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Old 3rd January 2011, 11:56   #121
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Default Re: Re-Mapped Optra Magnum TCDI. EDIT:Dyno Graph on Pg 4

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Originally Posted by brraj View Post
I am still not able to believe this because the power that comes out at 2 and 3rd gear will blow you out and with just 130 bhp is that possible?
I think its 320 + Nm of torque at the wheels which is blowing you away.
320 Nm is massive torque to move a 1.2 tonner.

Anyways, i'm not sure and don't wanna conclude anything unless i see the dyno graph of a stock Magnum.

Its your car, you like the way it moves thats what matters most rather than some nos. and graph.

Cheers

Last edited by kpzen : 3rd January 2011 at 11:58.
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Old 3rd January 2011, 12:20   #122
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Default Re: Re-Mapped Optra Magnum TCDI. EDIT:Dyno Graph on Pg 4

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Originally Posted by kpzen View Post
I think its 320 + Nm of torque at the wheels which is blowing you away.
320 Nm is massive torque to move a 1.2 tonner.

Anyways, i'm not sure and don't wanna conclude anything unless i see the dyno graph of a stock Magnum.

Its your car, you like the way it moves thats what matters most rather than some nos. and graph.

Cheers
I agree more to do with the torque than the bhp. I just saw my Altis' dyno sheet from RRP and it has TCF as 1.00 and 96bhp.

So the 130bhp after 26% correction makes sense now.
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Old 3rd January 2011, 13:25   #123
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Default Re: Re-Mapped Optra Magnum TCDI. EDIT:Dyno Graph on Pg 4

Viddy

Have you seen the dyno graph of any Turbocharged cars other than Magnum / Cruze posted here ?
If yes, pls share it here.
I think all graphs posted are of non turbo cars.
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Old 3rd January 2011, 13:25   #124
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Default Re: Re-Mapped Optra Magnum TCDI. EDIT:Dyno Graph on Pg 4

Just stumbled on to this thread.
Great going with the Magnum, brraj.

BTW, any idea on what EGT's (pre turbo) are you running on your engine?
If you have recorded EGT's pre/post remap, was there any significant increase in the EGT's?

Cheers

Last edited by gotzuk : 3rd January 2011 at 13:31. Reason: General Incompetence
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Old 4th January 2011, 11:59   #125
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Default Re: Re-Mapped Optra Magnum TCDI. EDIT:Dyno Graph on Pg 4

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Originally Posted by gotzuk View Post
BTW, any idea on what EGT's (pre turbo) are you running on your engine?
If you have recorded EGT's pre/post remap, was there any significant increase in the EGT's?
Cheers
Not recorded, As the tuner knows what he is doing i have left it to him.

Changed engine oil to Castrol EDGE which is better than Shell synthetic oil.

Last edited by brraj : 4th January 2011 at 12:16.
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Old 4th January 2011, 12:31   #126
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Default Re: Re-Mapped Optra Magnum TCDI. EDIT:Dyno Graph on Pg 4

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Not recorded, As the tuner knows what he is doing i have left it to him.
I would suggest getting a good quality pyrometer installed. Exhaust Gas Temperature (EGT) is a very good barometer for a boosted/remapped turbo diesel. Helps in knowing when you are about to fry the turbo

Cheers
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Old 4th January 2011, 12:40   #127
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Default Re: Re-Mapped Optra Magnum TCDI. EDIT:Dyno Graph on Pg 4

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Originally Posted by gotzuk View Post
I would suggest getting a good quality pyrometer installed. Exhaust Gas Temperature (EGT) is a very good barometer for a boosted/remapped turbo diesel. Helps in knowing when you are about to fry the turbo

Cheers
According to you what should be the reading of pyrometer to know that i am in safe line?
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Old 4th January 2011, 13:42   #128
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Default Re: Re-Mapped Optra Magnum TCDI. EDIT:Dyno Graph on Pg 4

I dont see why he needs a pyrometer.

Unless there is something that is going to prevent enough oxyen from getting in, nothing would happen to the engine.

Pyrometer or in more simple terms and thermometer for exhaust gas, indicates trouble if there is more fuel than oxyen in the combustion chamber. This primarily arises if there is a clog or lack of sufficient air going in, whch i doubt will be the case for a decently new car.

