[Diy_efi] sequential injection timing

[huw scourfield]

Bit pointless quoting F1 power levels IMHO, unless using equivalent rpm.
     Huw
----- Original Message -----
From: "William Shurvinton" <shurvinton at orange.net>
To: <diy_efi at diy-efi.org>
Sent: Tuesday, July 30, 2002 11:13 PM
Subject: Re: [Diy_efi] sequential injection timing


> Does a 1.8l NA engine producing 230+BHP at 9000 RPM count? These are used
> (road and track) by owners of little roller skates like mine. The
preferred
> ECU is the Emerald M3DK which uses basic 2 bank batch firing, caring not a
> jot about EOI  timing. Can't say more as emerald have already taken me off
> their Xmas card list over some comments I made a few months back :-)
>
> Now this, at about 2.2HP/CI is pretty good. Way off F1 levels of over
> 4.6HP/CI. Uses a single injector per cylinder on a weber style TB or a
> roller barrel. looks good sounds good and goes like stink.
>
> Mind you one of the chapman/costin/duckworth legacies is we go for this
sort
> of setup (small, light and loads of revs). It also tends to breed a slight
> degree of luddism
>
> Bill
> ----- Original Message -----
> From: Mark Claywell <clay0052 at umn.edu>
> >
> > Talk to someone who is running a racing engine and not a street engine.
> > Guaranteed the are running on a partial or all open valve. Especially an
> > engine  that is geared more towards racing. Almost all japanese 4 banger
> > engines will benefit from open valve injection timing. Once again, not
> > saying all engines will benefit, as it is often quite engine and setup
> > specific.
> >
>
>
>
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