BHP and Torque - Corsa Sport - for Vauxhall and Opel Corsa B, Corsa C and Corsa D

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Karen

Member

Registered: 9th Jul 03
Location: Edinburgh
User status: Offline

3rd Dec 05 at 11:39

I know this may seem like a silly question but

Can anybody tell me what torque is?
Looking thru my dyno sheets of the corsa-

BHP-170.03bhp
Torque- 137

A guy on another site his car is 163bhp with 300 torque

Im a bit confused!

Jake

Member

Registered: 24th Jan 05
User status: Offline

3rd Dec 05 at 11:46

its power of the engine transmitted through the wheels - is the best way i can put it

Karen

Member

Registered: 9th Jul 03
Location: Edinburgh
User status: Offline

3rd Dec 05 at 11:53

So it has nothing to do with the bhp?

Nic Barnes

Member

Registered: 5th Apr 04
Location: nowhere near ginger people
User status: Offline

3rd Dec 05 at 11:55

diesels have more tourque than bhp

Karen

Member

Registered: 9th Jul 03
Location: Edinburgh
User status: Offline

3rd Dec 05 at 11:57

Ah ok

I was getting confussed as I always thought it had something to do with the bhp how it was calculated or something lol!

Karen

Member

Registered: 9th Jul 03
Location: Edinburgh
User status: Offline

3rd Dec 05 at 12:03

looking at the sheet again it could be 144torque

http://images14.fotki.com/v244/photos/1/113557/1442206/TorqueSheet-vi.jpg

Jake

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Registered: 24th Jan 05
User status: Offline

3rd Dec 05 at 12:06

its definately over 140 so i dunno where you got 137 from

Jake

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Registered: 24th Jan 05
User status: Offline

3rd Dec 05 at 12:06

oh i see

Adam_B

Member

Registered: 13th Dec 00
Location: Lancashire
User status: Offline

3rd Dec 05 at 12:47

Torque is a measure of the actual twisting force produced by the engine, theres a few different ways its measured, eg pounds feet (lbs ft) or newton metres (NM) etc. You can convert torque into bhp using

(Torque x Engine speed) / 5,252 = Horsepower

Adam_B

Member

Registered: 13th Dec 00
Location: Lancashire
User status: Offline

3rd Dec 05 at 12:52

quote:
Originally posted by foxy lady
looking at the sheet again it could be 144torque

http://images14.fotki.com/v244/photos/1/113557/1442206/TorqueSheet-vi.jpg

your peak torque is 144.5 ft lbs @ 6000rpm

broster

Premium Member

Registered: 6th Dec 02
Location: Drives: E39
User status: Offline

3rd Dec 05 at 13:49

Torque is the turning force, the actual amount of force the engine puts into turning the wheels, the BHP is the rate that the torque is produced. i.e. a car with 100bhp and 100lbft will be slower than a car with 130bhp and 100lbft because the 130bhp car is able to produce the torque at a faster rate........

bubble

Member

Registered: 24th Jan 04
Location: Darwin, NT Australia.
User status: Offline

3rd Dec 05 at 14:59

Also acceleration is TORQUE driven (as opposed to revs)... BHP is maintained maximum power for a high speed cruise

Toby

Premium Member

Registered: 29th Nov 05
User status: Offline

3rd Dec 05 at 19:39

basically torque is ya accleration and BHP is top end!! the more torque the better the pulling power!! The more power the better top end !! But you do need the BHP to get the torque!!

broster

Premium Member

Registered: 6th Dec 02
Location: Drives: E39
User status: Offline

3rd Dec 05 at 22:35

no thats not true, if you have little torque you will have less top end...... in theory you need the torque to get the bhp lol!

miles

Member

Registered: 25th Mar 02
Location: plymouth Drives: Astra Sport
User status: Offline

3rd Dec 05 at 22:51

quote:
Originally posted by foxy lady
A guy on another site his car is 163bhp with 300 torque

What sort of engine is that

Robin

Premium Member

Registered: 7th Jan 04
Location: Northants Drives: Clio 182 Cup
User status: Offline

3rd Dec 05 at 23:09

quote:
Originally posted by Adam_B
Torque is a measure of the actual twisting force produced by the engine, theres a few different ways its measured, eg pounds feet (lbs ft) or newton metres (NM) etc. You can convert torque into bhp using

(Torque x Engine speed) / 5,252 = Horsepower

doesnt work

my peak torque was 123@4533rpm
peak calculated power 130@6733rpm

123(torque)x6733(enginespeed)/5252= 157bhp?!?!

somethin not right there

Karen

Member

Registered: 9th Jul 03
Location: Edinburgh
User status: Offline

3rd Dec 05 at 23:11

quote:
Originally posted by miles

quote:
Originally posted by foxy lady
A guy on another site his car is 163bhp with 300 torque

What sort of engine is that

mercedes benz c220 Evo p 1.8 supercharged

Rhino

Member

Registered: 18th Oct 03
Location: Falkirk
User status: Offline

4th Dec 05 at 00:00

The 300 could be Nm......

So that would make it around 220 lb/ft.

Still a lot of torque compared to BHP.

Adam_B

Member

Registered: 13th Dec 00
Location: Lancashire
User status: Offline

4th Dec 05 at 00:06

sounds right for a diesel

Adam_B

Member

Registered: 13th Dec 00
Location: Lancashire
User status: Offline

4th Dec 05 at 00:09

quote:
Originally posted by robmarriott

quote:
Originally posted by Adam_B
Torque is a measure of the actual twisting force produced by the engine, theres a few different ways its measured, eg pounds feet (lbs ft) or newton metres (NM) etc. You can convert torque into bhp using

(Torque x Engine speed) / 5,252 = Horsepower

doesnt work

my peak torque was 123@4533rpm
peak calculated power 130@6733rpm

123(torque)x6733(enginespeed)/5252= 157bhp?!?!

somethin not right there