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Old 24-11-2007   #31
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Re: GP SPORTING 1.9jtd TUNING

When you put a big bore exhaust on a car, you will most likely see a higher peak power figure, which comes in much later, but the torque will go down. The people usually claim that they have lost power.

BHP = torque x rpm/5252.

This means high torque at low revs mean also high bhp at low revs.

Torque is in simple terms the rotational force that acclerates the car.

In simple terms power is the work done.
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Old 24-11-2007   #32
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Re: GP SPORTING 1.9jtd TUNING

Quote Originally Posted by Oldschool View Post
When you put a big bore exhaust on a car, you will most likely see a higher peak power figure, which comes in much later, but the torque will go down. The people usually claim that they have lost power.

BHP = torque x rpm/5252.

This means high torque at low revs mean also high bhp at low revs.

Torque is in simple terms the rotational force that acclerates the car.

In simple terms power is the work done.
Ok....

So for a performance remap would Sharkriders high torque and modest bhp improvement be faster (acceleration wise) than Puntokiris higher bhp lower torque remap?

Cheers....
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Old 24-11-2007   #33
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Re: GP SPORTING 1.9jtd TUNING

If the cars are equal otherwise then the answer is yes.
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Old 26-11-2007   #34
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Re: GP SPORTING 1.9jtd TUNING

Quote Originally Posted by Shropshire_lad View Post
Ok....

So for a performance remap would Sharkriders high torque and modest bhp improvement be faster (acceleration wise) than Puntokiris higher bhp lower torque remap?

Cheers....
Quote Originally Posted by Oldschool View Post
If the cars are equal otherwise then the answer is yes.
Shropshire_lad: I told you.
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Old 26-11-2007   #35
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Re: GP SPORTING 1.9jtd TUNING

Quote Originally Posted by puntokris View Post
Shropshire_lad: I told you.


Sorry I still don't buy the more torque = faster car, even with the equation...

I compared your car with sharkriders...you have 20 more bhp he has 20lbs feet more torque...My money would still be on your car with the 20 extra bhp in a race...he might have better mpg with the extra torque but he would not be faster imo.

If torque was all that, diesel would destroy petrol everytime...and that just don't happen.
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Old 26-11-2007   #36
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Re: GP SPORTING 1.9jtd TUNING

Quote Originally Posted by Shropshire_lad View Post
Sorry I still don't buy the more torque = faster car, even with the equation...

I compared your car with sharkriders...you have 20 more bhp he has 20lbs feet more torque...My money would still be on your car with the 20 extra bhp in a race...he might have better mpg with the extra torque but he would not be faster imo.

If torque was all that, diesel would destroy petrol everytime...and that just don't happen.
And where are you getting this knowledge from? You are trying to argue simple fact by using your own opinion, find me a source that proves me and oldschool otherwise.

Bear in mind you asked the question in the first place thus showing your little knowledge anyway.

Also bear in mind Peter (oldschool) is probably the most knowledgeable tuning member on this forum, and considering he has his own proven tuning company, I don't think your opinion counts for alot.

Diesels deliver power differently to petrols, we're not lying to you, what would we gain from that?
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Old 26-11-2007   #37
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Re: GP SPORTING 1.9jtd TUNING

Quote Originally Posted by Shropshire_lad View Post
If torque was all that, diesel would destroy petrol everytime...and that just don't happen.
very soon, that is going to be happening.

Oldschool has explained why torque is more important... he knows his stuff and actually does re-maps.

if you get yours remapped to 303lb ft of torque it is going to be an immensely fast car and its going to have more power than a bmw 325d
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Old 26-11-2007   #38
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Re: GP SPORTING 1.9jtd TUNING

Quote Originally Posted by puntokris View Post
And where are you getting this knowledge from? You are trying to argue simple fact by using your own opinion, find me a source that proves me and oldschool otherwise.

Bear in mind you asked the question in the first place thus showing your little knowledge anyway.

