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Underbody braces, turbos and more!

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 Post subject: CARB CONVERSIONS
PostPosted: Thu Feb 15, 2007 5:43 am 
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Joined: Thu Feb 15, 2007 5:20 am
Posts: 7
Location: devon
Just wondering wot exactly is required to do a carb conversion to a 1990 swift gti.

I know i'll need the carbs and i got some 1 to make me a manifold. but wot else?


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 Post subject:
PostPosted: Thu Feb 15, 2007 7:46 am 
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Joined: Fri Aug 04, 2006 4:52 am
Posts: 195
Location: Kent
You would need a low pressure fuel pump, and a mk1 distributor aswell as these were not ecu controlled


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 Post subject:
PostPosted: Thu Feb 15, 2007 11:09 am 
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Joined: Fri Mar 19, 2004 5:00 pm
Posts: 268
Location: a liitle village called Gilberdyke
no need for a mk1 dizzy. mine is running fine with the mk2 dizzy. also just get a low pressure fuel regulator. if your interested i am trying to sell my cbr 1100 carb set up. if ur interested give me a bell

tempo


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 Post subject:
PostPosted: Fri Feb 16, 2007 5:20 am 
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Joined: Sat Oct 22, 2005 3:58 pm
Posts: 3
Location: scotland
What is included in your set up and how much do you want for it.

cheers
chris


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 Post subject:
PostPosted: Fri Feb 16, 2007 8:00 am 
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Joined: Fri Mar 19, 2004 5:00 pm
Posts: 268
Location: a liitle village called Gilberdyke
well i have cbr 1100 quad carbs and the manifold to fit the gti head. id like 150 plus postage. ive already got a buyer for the head and exhaust manifold tho. if your interested do you mind waiting as its all stil fitted on my car and im currently finishing my turbo set up. is that ok??

tempo


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 Post subject: carbs
PostPosted: Fri Feb 16, 2007 8:51 am 
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Joined: Thu Feb 15, 2007 5:20 am
Posts: 7
Location: devon
is the manifold cast or al. wot was the head and ex mani you had?


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 Post subject:
PostPosted: Fri Feb 16, 2007 1:04 pm 
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Joined: Fri Mar 19, 2004 5:00 pm
Posts: 268
Location: a liitle village called Gilberdyke
i stil have it all fitted on my car. the head has a race skim which means a higher compression of 11.1. the exhaust manifold is a janspeed 4-1. the carb manifold is made from aluminium.

tempo


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 Post subject:
PostPosted: Fri Feb 16, 2007 9:43 pm 
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Joined: Thu Aug 23, 2001 5:35 pm
Posts: 870
Location: SINGAPORE
any chance we can see some pics?

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 Post subject:
PostPosted: Sun Feb 18, 2007 11:50 am 
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Joined: Tue Sep 18, 2001 3:46 pm
Posts: 560
Location: Panama
If you want to fast with carbs you will need a good timing computer. With the MK2 or MK3 distributor is not possible. The best will be a Electromotive crank trigger ignition.

For carbs I have a chadil manifold with a pair of weber 45 dcoe carbs.

For fuel the best pump is a carter with no regulator. The reason is the carbs don't like high pressure but the need high volume. With a regulator you will control the pressure but not the volume.

I hope this works,

Bolivar

PS: You can see pics of my engine in http://photos.yahoo.com/bdgracia


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 Post subject:
PostPosted: Sun Feb 18, 2007 3:49 pm 
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Joined: Fri Mar 19, 2004 5:00 pm
Posts: 268
Location: a liitle village called Gilberdyke
so your saying that i could gain more with my carb set up?!!! well its too late now but id liked to have seen what they really performed like. i thort they wor awesome anyway but more would have been great. the standard dizzy seemed to work fine for me tho but i personally think buying an ignition computer for setting the carbs up is a waste as you may aswell go for quad t/b and buy an upgrade ecu. then you can always tune further this way. just my opinion.

tempo


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 Post subject: Re: CARB CONVERSIONS
PostPosted: Tue Jun 10, 2008 8:35 am 
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Joined: Wed Jul 19, 2006 11:43 am
Posts: 227
Location: Kingston
Ok, been reading this thread & couple questions came to mind.

I have a project currently working on, the engine i'm using is the 8 valve G16.

Bike Carbs are my choice, in terms of intake system, but i'm not final on the head i'm using. I have no problem porting the 8vlave head, although needless to say, the GTi's head would've been a better choice.

couple members above posted that using the older MK1 distributor could work, does this mean i can use that dist. & run bike carbs straight on the GTi head without the use of the ECU ?

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 Post subject: Re: CARB CONVERSIONS
PostPosted: Tue Jun 10, 2008 4:20 pm 
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Joined: Fri Nov 28, 2003 4:21 pm
Posts: 592
Location: Durham, UK
Hi,

I'm not sure it will work straight away but it will do the job.
Mk1 has mechanical and vacume advance mechanisms so that you will have correct advance curve for mk1 Gti. For mk1 ECU only controls injection.
For mk2, ECU control injection as well as advance curves. So you might get check light comes on all the time.

I hope you can find one of mk1 Gti dizzy. In UK, they are getting very rare.

Cheers
Atchi


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 Post subject: Re: CARB CONVERSIONS
PostPosted: Tue Feb 17, 2009 11:38 pm 
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Joined: Tue Feb 17, 2009 5:10 pm
Posts: 10
Location: norwood,oh
bump! :)


Last edited by christiancox on Wed Aug 19, 2009 12:48 am, edited 2 times in total.

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 Post subject: Re: CARB CONVERSIONS
PostPosted: Fri Mar 20, 2009 9:29 am 
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Joined: Tue Feb 17, 2009 5:10 pm
Posts: 10
Location: norwood,oh
If anyone wants to know how to wire in the Vacum advance cetrifugal for a 88-91 3_cylinder G-10 engine. I found a website for G-10 conversions in Ultralite (Aircraft) & the owner made it simple. Two wires 1+ & 1- (The POS just needs a power source -I would wire in auxillary) & (NEG- straight to the NEG on the coil ) When the field collapses you get spark and the engine curve is more less running on vacum . Otherwise you can use an Electromotive setup -Buy it for a 6 cylinder and ground off the the second connectors (they run (A-B-C) (A-B-C) (A-B-C) and your timing is 1-3-2 . Its in the manual ! :buzz:


Last edited by christiancox on Wed Aug 19, 2009 12:43 am, edited 1 time in total.

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 Post subject: Re: CARB CONVERSIONS
PostPosted: Mon Mar 23, 2009 10:32 pm 
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Joined: Thu Oct 02, 2008 6:47 pm
Posts: 33
Location: Australia
You don't necessarily need a timing computer if you have your Mk1 dizzy recurved to suit your engine mods.


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