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BarnshaW

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Registered: 25th Oct 06
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13th Sep 09 at 12:10

out of interest, how do they obtain so much power out a small capacity engine?

sand-eel

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Registered: 15th Mar 07
Location: carluke/braidwood--IRNBRULAND
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13th Sep 09 at 12:12

high revs, well designed airbox, head, no cams (less friction) valves are pneumatic I think.

sand-eel

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Registered: 15th Mar 07
Location: carluke/braidwood--IRNBRULAND
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13th Sep 09 at 12:14

very very fine tolerances, when the engine is cold it is literally seazed.

willay

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Organiser: South East, National Events
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Registered: 10th Nov 02
Location: Roydon, Essex
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13th Sep 09 at 12:17

mapped by dave a, run on optimax unleaded, drilled airbox.

sand-eel

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Registered: 15th Mar 07
Location: carluke/braidwood--IRNBRULAND
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13th Sep 09 at 12:21

k+n panel filter as well iirc.

BarnshaW

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Registered: 25th Oct 06
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13th Sep 09 at 12:23

not a genuine BMC CDA?

Nath

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Registered: 3rd Apr 02
Location: MK
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13th Sep 09 at 12:24

Resistor chip

Jake

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Registered: 24th Jan 05
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13th Sep 09 at 12:25

ecu cooling fan

Bonney

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Registered: 14th Nov 04
Location: St Helens
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13th Sep 09 at 12:26

Smoothed airbox, with a hint of vtec

alan-g-w

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Registered: 9th Nov 07
Location: Glasgow
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13th Sep 09 at 12:29

Lol, I was actually looking forward to this turning into a good thread. What capacity are the engines?

BarnshaW

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Registered: 25th Oct 06
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13th Sep 09 at 12:40

alan i was looking for a real answer, stupid me really lol

danbear

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Registered: 10th Jul 09
Location: Hertfordshire
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13th Sep 09 at 12:49

quote:
Originally posted by alan-g-w
Lol, I was actually looking forward to this turning into a good thread. What capacity are the engines?

1.0 12v

na i think they're 3.5 v8's but not 100%

patmore

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Registered: 23rd Feb 09
Location: Witham, Essex
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13th Sep 09 at 12:56

i thought they were a v10 n/a

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Registered: 10th Sep 03
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13th Sep 09 at 12:58

2.4l V8. There are other specs for the bore size and stroke length.

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Registered: 5th Jul 00
Location: Aberdeen City
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13th Sep 09 at 12:58

revs.....

Nath

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Registered: 3rd Apr 02
Location: MK
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13th Sep 09 at 12:59

I think they are all V8's now.

Mertin

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Registered: 12th Oct 05
Location: Scotland
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13th Sep 09 at 13:00

As ed said, 2400cc V8 na

Taken from

http://www.f1technical.net/articles/4

patmore

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Registered: 23rd Feb 09
Location: Witham, Essex
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13th Sep 09 at 13:05

dont they rev to 24000 or somthing stupid like that ??

patmore

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Registered: 23rd Feb 09
Location: Witham, Essex
User status: Offline

13th Sep 09 at 13:06

quote:
Originally posted by Mertin
As ed said, 2400cc V8 na

Taken from

http://www.f1technical.net/articles/4

I LOVE DRY SUMPS MMMMMMMMMMMM

Nath

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Registered: 3rd Apr 02
Location: MK
User status: Offline

13th Sep 09 at 13:16

quote:
Originally posted by patmore
dont they rev to 24000 or somthing stupid like that ??

18k limited

DizzyRebel

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Registered: 2nd Jan 09
Location: Lincoln
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13th Sep 09 at 15:14

the old turbo bmw engines were about 1200bhp iirc

tom130691

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Registered: 13th Sep 08
Location: Daventry
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13th Sep 09 at 15:46

there conrods a tiny so it revs more

Mattb

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Registered: 2nd Feb 03
Location: Under your sisters bed
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13th Sep 09 at 15:46

quote:
Originally posted by DizzyRebel
the old turbo bmw engines were about 1200bhp iirc

and 1.5 litres!! lolololol.

Ben G

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Registered: 12th Jan 07
Location: Essex
User status: Offline

13th Sep 09 at 15:53

what would win in the twistes between a civic type r always in v-tec, 106 gti and a 2009 f1 car?

the amount of power they achieve out of a relatively small capacity engine is unbelieveable, although they only last a few races before being sacked off for a new one.

Paul_J

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Registered: 6th Jun 02
Location: London
User status: Offline

13th Sep 09 at 16:05

Thing is... believe it or not a F1 car only has 203 lb ft of torque

but that torque is carried all the way up to 18,000 rpm - which gives such a high bhp figure. Remember (torque * revs) / 5252 = bhp figure.

So (203 * 18000) / 5252 = 700 ish bhp.

So why is it so quick with such low torque I hear you cry?

Obv the car is light, but by having a engine that revs to 18000 - you can run really short gear ratios (which require less torque force to rotate and thus accelerate quicker).

for example, if you imagine a F1 car in 1st gear does say 50 mph (no idea what they do in 1st to be honest)

Then 50 mph @ 18000 in 1st means 2.7 mph per 1000 rpm. Imagine this on a normal car, at 5,000 rpm you'd only be doing about 12 mph in 1st gear.

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