Also bear in mind Peter (oldschool) is probably the most knowledgeable tuning member on this forum, and considering he has his own proven tuning company, I don't think your opinion counts for alot.

Diesels deliver power differently to petrols, we're not lying to you, what would we gain from that?


I admit I'm no expert at all...I'm just suprised that a car like sharkriders would beat your's with 20 less bhp even though it has 20lbs feet more torque.

You have also provided me no worthy evidence, so shut up and leave it to people like oldschool to explain. I like to learn, but only off people that have knowledge, not muppet's like you.
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Old 26-11-2007   #39
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Re: GP SPORTING 1.9jtd TUNING

Quote Originally Posted by Shropshire_lad View Post
You have also provided me no worthy evidence, so shut up and leave it to people like oldschool to explain. I like to learn, but only off people that have knowledge, not muppet's like you.
Erm, u mean muppets that were right and are respected members of the forum, who have shown their nouse many-a-time already.

You've shown a typical childish reaction to being proven wrong.

No offence meant

Tom
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Last edited by venomco; 26-11-2007 at 11:20.
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Old 26-11-2007   #40
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Re: GP SPORTING 1.9jtd TUNING

I agree that comment was uncalled for. Puntokris knows his s**t when it comes to this sort of thing and in this case he's right.
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Last edited by ChrisUK; 26-11-2007 at 11:25.
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Old 26-11-2007   #41
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Re: GP SPORTING 1.9jtd TUNING

Whoa now guys.... C'mon... where is all the vitriol gonna getcha?

Listen to those that know. Its all relative anyhow, unless you want to go Santa-Podding around the place.

If you want more get up and go, make your own choice with what you have. Puntkris is happy with his set up, it does what he was told it would.

Oldschool knows what he is on about he makes his living from it.

And its up to us older folks on ere to help the young-guns understand that.
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Last edited by Ffoxy; 26-11-2007 at 11:26.
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Old 26-11-2007   #42
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Re: GP SPORTING 1.9jtd TUNING

Quote Originally Posted by venomco View Post
Erm, u mean muppets that were right and are respected members of the forum, who have shown their nouse many-a-time already.

You've shown a typical childish reaction to being proven wrong.

No offence meant

Tom
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Quote Originally Posted by Shropshire_lad View Post
I admit I'm no expert at all...I'm just suprised that a car like sharkriders would beat your's with 20 less bhp even though it has 20lbs feet more torque.

You have also provided me no worthy evidence, so shut up and leave it to people like oldschool to explain. I like to learn, but only off people that have knowledge, not muppet's like you.
So i'm a muppet, yet I put across the same argument as oldschool. You like to learn yet when you are wrong you lash out and act like a child?

Correct you are no expert, and neither am I, but I know what I know, I don't base my knowledge on 'what doesn't look right' but on actual fact and what I have learned over the years.

By the way if you want evidence, a two second search on google: http://auto.howstuffworks.com/question381.htm

Read the first paragraph, it should be simple enough for you to understand, or maybe your 'opinion' surpasses the knowledge of everybody else?
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Last edited by puntokris; 26-11-2007 at 11:31.
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Old 26-11-2007   #43
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Re: GP SPORTING 1.9jtd TUNING

Cracking Link Kris
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Old 26-11-2007   #44
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Re: GP SPORTING 1.9jtd TUNING

Quote Originally Posted by puntokris View Post
I would be more concerned with torque figures in a common rail diesel than bhp.

I wouldn't trust a quoted figure. Get it RR'd yourself, every engine is different.
Just to "back up" Chris and Oldschool and the numerous others, on a modern diesel, its all about the TORQUE rather than BHP. Dieseld deliver their power in a very different way to a petrol. And i talk from experience of having numerous re-mapped petrol AND deiesel cars.

Cheers,
Alan
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Old 26-11-2007   #45
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Re: GP SPORTING 1.9jtd TUNING

that link is brilliant, taught me some stuff in about 10 seconds
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