DIY_EFI Digest V5 #813

[Bruce]

I gave up trying to find the pencil types cause they were so hard to find
used, and expensive new.
Standard Auto products has the LS1 for in the low $40s, and hunting can beat
that (1999-2000 MY).  Dunno about the newer ones.
bruce



----- Original Message -----
From: "Howard Chu" <hyc at highlandsun.com>
To: <diy_efi at diy-efi.org>
Sent: Tuesday, October 16, 2001 9:40 PM
Subject: RE: DIY_EFI Digest V5 #813


> Just to tie this all together, I am having an Aerocharger installed on my
> Probe GTS in a couple weeks. (Currently I'm waiting for my Quaife LSD to
> be finished. I must admit, it surprised me to join this list and see so
much
> talk about Aerochargers going on...)
>
> Now that Bruce has reminded me of it, going with the MAP setup makes even
> more sense. I'm going to have to install the MAP sensor anyway because of
> the turbo, and it would be the least restrictive approach. This doesn't
seem
> like a tweak I can easily do outside of the ECU though, unless I use my
own
> microcontroller. For the turbo situation, I think the ECU needs to be
> modified
> anyway because it will ignore airflow readings that are higher than it
> expects.
> (In effect, the ECU already has the engine's VE curve in ROM. Whenever the
> airflow reading exceeds the builtin max, the builtin max is used. Kinda
> makes you wonder why they even bothered with a VAF in the first place.)
>
> And then there's the ignition hack, and I'm still looking for a source of
> pencil ignition coils. The GM LS1 coils are damn expensive from the
dealer,
> and I haven't found anyone else who sells them.
>
>   -- Howard Chu
>   Chief Architect, Symas Corp.       Director, Highland Sun
>   http://www.symas.com               http://highlandsun.com/hyc
>
>
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