My recent results - 1/4 mile and RR. - Corsa Sport - for Vauxhall and Opel Corsa B, Corsa C and Corsa D

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miles

Member

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

27th Oct 03 at 08:17

In the last week I ran the 1/4 mile and put my car on the rollers at a local RR day.

Best quarter time was 14.065 @ 101.92mph

Made 199.4 bhp @ fly, 147.9 @ wheels, with 142 lb ft of torque! I cant believe I lost over 50bhp through the transmittion but thats what I was told!

This is from my 1.6 16v on tb's....

vibrio

Banned

Registered: 28th Feb 01
Location: POAH
User status: Offline

27th Oct 03 at 08:36

if your peak power is high up the rev range then yes you'll lose alot compared to a car that peaks at 5500rpm. you got a graph of your power run?

do you have the same sort of mods as Andy H?

miles

Member

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

27th Oct 03 at 08:40

He has much more aggressive cams and a solid top end, also steel rods and high comp pistons. Which I dont....

I have a 8k rev limit and peak power was made at 7339. Got a pic of the graph at home, its basically a 45 degree line right up to 7339 when it tails off. I wont lose 25% through transmission. I'd say its really about 180 @ fly.

vibrio

Banned

Registered: 28th Feb 01
Location: POAH
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27th Oct 03 at 08:41

you'd be suprised. how much are you losing around 5500rpm. maybe 25hp.

also depends on the rollers as well.

[Edited on 27-10-2003 by vibrio]

miles

Member

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

27th Oct 03 at 08:45

The graph only shows @ fly figures.

vibrio

Banned

Registered: 28th Feb 01
Location: POAH
User status: Offline

27th Oct 03 at 08:47

shame. what happens to power deliver after peak. does it sharply fall or is it a gradual loss

miles

Member

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

27th Oct 03 at 09:00

Its goes down as fast as it came up, then tails off completely when soft cut is hit.

Ditch

Member

Registered: 29th Nov 02
Location: St Albans Drives: JDM Celica GT4 WRC
User status: Offline

27th Oct 03 at 10:50

bet thats fcukin hours of fun in a nova fella!

miles

Member

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

27th Oct 03 at 10:57

Its a laugh yeah, i never seem to think its as quick as it is, but im used to it I guess...

ffls

Member

Registered: 29th May 02
User status: Offline

27th Oct 03 at 11:10

I think you're right Miles. I also loose 35 bhp with transmission losses at 7200rpm. So you should have 175 to 180 bhp, which is an excellent result

miles

Member

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

27th Oct 03 at 11:51

I'm more than happy with 175-180bhp, I'd be more than happy with whatever it put out to be honest, after getting a 14.0 I know it goes well enough

Andy

Member

Registered: 28th Dec 99
Location: Cumbria, UK
User status: Offline

27th Oct 03 at 12:32

Miles - sounds about right - around 180bhp flywheel. I had exactly 180bhp when I had gentler cams in, 8k limit and normal compression ratio (before engine rebuild). Made a peak torque figure of around 135lb/ft. 180bhp in a Nova sounds like lots of fun

Tom

Member

Registered: 3rd Apr 02
Location: Wirral, Merseyside
User status: Offline

27th Oct 03 at 13:27

U got any pics of your nova miles? 14's is

Andy yours feeling quick with the new box mate? U haven't really mentioned it?

vibrio

Banned

Registered: 28th Feb 01
Location: POAH
User status: Offline

27th Oct 03 at 13:28

quote:
Originally posted by ffls
I think you're right Miles. I also loose 35 bhp with transmission losses at 7200rpm. So you should have 175 to 180 bhp, which is an excellent result

on the same rollers?

ffls

Member

Registered: 29th May 02
User status: Offline

27th Oct 03 at 13:31

No my RR is Portugal, whereas Miles is in England

vibrio

Banned

Registered: 28th Feb 01
Location: POAH
User status: Offline

27th Oct 03 at 13:37

then how can you compare

Daimo B

Member

Registered: 20th Mar 00
User status: Offline

27th Oct 03 at 14:00

Good figures, good time, coming on to be a cracking motor

WHats the full engine spec on it now?

PS, rad covers

miles

Member

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

27th Oct 03 at 14:09

Copied from what I put on another forum the other day.

Spec is:
Rebuilt in shed by ChrisB with monkey jobs done by me!
Standard F15 without lsd etc
C16XE
ChrisB ported head
Std pocketed pistons
ChrisB deseemed rods
balanced bottom end
lightened flywheel
standard valves, springs etc
verniers
piper 285 fast road cams
ARP rod bolts
ChrisB matched inlet manifold
Cream injectors
DTA management
Jenvey 40mm parallel tb's
90mm trumpets
motorsport fuel pump
black top fpr
8k rev limit

I've had a cover made, will have pics of it fitted soon.

Daimo B

Member

Registered: 20th Mar 00
User status: Offline

27th Oct 03 at 14:17

U2U me a price also

Andy

Member

Registered: 28th Dec 99
Location: Cumbria, UK
User status: Offline

27th Oct 03 at 14:18