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Author manifold
pritchard
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Registered: 14th Sep 07
Location: lichfield
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14th Sep 07 at 14:24   View User's Profile U2U Member Reply With Quote
hi all, im new and iv got a question, im getting some 2ltr redtop injectors and fuel rail to go in my 1.4 and was wondering if i will need to change the inlet manifold.

hope you can help

lee
Dean_W
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Registered: 13th Dec 05
Location: Downham Market, Norfolk
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14th Sep 07 at 14:30   View User's Profile U2U Member Reply With Quote
No point in changing the injectors and fuel rail tbh.
pritchard
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Registered: 14th Sep 07
Location: lichfield
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14th Sep 07 at 14:33   View User's Profile U2U Member Reply With Quote
it will make a difference tho
Fro
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Registered: 20th Jun 06
Location: Rainham, Essex Drives: A3 2.0TDi Sport
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14th Sep 07 at 14:35   View User's Profile U2U Member Reply With Quote
Ecu wouldnt be set up to run them though surely?
Superlite Ltd.
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Registered: 9th Jan 07
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14th Sep 07 at 14:36   View User's Profile U2U Member Reply With Quote
Yeh....engine damage

Dont got putting bigger injectors on without serious airflow mods first.
pritchard
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Registered: 14th Sep 07
Location: lichfield
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14th Sep 07 at 14:37   View User's Profile U2U Member Reply With Quote


getting remap after i put em in

[Edited on 14-09-2007 by pritchard]
Superlite Ltd.
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14th Sep 07 at 14:39   View User's Profile U2U Member Reply With Quote
You realise your not going to get any extra bhp....just less mpg
12vMatt
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Registered: 28th Oct 06
Location: Sunderland
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14th Sep 07 at 14:39   View User's Profile U2U Member Reply With Quote
it wont make a difference the engine wont be getting enough air to make it worthwhile and will probably just cause serious overfuelling
pritchard
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Registered: 14th Sep 07
Location: lichfield
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14th Sep 07 at 14:41   View User's Profile U2U Member Reply With Quote
what do you suggest then
Superlite Ltd.
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Registered: 9th Jan 07
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14th Sep 07 at 14:42   View User's Profile U2U Member Reply With Quote
1.4 16v or 8v?

If its a 16v get an aftermarket upper inlet manifold. Could see you 10-15bhp
Then exhaust manifold and system/de-cat
pritchard
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Registered: 14th Sep 07
Location: lichfield
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14th Sep 07 at 14:44   View User's Profile U2U Member Reply With Quote
its the 16v, got an aftermarket induction kit, sportex backbox
Dean_W
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Registered: 13th Dec 05
Location: Downham Market, Norfolk
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14th Sep 07 at 14:45   View User's Profile U2U Member Reply With Quote
Inlet manifold is the way to go. Unless you can afford throttle bodies or carbs.

As superlite says, you'll see a healthy increase for £200-£500.
pritchard
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Registered: 14th Sep 07
Location: lichfield
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14th Sep 07 at 14:46   View User's Profile U2U Member Reply With Quote
yeah but that price i might aswell get the rest of the redtop engine
Dean_W
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Registered: 13th Dec 05
Location: Downham Market, Norfolk
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14th Sep 07 at 14:52   View User's Profile U2U Member Reply With Quote
If you put the injectors in, you'll need to make sure it's fuelling right. In order ot do this you'd need it mapped, which would cost a few hundred to do. Because you'd need a mapable ECU, or replace the chip in your existing ECU.

You don't get ponies for pennys.

[Edited on 14-09-2007 by Dean_W]
pritchard
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Registered: 14th Sep 07
Location: lichfield
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14th Sep 07 at 14:59   View User's Profile U2U Member Reply With Quote
i can get a map done alot cheaper than that
Dean_W
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Registered: 13th Dec 05
Location: Downham Market, Norfolk
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14th Sep 07 at 15:03   View User's Profile U2U Member Reply With Quote
It's a pointless mod. The most restrictive part of the X14XE and X16XE is the inlet manifold. Bin that and you've got a good base for any further modding.

Changing the injectors and mapping is a total waste of time.

But, it's your car and your cash, do what you like
Fro
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Registered: 20th Jun 06
Location: Rainham, Essex Drives: A3 2.0TDi Sport
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14th Sep 07 at 15:04   View User's Profile U2U Member Reply With Quote
Cheapest way to gain decent power on x14 and x16 is to ditch the inlet for an aftermarket one as they are very restrictive.
pritchard
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Registered: 14th Sep 07
Location: lichfield
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14th Sep 07 at 15:09   View User's Profile U2U Member Reply With Quote
where can i get a decent aftermarket inlet n how much
Dean_W
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Registered: 13th Dec 05
Location: Downham Market, Norfolk
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14th Sep 07 at 15:11   View User's Profile U2U Member Reply With Quote
Some on e-bay and you can pick up second hand ones out of the classifieds on here.

Range from £150 for an e-bay jobbie to £300 for a Mantzel second hand.
pritchard
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Registered: 14th Sep 07
Location: lichfield
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14th Sep 07 at 15:12   View User's Profile U2U Member Reply With Quote
how much would the best one cost? would the 2ltr redtop one do?
Dean_W
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Registered: 13th Dec 05
Location: Downham Market, Norfolk
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14th Sep 07 at 15:18   View User's Profile U2U Member Reply With Quote
Sorry mate, i'll explain a bit better :-



The box at the top near the bulkhead which says mantzel on it replaces the standard inlet. Shortens the distance the air has to travel from filter to cylinder and makes it simpler, more power.

The best one is (was) made by lexmaul, these give power all through the revs.

Then theres dbilas/mantzel. Around £500 including all parts needed to fit.

Then you've got the hommade jobbie like what you get from e-bay. These will do the job, but some fall to bits.

A redtop inlet won't fit.
Superlite Ltd.
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Registered: 9th Jan 07
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14th Sep 07 at 15:35   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by pritchard
how much would the best one cost? would the 2ltr redtop one do?




redtop inlet is totally different

Have you even seen a redtop
Dave A
USER UNDER INVESTIGATION - DO NOT TRADE

Registered: 10th Dec 03
Location: County Durham
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14th Sep 07 at 15:36   View User's Profile U2U Member Reply With Quote
im getting Veyron injectors for my 1.6
Will_Sport
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Registered: 28th Jun 04
Location: Notts
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14th Sep 07 at 16:21   View User's Profile U2U Member Reply With Quote
im getting 1.6 injectors for my veyron!
Superlite Ltd.
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Registered: 9th Jan 07
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14th Sep 07 at 16:23   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by Dave A
im getting Veyron injectors for my 1.6


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