It also comes to the point at where you install the thermocouple. Wrongly installed in the inapt place can give temps that are inaccurate. It is very simple to install and can be done at the exhaust manifold. But many people instal it in various areas of the exhaust chain.

But i dont think it is required here
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Old 4th January 2011, 14:52   #129
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Default Re: Re-Mapped Optra Magnum TCDI. EDIT:Dyno Graph on Pg 4

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Originally Posted by brraj View Post
According to you what should be the reading of pyrometer to know that i am in safe line?
A pre turbo inlet temperature (measure as close to the inlet on the hot side) upto the region of 725 C is generally acknowledged to be safe. Of course, it varies from one engine family to other, there is no exact universal safe limit.
It is therefore, a good practice to measure the EGT's before remapping/boosting/etc., to know what range of temperature the stock engine runs at normally.



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Originally Posted by thedreamcatcher View Post
I dont see why he needs a pyrometer.

Unless there is something that is going to prevent enough oxyen from getting in, nothing would happen to the engine.
High EGT's are not not just a by product of a clogged air filter; advanced injection timing, over fueling and a high load/low gear will also cause the same.

Of course the new age common rail injection diesels with their plethora of sensors and ECM controlled fuel/injection pump and nozzles have built in safeguards in the software. But that is true on the standard OEM setup.
Where is the assurance that the remap works under those parameters?

But were my car to get a remap, I would invest in this gauge just to be on the safe side. And I would suggest to same to every enthusiast planning to remap their turbo diesel.

I am not saying that brraj's engine will burn out if he doesn't have a pyro installed.
Just that the little gauge will give a lot of insight on what's happening inside the engine.

There is loads of info on the web on this subject
Some excerpts:

Exhaust Gas Temperature Basics - Diesel Power Magazine

Banks Power | Why EGT is Important

http://www.thermoguard.com.au/FAQ.pdf


Cheers
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Old 6th January 2011, 01:37   #130
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Default Re: Re-Mapped Optra Magnum TCDI. EDIT:Dyno Graph on Pg 4

I would tend to agree with you points stated above, but would say that more than a must have, it is a good to have.

Any number of factors can result in improper fuel air mix. But, very crucial to install the thermocouple at the right place, cause at times, if installed wronlgy, it can give a reading error of even upto 100-200 F
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Old 17th January 2011, 18:26   #131
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Default Re: Re-Mapped Optra Magnum TCDI. EDIT:Dyno Graph on Pg 4

I think its time to install an IceBox intake on this car considering the numbers being generated. Should add a little more oomph as well .
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Old 1st February 2011, 16:31   #132
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Default Re: Re-Mapped Optra Magnum TCDI. EDIT:Dyno Graph on Pg 4

Instead of installing Icebox intake deleted EGR as to only send cold air to engine, lol.
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Old 1st February 2011, 16:46   #133
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Default Re: Re-Mapped Optra Magnum TCDI. EDIT:Dyno Graph on Pg 4

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Instead of installing Icebox intake deleted EGR as to only send cold air to engine, lol.
On the quicker/easier side, Cleaning the EGR Valves and Cooler unit should also bring in noticeable amount of smoothness to the ride.

BTW Nice numbers churned out here from your Magnum!

Iam gonna take ALOT of ideas for my new i20 CRDi from this thread, Waiting to finish 20K Kms
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Old 2nd February 2011, 10:11   #134
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Default Re: Re-Mapped Optra Magnum TCDI. EDIT:Dyno Graph on Pg 4

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Originally Posted by aa_asif View Post
On the quicker/easier side, Cleaning the EGR Valves and Cooler unit should also bring in noticeable amount of smoothness to the ride.
They are planning to modify the existing big intercooler to make the exhaust gases more cooler. More on that later when done.

Quote:
Originally Posted by aa_asif View Post
Iam gonna take ALOT of ideas for my new i20 CRDi from this thread, Waiting to finish 20K Kms
A week back a friend of mine remapped his i20 crdi which is churning out 128bhp.
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Old 5th February 2011, 09:31   #135
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Default Re: Re-Mapped Optra Magnum TCDI. EDIT:Dyno Graph on Pg 4

The i20 has just a remap? Man I am getting a feeling I will move to diesels for my next car project.

What all mods is the Cruze running, any idea whats the approx cost? Any handling upgrades on the i20?
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