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vixen
Re: reaching 100+ HP in a 1000 coupe?
#11
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Sticks and stones.....MAT.

Posted on: 2005/11/15 3:17
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vixen
Re: reaching 100+ HP in a 1000 coupe?
#12
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Adam.
One should probably not estimate HP when other people are after some serious advise.It only confuses the issue.

Posted on: 2005/11/15 3:25
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L18_B110
Re: reaching 100+ HP in a 1000 coupe?
#13
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this is your idea of serious advice?
Quote:
Depends on what you want to use the car for a 100HP at the wheels is easy to achieve.
Matts 120y runs a 1270cc,32/36 webber and 104HP and 212nm torque at the wheels(still street drivable)The car has more power now but has not been back on the dyno.

over 100bhp per litre with a single downdraught carb on a 2v ohv pushrod engine

Posted on: 2005/11/15 4:21
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Grunterhunter
Re: reaching 100+ HP in a 1000 coupe?
#14
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Pager wrote
Quote:

why do people talk so much about HP an KWs when its torque that accelerates a car????


Granted, a fat torque curve is always going to be better for curcit racing & general driving than a peaky one, but more power will give you better acceleration if you get the gearing right......

It would be interesting to see a simulation of where the crossover is - i.e engine 1 has 130hp @ 7500, & engine 2 has 200hp @ 7500. how much more torque would engine 1 have to have down low in order to be faster from 0-100 or down the quater given optimal gearing? My guess is that you would have to assume some pretty spastic looking torque curves for the 130hp to ever keep pace.

Posted on: 2005/11/15 4:45
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COUP1200
Re: reaching 100+ HP in a 1000 coupe?
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I was talking to boofhead & he is getting 90-100rwhp in his sedan with twin 40s & it was built buy the Feral. I think he put a post up a while ago.
200hp N/A A15 is acheivable but who would want to spend 20K on an a series to get all the nismo gear to make it happen. I would if i won Tats.
In the first post its not stated that he wants 100rwhp

Posted on: 2005/11/15 4:47
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pager
Re: reaching 100+ HP in a 1000 coupe?
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Who said we were talking about N/A??? surely you would be able to get 100hp+ from a turbo a12 cheaply

Posted on: 2005/11/15 5:01
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L18_B110
Re: reaching 100+ HP in a 1000 coupe?
#17
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Quote:

Grunterhunter wrote:
Pager wrote
Quote:

why do people talk so much about HP an KWs when its torque that accelerates a car????


Granted, a fat torque curve is always going to be better for curcit racing & general driving than a peaky one, but more power will give you better acceleration if you get the gearing right......

It would be interesting to see a simulation of where the crossover is - i.e engine 1 has 130hp @ 7500, & engine 2 has 200hp @ 7500. how much more torque would engine 1 have to have down low in order to be faster from 0-100 or down the quater given optimal gearing? My guess is that you would have to assume some pretty spastic looking torque curves for the 130hp to ever keep pace.


People talk about bhp because it describes the amount of work that the engine's torque can do in a given period of time.

a 130bhp engine will never match the accelleration of a 170bhp engine in a similar car. For an engine to have enough torque down low to match the 170bhp @ 7500rpm, it would have to make (at least) 170bhp @"lower"rpm and be geared very very tall to compensate.

Posted on: 2005/11/15 5:04
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L18_B110
Re: reaching 100+ HP in a 1000 coupe?
#18
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Quote:

pager wrote:
Who said we were talking about N/A??? surely you would be able to get 100hp+ from a turbo a12 cheaply


with all the talk of 200bhp going around, we must be talking turbos. Cheaply/Easily? Well, 1200rallycar's twin turbo EFI A15 produces 100bhp at the wheels after a couple of years of tuning and blowing things up.

Posted on: 2005/11/15 5:09
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Grunterhunter
Re: reaching 100+ HP in a 1000 coupe?
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Aye L18_B110, that's what i'm sayin - You might have a chance if your 130hp engine made that from 2500 rpm onwards but it would have a pretty improbable torque curve

Posted on: 2005/11/15 5:13
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R-fastmotorsport
Re: reaching 100+ HP in a 1000 coupe?
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Hey Harry,
I too didn't want to get sucked into the dreamland vortex that this thread has produced BUT ....
100 RW HP from 1200 with single downdraught
Maybe I will throw away the 1400 and twin webbers and try this ..... I can only manage 89 RW HP Converted had 106 with his engine and it was considered quite good. Well, as you said - "When the flag drops ..."
See you at Bathurst.
Cheers

Posted on: 2005/11/15 5:16
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