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Cosworth tumbler (TGV) kit worth the costs?

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Old 05 March 2014, 07:51 PM
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Default Cosworth tumbler (TGV) kit worth the costs?

I am looking to design some billet ones, but are the worth gains for the the costs involved?
Has anyone got any proven results with these-before and after


Cheers chris
Old 05 March 2014, 07:57 PM
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Given that STI TGV delete manifolds can be had for £20-30 I'm not sure whether it'll be worth the effort. I won't have a before and after but I'd expect the difference to be minimal
Old 05 March 2014, 08:20 PM
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Hi Chris

As above most of the people opting rather for STI TGV delete or they port their own(WRX) than going with Cosworth

Most of people who going with Cosworth TGV delete running their Intake manifold,if I would buy one or other,no I would still rather use Spec C manifold or if I would wait then Corsa Velloce Intake manifold

If you want something to manufacture,then Corsa Velloce get my vote,just check Process West Corsa Velloce

Thanks,Jura
Old 05 March 2014, 08:33 PM
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Originally Posted by jura11
Hi Chris

As above most of the people opting rather for STI TGV delete or they port their own(WRX) than going with Cosworth

Most of people who going with Cosworth TGV delete running their Intake manifold,if I would buy one or other,no I would still rather use Spec C manifold or if I would wait then Corsa Velloce Intake manifold

If you want something to manufacture,then Corsa Velloce get my vote,just check Process West Corsa Velloce

Thanks,Jura

Interesting .... Just on their website now
Will have a good read through , thanks
Old 05 March 2014, 09:15 PM
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Originally Posted by JonMc
Given that STI TGV delete manifolds can be had for £20-30 I'm not sure whether it'll be worth the effort. I won't have a before and after but I'd expect the difference to be minimal
where do you get them for 30 quid???
Old 05 March 2014, 09:17 PM
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Originally Posted by joshnosh
where do you get them for 30 quid???
Keep an eye on the classifieds
Old 05 March 2014, 09:19 PM
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Originally Posted by JonMc
Keep an eye on the classifieds
what exactly am i looking for? whole manifolds?
Old 05 March 2014, 09:23 PM
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Originally Posted by joshnosh
what exactly am i looking for? whole manifolds?
Whole manifolds are nearer £80-100, all you need are these bits




After some tweeks...


Old 05 March 2014, 10:27 PM
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Is that yours Jon . Is it for sale
Old 06 March 2014, 12:05 AM
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Make some 8 injector tumble deletes Chris like the old APS ones. Still think you can't get big singles to idle like small twins.
Old 06 March 2014, 08:13 AM
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Originally Posted by CDF Racing
Is that yours Jon . Is it for sale
They are mine Chris but no, they're not for sale - I've just had them cleaned up and a lot of the excess metal taken off prior to painting. They'll be going on my car with my VF34 in the coming months
Old 06 March 2014, 08:15 AM
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Originally Posted by MartynJ
Make some 8 injector tumble deletes Chris like the old APS ones. Still think you can't get big singles to idle like small twins.
And a spare set of WRX blues or STI pinks will be a lot cheaper to offset the cost of the tumbler delete

Anyone got a wiring diagram
Old 06 March 2014, 09:04 AM
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Originally Posted by MartynJ
Make some 8 injector tumble deletes Chris like the old APS ones. Still think you can't get big singles to idle like small twins.
Yes , may look at that , would of thought only a handful of peeps would be after them though
Old 06 March 2014, 09:10 AM
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Originally Posted by CDF Racing
Yes , may look at that , would of thought only a handful of peeps would be after them though
Depends on how many mappers push that as the best way to big power gains
Old 06 March 2014, 09:14 AM
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Originally Posted by JonMc
Depends on how many mappers push that as the best way to big power gains
Old 06 March 2014, 01:23 PM
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I certainly prefer it compared to big *** injectors !
Thankfully the design of injectors has been getting better recently, but you still can't beat more small ones IMHO !
Old 06 March 2014, 06:46 PM
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cant get the petrol to atomize properly with single ingjectors. in the end it sprays about as good as a garden hose with your thumb over the end off it
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