[Diy_efi] DIY_EFI: WI in exhaust manifold pre-turbo

[Hugh Keir]

Ohio,

My egt is about 700° C after the turbo  when cruising at around zero boost
running about 16:1 AFR

Running richer makes it cooler, probably about 650 at 14.7:1, but as the
engine is a heat pump I recon a bit of temperature is a good thing.

I used to find it was quite easy to get temperatures over 900°C when running
about a bar of boost, but again it is very dependant on the AFR I was using.

After fitting Aquamist race water injection running two .7mm jets using
50:50 water methanol I keep temperatures to around 830°C running 1.6 bar
boost.

Engine cc = 3000, twin turbo, intercooled, WI, EGT probe 10" after rear
turbo. Manifolds and downpipes heat wrapped.

Hugh

----- Original Message -----
From: "Ohio Benz" <ohiobenz at yahoo.com>
To: <diy_efi at diy-efi.org>
Sent: Saturday, February 01, 2003 4:03 PM
Subject: [Diy_efi] DIY_EFI: WI in exhaust manifold pre-turbo


> Hello,
>
> Could those of you with turbocharged/supercharged
> engines with or w/o intercoolers in the 1.8-2.3 liter
> displacement range provide me with some EGT data.
>
> The data I am looking for is from the idle rpm till
> about 6psi boost.
>
> engine displacement
> turbo or SC
> Intercooled or not
> WI or not
> location of EGT sensor relative to cylinder head
> EGT at 2000 rpm or less
> EGT at 6-7 psi
>
> Thanks
>
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