[Diy_efi] Intake manifold flow testing

[John Stricker]

Forgot to put a link in to what I had in mind.
http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&item=2402582809&cat
egory=26436 would work well for this particular application.

John Stricker

----- Original Message -----
From: "Dave Dahlgren" <ddahlgren at snet.net>
To: "List for general do-it-yourself EFI talk" <diy_efi at diy-efi.org>
Sent: Tuesday, February 11, 2003 2:14 PM
Subject: Re: [Diy_efi] Intake manifold flow testing


> The sad part about this problem is that it most likely changes with rpm as
well
> that is to say they can move around. a rich one at 4500 might be a lean
one at
> 6000.  You could probably verify they stay the same by using some egt
probes and
> data logging them along with rpm map and tps..Above all i think i would
only
> want to add fuel.. Best idea is get a better intake manifold.
> Dave
>
> "Geddes, Brian J" wrote:
> >
> > All -
> >
> > In the online community for my car (Mitsu 3000GT), there's a sort of
tribal knowledge that says certain cyliners tend to get more air than others
because of the design of the intake manifold, and thus run leaner and
detonate more frequently.  I don't doubt that this is true...but no one's
actually ever done any testing to quantify the problem.  Now that I'm
running a standalone EMS, I can compensate for this airflow difference.
> >
> > All I have to do, is figure out how much more/less than average each of
the runners in the intake manifold tends to get.  Are there companies out
there that would do this kind of a test?  Is this something I could find a
local shop to do, or would I need to send my intake plenum out to someone to
have it tested?  Any suggestions?
> >
> > Thanks,
> > - Brian Geddes
>
>
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