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Underbody braces, turbos and more!

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PostPosted: Wed Jul 30, 2008 9:29 am 
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Joined: Sat Jul 19, 2008 5:22 am
Posts: 38
Location: INDIA
i've had plans to turbo my 1.3 8valve sohc carb...
i jus wanted to see how the carb (mikuni) would react with lil boost...
used a blower (blower side of a vaccum cleaner) to blow over the carb...

the carb ended up sprayin petrol all over the place...
the next time i tried it... the engine shut off...

i was thinkin if i could used this carb:

(http://cgi.ebay.co.uk/Renault-5-Turbo-G ... .m14.l1318)
to accept boost from a turbo...
im just lookin to boost my car to maximum 10 psi... and 6 psi for everyday use...

should i buy this carb... or do i hav to modify the existing carb?

help pls...


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PostPosted: Wed Jul 30, 2008 9:34 am 
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Joined: Fri Nov 28, 2003 4:21 pm
Posts: 593
Location: Durham, UK
Hi,

Try this web site for modding your carbs.
http://www.turbo-bike.net/

You will see pressurize carburator.

It might help you.

Cheers
Atchi


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PostPosted: Wed Jul 30, 2008 10:26 am 
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Joined: Sat Jul 19, 2008 5:22 am
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Location: INDIA
i hav actually searched and found this pic...
same engine type... same carb...

i know he pressurised it...

i dont understand the vaccum tubing that he has done...
especially the orange/red tubing work...
where is it connected...?
why?


thanks 4 the help...


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PostPosted: Thu Jul 31, 2008 10:55 am 
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Joined: Tue Jul 20, 2004 7:17 pm
Posts: 3566
Location: Georgetown, Guyana
As you discovered blowing through the carburettor is not as easy as it looks.

The whole principle behind a carburettor depends on the vacuum created by air moving through the venturi to suck fuel from the float bowl at atmospheric pressure, through the jets - so if the air moving through the venturi is at a higher pressure than the fuel in the float bowl, it doesn't work.

The trick is to pressurize the float bowl by the same amount as the boost, so that the pressure drop through the venturi will draw fuel from the float bowl, the fuel pump delivery pressure must also be increased by a comparable amount or it will not deliver fuel.

Those lines most likely connect to the float bowl vents to pressurize the float bowl and to some sort of fuel pressure regulator.

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'93 1.3 Swift GLX
'98 2.0 Grand Vitara


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PostPosted: Thu Jul 31, 2008 6:19 pm 
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Joined: Sat Jul 19, 2008 5:22 am
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Location: INDIA
got ya... so how would u suggest i go about pressurizin the float bowl... should i drill a hole and hose it to the intake...?
and is there a rating of what psi fuel pump i would be needing?


thanks....


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PostPosted: Thu Jul 31, 2008 7:06 pm 
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Location: INDIA
would the renault turbo carb (that i have mentioned in 1st post) and a fuel regulator do the job for a good turbo-able carb system?


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PostPosted: Fri Aug 01, 2008 11:59 am 
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Location: INDIA
this one is a pressurised carb.... looks esy...
but i dono where the tubes from the intake are connected....

any1 here knows?


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PostPosted: Fri Aug 01, 2008 1:02 pm 
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Sad but True...

Joined: Fri Jul 27, 2007 8:20 pm
Posts: 2973
Location: Saskatchewan
im curious why you are so set on using a carb?

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1991 Swift GT Build G10 +25 psi + other goodies
1996 Metro Build QR25de swap, still undecided where to take it
the lolcar family


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PostPosted: Fri Aug 01, 2008 6:44 pm 
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Location: Georgetown, Guyana
Most likely because the car originally shipped with a carb. and a replacement carb is probably easier to source than all the bits & pieces needed to go fuel injected.

Given the fact that he is in India, the probability of him being able to make a quick trip to a junkyard and locating the fi stuff is not very good

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'93 1.3 Swift GLX
'98 2.0 Grand Vitara


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PostPosted: Sat Aug 02, 2008 2:44 pm 
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Joined: Sat Jul 19, 2008 5:22 am
Posts: 38
Location: INDIA
HAHA... exactly...

lol...

my friend will be comin over from UK tho... was gonna get the renalut gt 5 carb...
thought that was a good option...

till i started thinkin abt "suck-thru" system...
i hav sources here in india to myself a turbo or a supercharger... (real cheap, but takes time)
since a carbon sealed turbo would be hard to find...
i was thinking of a supercharger...
so the intake process would be air filter>carb>supercharger>manifold....

this setup does not require any mod to the stock carb...
i may need extra clearance on the hood... a scoop would do...

any advise?


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PostPosted: Sat Aug 02, 2008 2:47 pm 
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Joined: Sat Jul 19, 2008 5:22 am
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Location: INDIA
i like using carbs....
1. its a challenge...
2. its very mechanical... easily tuned without external chips etc...
3. oldskool!!!!


