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Location:
Carlingford, Sydney
Registered:
May 2002
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2TG Custom Intake Manifold
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Tue, 08 October 2002 06:46
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Im thinking about making a custom intake manifold for my 2tg when i convert it to efi
i was wondering if i should start from scratch or if i should use a normal 2tg efi manifold and modify it
(greater air volume, ported runner and large t/b)
starting with the standard manifold would be a heap easier
im just not sure that going with a total custom job would be worth it
any idea's ppl
and rod if you have any info you would share about yours it would be great
thanks 
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Location:
Adelaide
Registered:
May 2002
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Re: 2TG Custom Intake Manifold
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Tue, 08 October 2002 10:55
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I'd suggest using the actual manifold of the 2tg efi unit, and then get a custom plenum made up with a front to suit whatever TB you decide to use, bigger would be better for the TB.....wish I had have done this to my efi set-up now I think about it....
Brendon
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Location:
Carlingford, Sydney
Registered:
May 2002
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Re: 2TG Custom Intake Manifold
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Tue, 08 October 2002 11:36
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yeah thats what i was planning on doing so far i think
has any1 got any pics of somthing like this?
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Location:
Seattle area, USA
Registered:
June 2002
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Re: 2TG Custom Intake Manifold
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Tue, 08 October 2002 11:47
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get an 2TGEU intake cut off the front TB flange flat as possible.
weld on a piece of Alum flat stock 1-1.25cm thick
then get an 18RGEU TB(60mm btw) center punch and drill/tap the
holes and port to match the TB opening into the plenum.
Shouldn't cost more then few hundred, less if you know friends
with air tools and TIG welder. 
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Location:
Carlingford, Sydney
Registered:
May 2002
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Re: 2TG Custom Intake Manifold
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Tue, 08 October 2002 11:56
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Im thinking about more extreme than that
like hacking the whole top off above the runners and making a larger (3.2L) plenum to go onto it with a XF T/B (75mm)
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Location:
Seattle area, USA
Registered:
June 2002
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Re: 2TG Custom Intake Manifold
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Tue, 08 October 2002 12:37
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why stop there? i saw a 100mm TB on ebay a few weeks back. ;-P
Is this for an N/A motor or boosted?
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Location:
Carlingford, Sydney
Registered:
May 2002
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Re: 2TG Custom Intake Manifold
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Tue, 08 October 2002 12:57
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It will be N/A for awhile
but only a month or 2 and then hopfully it will be turbo
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Location:
Montrose, VIC
Registered:
May 2002
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Re: 2TG Custom Intake Manifold
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Tue, 08 October 2002 13:09
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I'll letcha know how well mine works in the next few days...
Hey, why not stick some multi throttles on there while you're at it?
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I supported Toymods
Location:
melbourne.victoria.austra...
Registered:
June 2002
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Re: 2TG Custom Intake Manifold
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Tue, 08 October 2002 20:27
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bah. use the existing 2TG runners that bolts to the side of the head - unbolt the inlet plenum chamber and throw that then make something up that will bolt to the existing runners.
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Location:
Carlingford, Sydney
Registered:
May 2002
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Re: 2TG Custom Intake Manifold
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Tue, 08 October 2002 21:54
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Does the plenum just unbolt?
wow that just got easyer didnt it
my mission is to now look for a 2TG inlet manifold
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Location:
Seattle area, USA
Registered:
June 2002
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Re: 2TG Custom Intake Manifold
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Tue, 08 October 2002 22:00
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the RG TB would be fine unless this is an all out drag/race motor. It flows 550-600cfm i've been told. Thats not even forced inducted...
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Location:
Seattle area, USA
Registered:
June 2002
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Re: 2TG Custom Intake Manifold
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Tue, 08 October 2002 22:04
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yes it unbolts right in the middle. If it didnt you'd have one hell'va time getting to the injectors/fuel rail. My 18RGEU manifold is the same way.
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Location:
Carlingford, Sydney
Registered:
May 2002
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Re: 2TG Custom Intake Manifold
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Tue, 08 October 2002 22:10
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WEll an XF T/B is cheap so it does bother me is would pobably be easyer to get ahold of id say
but we shall see
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