boost limiter

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boost limiter

Postby domi » Sat Oct 12, 2013 9:30 am

Hhi I have a something I want to ask. Let say the boost limit map is at. 2650 how many bar of boost is that? The standard boost limite
Of the 130pd is 2650 how much bar is that? And how to you know what the injectors can handle for more fuel?

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Re: boost limiter

Postby lucim12 » Sat Oct 12, 2013 12:03 pm

2650 = 1.65 bar off boost

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Re: boost limiter

Postby JoaoFerro » Tue Nov 05, 2013 3:28 am

lucim12 wrote:2650 = 1.65 bar off boost


Could you post here what you have done to find the result, please? :think: :lol:

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Re: boost limiter

Postby sjonv » Tue Nov 05, 2013 2:41 pm

you have to count the atmospferic pressure in. it is +- 1000mbar depens where you are ..

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Re: boost limiter

Postby JoaoFerro » Tue Nov 05, 2013 6:40 pm

sjonv wrote:you have to count the atmospferic pressure in. it is +- 1000mbar depens where you are ..


That i know, 1bar ~ 1atmosphere

But he said 2650 = 1.65 bar.

so by the "3 simple rule" (like we say in portugal, traduced by letter :lol: )

2650 - 1,65bar
x - 1 bar

x = 2650/ 1,65 = 1606

Is that it? :D

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Re: boost limiter

Postby dean21b » Thu Nov 07, 2013 12:01 pm

Atmospheric pressure is about 1000 mBar =1 bar, sometimes 950, 980, depends where you live, on sea level, mountain etc.
2 bar boost pressure = 1bar atmospheric and 1bar turbine boost pressure ;)

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Re: boost limiter

Postby JoaoFerro » Thu Nov 07, 2013 10:18 pm

dean21b wrote:Atmospheric pressure is about 1000 mBar =1 bar, sometimes 950, 980, depends where you live, on sea level, mountain etc.
2 bar boost pressure = 1bar atmospheric and 1bar turbine boost pressure ;)


Thanks, i think i understand that way :D

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Re: boost limiter

Postby rsibiza » Tue Nov 19, 2013 7:42 pm

in EDC15 EDC16 ecus normally 2650 represents boost in mbar.

And as explained above this sum contains atmospheric pressure too,so just take off 1000 mbar,and you will result in absolute pressure from turbocharger 2650-1000 = 1650mbar equals to 1,65bar ;)

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Re: boost limiter

Postby bawareca » Fri Nov 22, 2013 11:54 pm

It is usually referenced as "absolute pressure".

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Re: boost limiter

Postby JoaoFerro » Sat Nov 23, 2013 1:24 am

So if i have a turbo that hangs 3 bar at the peak point, in the map i should change the value to 4000 at the peak pressure? 3000mb-1000mb from atm pressure?

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