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PostPosted: Sun Aug 03, 2008 7:24 pm 
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Joined: Sat Jul 19, 2008 5:22 am
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Location: INDIA
anyone here knows which psi fuel pump i should be using with a blow-thru setup...?
and some info on the fuel regulator to be used???

thanks


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PostPosted: Mon Aug 04, 2008 4:38 am 
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Joined: Mon Nov 12, 2007 10:29 am
Posts: 13
hey

any reason you would want to swap the carb since i was speaking to mr ron chinoy (the guy who owns the above turbo esteem you posted) on swapping the esteem carb for a weber 32dmtr he suggested to stick to the esteem carb it was better than the my weber.


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PostPosted: Mon Aug 04, 2008 8:22 am 
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Posts: 38
Location: INDIA
thats gud info pawan... thanks man...

I got that pic from a friend of mine... din know whom it came from...
how did mr.Ron's car perform?
how much psi boost did he run...?

is there anyway i can contact Mr. Ron Chinoy directly....?



any info would be awesome..
thanks


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PostPosted: Mon Aug 04, 2008 9:03 am 
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Joined: Tue Jul 20, 2004 7:17 pm
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Location: Georgetown, Guyana
I don't think either of those pictures is an Esteem - the front upper crossmembers are clearly visible in both, as are the grill and headlamp mounts, and I would say those are both Swifts.

If I'm not mistaken, the second picture is a white 5dr GLX that can be found on the WheelsJamaica web site.

For what it's worth - the Esteem (US Market name) Crescent (UK Market) or the Baleno (Caribbean Market) - used the newer 16v SOHC motors, direct fire/distributor-less (coil on plug) ignition and multi-point fuel injection - what is in those pictures is the 8V, SOHC motor with distributor - the white car has the OEM AISIN carburettor used on the Caribbean model Swifts, the black car does not.

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'93 1.3 Swift GLX
'98 2.0 Grand Vitara


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PostPosted: Mon Aug 04, 2008 10:25 am 
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oh my bad the swift sedan was sold here as a esteem and the esteem (us) was sold here as a baleno.


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PostPosted: Tue Aug 05, 2008 11:47 am 
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Location: INDIA
is there anyway i can contact Mr. Ron Chinoy directly....?



any info would be awesome..
thanks


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PostPosted: Tue Aug 05, 2008 4:23 pm 
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Location: Georgetown, Guyana
Maybe you should try searching a little closer to home - seems he's somewhere in Bangalore

http://www.team-bhp.com/forum/modifications-accessories/34581-tuner-directory-edit-look-modify-your-car-section-webpage-well-5.html
http://www.rddreams.com/rddreams/html/

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'93 1.3 Swift GLX
'98 2.0 Grand Vitara


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PostPosted: Sat Aug 09, 2008 10:23 am 
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Location: INDIA
well...
i have contacted Mr.Ron Chinoy...
he was helpful enof to guide me thru what fuel pump i could use for this setup...
- the same fuel pump used in the later MPFI model...

im guessing this along with the fuel regulator should take care of the fueling necessity...

timing retard while at boost could be a problem...
don have a clue how to solve this?!


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PostPosted: Sat Aug 09, 2008 4:52 pm 
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Location: Georgetown, Guyana
That would be ignition timing - so you'll need some sort of digital ignition system where you can set the advance curve based on rpm and manifold absolute pressure.

http://www.msdignition.com/product.aspx?id=5859

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'93 1.3 Swift GLX
'98 2.0 Grand Vitara


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PostPosted: Sun Aug 10, 2008 9:44 am 
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Location: INDIA
that seesm quite expensive....

is there anyway where i could keep the timing at a particular point and expect a desent performance...?


Last edited by momed63 on Tue Feb 03, 2009 4:15 am, edited 1 time in total.

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PostPosted: Wed Oct 29, 2008 1:49 pm 
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Joined: Thu Jun 05, 2008 1:46 pm
Posts: 6
Location: puertorico
sorry on my english i am from puerto rico but iam running on my 1.0cc turbo carb with an original carb over 20 psi
i can help :lol: only you need 1.mallory regulator
2 a hat from a samurai orijinal one
the carb setub that i have small venturi 125 large venturi 180
an adisional fuel selenoid presure swich few other things


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PostPosted: Sat Jan 23, 2010 9:15 am 
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Joined: Sat Jan 23, 2010 8:41 am
Posts: 1
Location: Vancouver
1PSI over boost pressure is a good start for you fuel needs. a high volume pump and a return style rising rate FPRegulator is needed.
if you have a mechanical fuel pump (if its anything like the old VW pumps) you can boost one side of the diaphram to make a rising rate pump out of it also..

if you want cheap turbo timing, you can alway lock your distributor at around 20-22°..not the best method but cheap and works.

im new to suzukis..but not to turbos..so forgive for not knowing all the suzuki motor details..
i just bought a SJ410 and am looking to boost the F10A ,


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