Billet Roller Barrel Zetec Throttle Bodies
07-08-2008, 09:43 PM
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Billet Roller Barrel Zetec Throttle Bodies
07-08-2008, 09:47 PM
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More importantly what's it like down the hole part throttle and full throttle?
07-08-2008, 09:48 PM
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Look good, Never seen or heard nothing though.
07-08-2008, 09:51 PM
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I suspect the quality is first class, these have been used in holland for a few years by some championship winning rallycross cars.
07-08-2008, 09:52 PM
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They look quite long, are they?
Last edited by Charlie Chalk; 07-08-2008 at 09:53 PM .
07-08-2008, 09:55 PM
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Quote:
Originally Posted by
Charlie Chalk
They look quite long, are they?
The further away the better from the valve for high rpm to let he fuel mix better with the air
07-08-2008, 09:55 PM
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Oh ok
07-08-2008, 10:57 PM
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What's the price tag on them?
07-08-2008, 11:00 PM
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Over £1k
08-08-2008, 01:08 AM
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The Titan Motorsport ones are nicer than those and cheaper, they look a bit 'Blunk'... the annodising makes them look a bit 'cheap' really.
08-08-2008, 07:53 AM
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Could have them anodised any colour I supose including natural silver
08-08-2008, 11:08 AM
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Quote:
Originally Posted by
AustenW
The further away the better from the valve for high rpm to let he fuel mix better with the air
but on a closed throttle, wouldnt that rather fuck things up a bit for idle?
08-08-2008, 11:12 AM
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I didn't design or make them but the fact there being used on championship winning cars in Europe for several years now speaks volumes to me
08-08-2008, 11:15 AM
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Im guessing idle and very light throttle isnt an issue for the rallycross cars, and with the right setting they idle a bit and move if they have to at light throttle, so that will do.
08-08-2008, 11:25 AM
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I guess they'll idle fairly high!
08-08-2008, 11:26 AM
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Unless they run another 4 injectors in the head?
08-08-2008, 11:46 AM
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I have a set of zetec titan roller barrels for sale if anyones interested?
08-08-2008, 01:29 PM
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The injector is not that far away from the head some race cars have them alot further.
08-08-2008, 01:53 PM
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race being the operative word i suspect!
08-08-2008, 02:06 PM
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It's actually not always a case of "more rpm = further distance away" for the injector..
13-08-2008, 06:00 PM
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Quote:
Originally Posted by
pa_sjo
It's actually not always a case of "more rpm = further distance away" for the injector..
Explain please
13-08-2008, 08:02 PM
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Quote:
Originally Posted by
AustenW
Explain please
Dyno testing has proven that on some engines you get higher MBT above a certain rpm by moving the injector back towards the valve. I've only seen this happen on motorbike engines though, so not sure if you'd ever get to that level on a typical car engine.
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Billet Roller Barrel Zetec Throttle Bodies
07-08-2008, 09:51 PM
