[Diy_efi] RB26 GTR stuff

[Rausch, Bernd]

Hi Matt,

what size of T04S compressor do you use on the GTR=B4s ? 2.09/3.0? And =
what turbine a/r ? .64 ?

Is there a dyno-chart online for such a configuration (or similar)?

regards,
Bernd

-----Urspr=FCngliche Nachricht-----
Von: Matt Porritt [mailto:porrittm at anet.co.nz]
Gesendet: Freitag, 10. Januar 2003 22:02
An: DIY-EFI
Betreff: Re: [Diy_efi] RB26 GTR stuff


The GT2450 on paper looks bad yes.. But they work VERY well.
I run them on GTRs and on 2ls also (1x on 2l ;)
I use the GT25s with the TO4S comp and 0.7 cover.. Very mismatched on =
paper,
but excelent result.
I know of a couple of people who have been disappointed with the 2530s =
and
now which they had gone to 2540 or eqiv.
--=20
Matt Porritt
RC Race Cars and Supplies
ICQ #22776813


On 16/1/03 8:54 AM Hugh Keir wrote

> Matt,
>=20
> The exhaust housing is .64 AR, 53.8mm x 47mm turbine. Compressor =
Housing is
> .6 AR, 51.2 mm x 71.1mm compressor.
>=20
> The 2530 has 47.7mm  x  60.1mm compressor
>=20
> The 2540 has 51.2mm x  71.1mm compressor which is slightly smaller =
than the
> GT-RS spec above. Many people consider the 2540 a badly designed and =
laggy
> turbo, whereas the GT-RS spec is supposed to flow more and have less =
lag,


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