[urq] EFI + MAC-14 maxing ataround 5k RPM

[Kurt Deschler]

Ben,
I am curious what you see with a timing light with regard to advance and 
spark consistency when you blip the throttle. Might want to try the light 
on different wires also.

 	-Kurt


> Message: 3
> Date: Wed, 24 Oct 2007 22:31:58 -0400
> From: "Ben Swann" <benswann at verizon.net>
> Subject: RE: [urq] EFI + MAC-14 maxing ataround 5k RPM
> To: <QSHIPQ at aol.com>,	<cody at 5000tq.com>,	<quattro at audifans.com>
> Cc: urq at audifans.com
> Message-ID: <02f201c816af$380293c0$0501a8c0 at swansong>
> Content-Type: text/plain;	charset="us-ascii"
>
> So we think it might be ignition after all.  I guess I'm not seeing where the ignition
> signal drops out.  I do see the pulse width spike when the RPM drops.  Are you looking
> at the log from today?
>
>
>
> Cody, is there someway to turn on the ignition pulse graph line in the logfile?
>
>
>
> I remain sceptical at this point about the ignition part, even though it was my original
> speculation.  The more I have looked at the ignition the more it looks correct and even
> an improvement over stock.  Unless I'm getting some parasitic draw on coil primary or
> losing current to coil output, but I don't see that.  I do have the coil driving the
> tachometer - would that be more of an effect on the MAC-14 than it was on the MAC-02?
>
>
>
> How can we see what is happening to the coil primary?  How can you see if spark is dying
> at high RPMs?  Anything else to look at?
>
>
>
> Also, remember - although the log shows ignition (timing advance, etc.) it is not being
> used.  I have been contemplating installing 5 window hall and using MS for ignition as
> well.  I just figured AUDI probably does this a little better.
>
>
>
> Ben