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How much boost - TDi

Tech Talk for Rover owners.

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How much boost - TDi

Post by matsmad »

I just installed an aftermarket boost gauge and under load (ie driving) it reads max 17psi. Is this right???
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Post by ISUZUROVER »

yep, I think 16.7 psi is the stock setting.

EDIT - more like 15 - see below.
Last edited by ISUZUROVER on Tue Dec 04, 2007 5:49 pm, edited 1 time in total.
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Post by matsmad »

ISUZUROVER wrote:yep, I think 16.7 psi is the stock setting.
Wow thats a lot (i think). I heard around 12psi. My mate has a Navara and it runs at 12 psi.
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Post by cloughy »

matsmad wrote:
ISUZUROVER wrote:yep, I think 16.7 psi is the stock setting.
Wow thats a lot (i think). I heard around 12psi. My mate has a Navara and it runs at 12 psi.
But your mates Navara isn't intercooled either :D
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Post by matsmad »

cloughy wrote:
matsmad wrote:
ISUZUROVER wrote:yep, I think 16.7 psi is the stock setting.
Wow thats a lot (i think). I heard around 12psi. My mate has a Navara and it runs at 12 psi.
But your mates Navara isn't intercooled either :D
I thought they were. I think its the 3 litre turbo diesel model.
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Post by cloughy »

matsmad wrote:
cloughy wrote:
matsmad wrote:
ISUZUROVER wrote:yep, I think 16.7 psi is the stock setting.
Wow thats a lot (i think). I heard around 12psi. My mate has a Navara and it runs at 12 psi.
But your mates Navara isn't intercooled either :D
I thought they were. I think its the 3 litre turbo diesel model.
Yep ZD30, they weren't last I knew, but that was a few years back
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Post by DK »

Tdi should be around 15psi or 1 bar
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Post by lexi »

How do you think it pumps out 200lb ft and 112 bhp from a little 2.5 four.
It`s also the reason heads/gaskets let go more than occasionaly.

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Post by ISUZUROVER »

matsmad wrote:
ISUZUROVER wrote:yep, I think 16.7 psi is the stock setting.
Wow thats a lot (i think). I heard around 12psi. My mate has a Navara and it runs at 12 psi.
Modern truck engines are 30-45psi!!! :shock:
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Post by Lucus »

The new compound turbo charged C series Cat truck engines run up to 85psi in some applications, the run a water to air cooler followed by a air to air aftercooler. :D
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Post by defmec »

go 16 and give the pump a bit of a turn u know u want too . stock there only 9 psi .Ive had my 200 running like a v8 for about a year and its on 300.000 ks the only thing i found is u have too check the valve clearance now and then :lol: :lol:
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Post by ISUZUROVER »

defmec wrote: stock there only 9 psi .
Not quite. Factory spec for 200TDi 0.82 Bar (12psi) measured at wastegate. 300 Tdi is 1.05 Bar (15psi) - so slightly less than I said above.

http://www.landrover.ee/est/files/manua ... lement.pdf
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Post by Sammyboy »

my intercooled TD 4D56 in my Pajero runs at 14psi (recently upgraded from 8psi)
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