TeamSwift

Home of the Suzuki mini-compacts ! Your Home for all things Suzuki Swift, Geo Metro, Holden Barina, Chevy Sprint, Pontiac Firefly, and Suzuki Cultus. TeamSwift is a technical performance oriented community!
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Underbody braces, turbos and more!

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PostPosted: Wed Jun 29, 2005 6:24 pm 
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Joined: Wed Jun 29, 2005 3:11 pm
Posts: 2
Location: Coventry
Hi everyone!
Absolutely fascinated by your site, and wondering if you fellas could help.
Okay, i dont have a Swift :oops:....Boo Hiss etc!!! although my friend has a mk4 :D
Please bare with me as i can explain myself.
Am just a petrol head like you lot!

I have a retro 1977 Vw Polo hatchback, which is quite a small car about the same size as a Vw Rabbit/Golf, and probably the same weight as a swift (like a paper bag!), I'm modifying it with a later 1.3 SOHC engine from a 1990 car.
Pic of car:-
Image
The 1.3 gt engine i'm fitting is a 1272cc unit with 75bhp at the fly wheel and a top speed of 107 mph and a 0-60 of about 11.1 sec.
It's the same layout as a swift engine, ie mounted transversely, and has the main air intake at the back, and exhaust at the front like the swift's.
Pic of similar engine:-
Image
By checking your carb forum postings, i have gained a lot of information about the bike carb conversions you have done, and think that this would be the best way forward instead of using the stock injection setup.
You see i didnt get any of the injection ancillaries with the engine when i bought it, so am starting from scratch.

I have already skimmed the head, replaced some of the valves and re-ground the seats and bedded the valves in, and mildly ported the exhaust & inlet ports, while i had the head off to replace the main head gasket.
Pic of engine minus gbox:-
Image
I have also bought GSXR750 40mm mikuni carbs off ebay ready to go on.
These have T670 stamped near the jack for the sensor.
Image

Just wondered if you guys knew where to start with the jet sizing for these, i understand that i really need to get it on a rolling road, but just as a rough idea to get me started.
Would a dynojet kit be of any use?
And also, where on earth do you get the fuel hose linking the carbs to manifold?, cant seem to find any over here in blighty!!!
Will appreciate any info and feedback given!
Thanks
John


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PostPosted: Thu Jun 30, 2005 2:43 am 
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Joined: Fri Nov 28, 2003 4:21 pm
Posts: 593
Location: Durham, UK
Hi John,

For tubing, do you mean connection pipe?
As in, between manifold and carbs?

If so, try bike breakers.
You can buy them for £10 a set and they will be petrol proof, too.

Jet size, not sure you can try and get in touch with Boggs brothers in York.

If you need Tel No., go to UKSwift web site and look at performance bit.
You will see all the contact detail there.
They will mod your car too for £640 drive in drive out.
SwiftGsi did that with his Gti, using R1 carbs.

Good luck
Atchi


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PostPosted: Thu Jun 30, 2005 6:20 pm 
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Joined: Sun Jun 23, 2002 5:10 pm
Posts: 1644
Location: Brisbane
Didn't GSi's engine crap itself, due to being tuned poorly in too lean a state? My 30%'ish extra hp car used R1's with drilled to 155 size mains...but you can buy stock ones ranging from 125 to 145 from a Yamaha bike shop. AFR under load was 12.8:1. Cruise was 14.7:1. Doubt that helps much, though.

_________________
Don't ask me, I don't know anything. And just because I'm a senior member, it does not mean I have as many wrinkles as ellpee. 1500+ posts and still I haven't got a clue.


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PostPosted: Fri Jul 01, 2005 6:20 am 
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Joined: Wed Jun 29, 2005 3:11 pm
Posts: 2
Location: Coventry
Cheers for info, yeh knew about Boggs brothers...havent got the cash for that though :oops:
Thats why im trying on a budget!
cheers for the pipe tips, will have to find a breakers in coventry! 8)

So, anyone know of the rough jet sizes for the gsxr carbs?
info much appreciated!
John


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PostPosted: Sat Jul 09, 2005 4:07 am 
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Joined: Fri Mar 19, 2004 5:00 pm
Posts: 268
Location: a liitle village called Gilberdyke
the guy whos doin mine tunes superbikes so he nos wot hes doin. im located near hull so if u wont his number giv me a tx on 07949998111 and il send u it,

dug


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