S467 pressure ratio

A

APWCU

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Mar 11, 2008
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I put a s467 fmw with race cover and. 90 housing on my 96 12v 5 speed and had a question regarding pressure ratios on this turbo.

I am running around 58 psi non-wastegated which shows around a 4.9 PR where I'm located.

Is this turbo going to live at this pr level? It spools pretty good and I like the power but didn't want to add a wastegate if it wasn't necessary. I only have 5x12 ddp injectors at 300 bar, 7mm 70cc delivery valves and 4k gsk and around 19* timing.



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Mine runs about 50-60 depending on tuning. Typical hard run is 55. I haven't had any issues and doesn't have any more play than when it was new. My drive runs about 1:1


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Anybody have any more advice on this?

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Could try looking at the compressor map on that turbocharger...

4.9 isn't on it in case you were wondering.
 
I did look at it, I'm just seeing if there are any real world experiences with running at that PR.

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