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what carby r these?

 
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TGemi1
tinkerer


Joined: 23 Mar 2003
Posts: 456

PostPosted: Mon Aug 18, 2003 3:17 pm    Post subject: what carby r these? Reply with quote

off the dato 260z they have twin carbs, any1 no any thing bout em?

chris...
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TXcoupe
petrol head


Joined: 05 Oct 2001
Posts: 1675

PostPosted: Mon Aug 18, 2003 7:36 pm    Post subject: Re: what carby r these? Reply with quote

more than likely su's
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SBG81
rice boy


Joined: 05 Jun 2003
Posts: 44

PostPosted: Mon Aug 18, 2003 7:56 pm    Post subject: Re: what carby r these? Reply with quote

Not su's, but hitachi su type! they may look like su's but look closer, i only know this as my mate has a 260z and we got rid of them cause they not worth the bother!!!!
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Highlander
tinkerer


Joined: 17 Aug 2003
Posts: 161

PostPosted: Mon Aug 18, 2003 10:21 pm    Post subject: Re: what carby r these? Reply with quote

while where on the subject im wondering what the best carby setup is for a gemi ive got my niki carb with worked jets cause i was told webbers timing tends to deviate more often looking for a good setup suggestion .... ?

cheers
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Frederick Stienheld
petrol head


Joined: 05 Sep 2002
Posts: 2719

PostPosted: Mon Aug 18, 2003 11:23 pm    Post subject: Re: what carby r these? Reply with quote

Highlander a weber is definatly they way to go. They have more potential for tuning than a nikki and are designed for better performance. Webers aren't related to your engine timing either.
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Highlander
tinkerer


Joined: 17 Aug 2003
Posts: 161

PostPosted: Mon Aug 18, 2003 11:30 pm    Post subject: Re: what carby r these? Reply with quote

thanks fred ! ... what webber setup is gonna produce the most output without rediculously overdoing it ?

i can spraypaint, panelbeat, upholster you name it but im just trying to merge more into the engine scene.
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Frederick Stienheld
petrol head


Joined: 05 Sep 2002
Posts: 2719

PostPosted: Mon Aug 18, 2003 11:39 pm    Post subject: Re: what carby r these? Reply with quote

The 32/36 dgv/dgav is the most popular for gems. Also you could try a 34adm which comes off falcons. Also perhaps a 40/40 dfav. All will perform quite well on a gemi. After that you progress onto a twin weber setup which is quite hard to tune and will require a good cam + headwork to reach its proper potential.
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PROJECT_MADGEM
tinkerer


Joined: 14 Jul 2003
Posts: 69

PostPosted: Tue Aug 19, 2003 2:23 am    Post subject: Re: what carby r these? Reply with quote

The twin carbs on the dattos are 1-3/4" CD Hitachi carbs, They are a Japanese made copycat Skinner Union design but the only major difference is that Hitachis have a power-valve. CD carbs are complete genious and are the cheapest carburettor to use in a performance (or even economy) application on 4 or 6cyl motors. They have a variable venturi that ajusts to the best possible level at certain vacuum levels. They are very easy to tune (even double and triples!)the only problem is that they dont allow complete maximum airflow, but that can be fixed by upping size or a grind ere or there.
VERY, VERY underestimated and underrated!!!
Project:MAD-GEM
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