AW: [Diy_efi] RB26 GTR stuff

[Rausch, Bernd]

sdr

-----Urspr=FCngliche Nachricht-----
Von: Hugh Keir [mailto:hugh at sol.co.uk]
Gesendet: Montag, 6. Januar 2003 23:04
An: diy_efi at diy-efi.org
Betreff: Re: [Diy_efi] RB26 GTR stuff


I have fitted a pair of HKS 2530's with modified compressor wheels to =
make
the turbos the same spec as the new HKS GT-RS turbos that are reputed to
flow more than the HKS 2540 but have similar lag to the 2530's.

The HKS GT-RS is not yet available in the two bolt flange needed to fit =
the
GTR, but I wanted to see what they would be like anyway.

I used Garrett compressor wheels, some one told me that HKS have their =
own
castings which are fitted, I would have thought if there was something =
worth
knowing then Garrett would know, any thoughts?

Hugh

----- Original Message -----
From: "Matt Porritt" <porrittm at anet.co.nz>
To: "DIY-EFI" <diy_efi at diy-efi.org>
Sent: Monday, January 06, 2003 9:46 AM
Subject: Re: [Diy_efi] RB26 GTR stuff


What PC software are you using?
All else fails, may have to notch the crank pully and run a sensor from
there ;)
What turbos are you fitting to it?
--
Matt Porritt
RC Race Cars and Supplies
ICQ #22776813



On 6/1/03 11:36 AM Hugh Keir wrote

> HI Matt,
>
> Thanks for all your DIY responses.
>
> I am using PC software to interrogate the Apexi ECU.
>
> I have not investigated the quality of the signal from the trigger =
disc,
> will see how the plug gap changes go.
>
> Am also fitting some bigger spec turbos on Monday, so it's back to =
square
1
> again with the mapping.
>
> I imagine a cap in the right place might help but the trigger discs =
has
> discrete timing marks as well as cylinder marks which complicates =
things.
>
> Anyway thanks for your help and hope 2003 is a good year for you.
>
> Cheers
>
> Hugh
>
> ----- Original Message -----
> From: "Matt Porritt" <porrittm at anet.co.nz>
> To: "DIY-EFI" <diy_efi at diy-efi.org>
> Sent: Friday, January 03, 2003 10:18 PM
> Subject: Re: [Diy_efi] RB26 GTR stuff
>
>
> Power FC?
> Using the lappy software that=B9s been developed in English??
> 1.5mm is HUGE.. The spark ill get blown out quick smart at anything =
over
> about 3000rpm with boost on it.
> What about using a smoothing cap in line or is the signal a waste of =
time
> and not jumpy?
> --
> Matt Porritt
> RC Race Cars and Supplies
> ICQ #22776813
>
>
> On 4/1/03 8:42 AM Hugh Keir wrote
>
>> Matt,
>>
>> I am using an Apexi ECU.
>>
>> I currently have a 1.5mm gap on iridium plugs which I will be =
changing
>> tomorrow, might try .8 and see if that clears the problem.
>>
>> The poor RPM is also playing havoc with my BHP spreadsheet as the BHP =
is
>> calculated from changes in RPM which need to be accurate for fuel and
>> ignition tuning decisions to be made.
>>
>> The engine appears to run fine, it is the logged RPM trace that is of
most
>> concern. The erratic trace is standard with the Apexi ECU.
>
>
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