suzuki Bike project CARBURATOR questions
 
That really doesn't pertain to a motorcycle carb at all, nor does it help me really. I saw that when i searched google too, but thats an entirely different type of carb, a Double pump carb to be exact, top mount for an old v8.

But thanks for the link / help.

JoshMO 02-27-2008 11:59 AM

Re: Turbo Suzuki Bike project CARBURATOR questions
 
Off topic I know but just wanted to say thats a nice looking bike. Real mean looking. I've never liked bikes without fairing, but this one is nice. Good luck with the build

IowaTCoupe 02-27-2008 04:01 PM

Re: Turbo Suzuki Bike project CARBURATOR questions
 
JoshMO- Thanks ;D

So, i've done more research, what i've learned:

I need to put a nipple on the top of each float bowl, and source a vaccum line to each from the charge pipe. A pitot tube style inlet on the charge pipe works best. Also need to lower the floats 2mm's each.

Also have to get a new petcock, and inline fuel pump and regulator, and return line to the tank.

I'll have to resize the main jet, but not by too much. Also, with a 16g turbo, i'll need 13-14psi to get 200hp.


That's the extent of my research so far... can't wait to start this project.

Still more to learn, and any more advice / help from y'all would be appreciated :y

IowaTCoupe 02-29-2008 09:05 PM

Re: Turbo Suzuki Bike project CARBURATOR questions
 
1 Attachment(s)
Attachment 19678


So that's the plan. I don't think i'm going to run an intercooler, just because of space, and i like the naked look of the bike.

I need to weld up a manifold... I know i can get a turbo flange on egay, but where can i pickup some bends to make the manifold out of? I'd like stainless steel, but i can do with regular steel or iron~
I saw someone on here buy some bends to make a manifold, anyone know where they got it?

Time to shop for:
Inline fuel pump (outboard boat 12v fuel pump) $15
1:1 pressure regulator $89 (egay)
weldable bends to make the manifold ???????
SSQV bov $50 (egay)
130 to 140 main jets, see which run best $20
boost guage $20
16g, or t25 turbo, or smaller $100 used
misc. oil lines... $50

Prices are wishful... If i can do this whole ordeal for less than 300$ i'll be souped. Turbo bike for >300$ !!!!!!!!!
HMT ftw

stillnoturbo 02-29-2008 10:08 PM

Re: Turbo Suzuki Bike project CARBURATOR questions
 
16G's bring a pretty good penny. I'd say just get a T25 or a 14B. Cool setup though. Post some pics of the build once you get started. Oh sexy bike too. I love naked bikes.

rprznt 02-29-2008 11:21 PM

Re: Turbo Suzuki Bike project CARBURATOR questions
 
hi there linky for a nog
http://www.theturboforums.com/smf/in...&topic=92441.0

Ludique 03-01-2008 12:50 PM

Re: Turbo Suzuki Bike project CARBURATOR questions
 
Some info, maybe you already know these links... Anyways,

http://turbo-bike.com/ Some info on blowthrough in there, especially in the R1 thread, many examples of many bikes

HMT's tough-guy could help you also (Zx6R turbo thread on this current site somewhere)

http://zrxoa.org/forums/forumdisplay.php?s=&forumid=148 Many ZRX owners are installing a turbo setups, mainly blowthroughs

Good luck, dont forget your get prepaid funeral arrangements ;)


IowaTCoupe 03-05-2008 01:07 AM

Re: Turbo Suzuki Bike project CARBURATOR questions
 

Originally Posted by rprznt

This guy is hiding something... he cant just pressurize the float boals with a boost source... it would push all the fuel out of the bowls.... he must have a fuel pump setup somewhere that he didnt talk about. :y

ALSO... MY NEW CRAZY IDEA...
I know Copper Isn't the strongest metal, But i want my charge piping and Intake manifold to be made out of Copper.
I wanna braze it all together. They do it for hot water piping in houses... The charge pipes can't get that hot~
PS- my handlebars are 7/8" copper pipe sleeved with 3/4" steel pipe. CLEARCOATED so as to not oxidize.

I like the copper charge pipes and Intake manifold idea, but would the copper and brazing for welding handle boost? (12psi MAX)

HomeMadeTurboz 03-05-2008 01:57 AM

Re: Turbo Suzuki Bike project CARBURATOR questions
 
You can Tig weld copper. The problem with brazing isn't the heat or the pressure it is the vibration, it will literally shake those pipes apart. :X

86 fiero 03-05-2008 02:00 AM

Re: Turbo Suzuki Bike project CARBURATOR questions
 
1 Attachment(s)
Just my experience from building a blow thru setup.

As long as the carb's are sealed and you use a boost source to keep the fuel pressure ahead of the boost , you won't have any issues...

track down the regulator from a maserati BI turbo (they still make them for about $50) they had box'd carbs and used a boost source from he factory to keep the pressure ahead of the game.

My carb'd blow through corvair
Attachment 19589


good thread..My next project after the GRM civic is putting a bike motor into a 56 Isetta I have.. looks like I will turbo it now!


IowaTCoupe 03-05-2008 01:45 PM

Re: Turbo Suzuki Bike project CARBURATOR questions
 
Nice corvair and vanity plate 8)

and you guys sure you can weld copper???

HomeMadeTurboz 03-05-2008 01:49 PM

Re: Turbo Suzuki Bike project CARBURATOR questions
 
I am 100% sure that you can TIG weld copper, I have done it several times. Not all alloys are weldable but most are.

IowaTCoupe 03-06-2008 12:27 AM

Re: Turbo Suzuki Bike project CARBURATOR questions
 
I'm a Migger. (no one ghost edit that!)
Not a very good tigger am i.

I think i'll just braze it. Read up alot on it online, and it's pretty damn strong brazing copper to copper butt weld style. An intake manifold isn't very difficult.

HomeMadeTurboz 03-06-2008 02:39 AM

Re: Turbo Suzuki Bike project CARBURATOR questions
 
Brazing is plenty strong, just doesn't like high heat or vibration.

xl cubert lx 03-13-2008 12:15 PM

Re: Turbo Suzuki Bike project CARBURATOR questions
 
have you been to http://oldskoolsuzuki.info/ at all? Lots of info over there.

IowaTCoupe 03-19-2008 09:16 PM

Re: Turbo Suzuki Bike project CARBURATOR questions
 

Originally Posted by xl cubert lx
have you been to http://oldskoolsuzuki.info/ at all? Lots of info over there.

if only it were in english~ :(

Parts are starting to get ordered... project should be under way in a week or so

Blackhatch2004 03-19-2008 11:26 PM

Re: Turbo Suzuki Bike project CARBURATOR questions
 
I am in the same boat as you. I want to turbo a old school Honda SOHC CB750 and will have carberation questions as well.

What is the stock compression on that Bandit?

Blackhatch2004 03-21-2008 11:55 PM

Re: Turbo Suzuki Bike project CARBURATOR questions
 
bump...anybody got any other info on this?


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