I have both the 4-bbl t-body and MPI intake, I plan to install the soon.
What are you running at the track Bob?
Mark Kuzia
flyboy01@mediaone.net
http://people.mw.mediaone.net/flyboy01/home.html
1995 Dakota 13.79 @ 99.52 mph
360ci, 5-spd, 4.11 LS, Ram-air
----- Original Message -----
From: "Bob Tom" <tigers@bserv.com>
To: <dakota-truck@buffnet.net>
Sent: Wednesday, June 21, 2000 3:12 PM
Subject: Re: DML: MPI Intake Manifold For Magnum Engines
> At 03:47 PM 6/20/00 -0700, you wrote:
> >Has anyone installed the mopar performance single plane intake manifold
> >on their 318? If so would you reccommend it as a cost effective upgrade.
>
> I put the MPI in April (thanks to Jon Steiger's super installation kit and
> instructions).
>
> For track use, it certainly comes alive from 4000 rpms and up. Jon's '96
> got quite an ET improvement (~0.3) with it. Probably, a ram/cold air
system,
> ported tb (725-825 cfm) and freed-up exhaust system (headers, y-pipe,
single
> 3") would be needed to match its flow.
>
> Afterwards, an aftermarket cam and beefed up valvetrain components would
> certainly
> help it reach its potential.
>
> I had about reached the performance limit without the MPI (mild cam/ported
> tb/open
> air/headers/y-pipe/cat-back) and staying emissions legal. The MPI was one
> of those
> necessary next steps to move on although it's doubtful that it is now
> emissions
> legal. I added a ram/cold air unit to get a better match with the
increase
> flow and
> went to 3.92 gears in order to reach the peak hp rpm (now at about 5000
> rpm) at the traps.
>
> Of course, all the above is strictly with normally-aspirated mods in mind.
>
> >Also has anyone used the 4 barrel throttle body with or without that
> manifold?
> >Anyones opinions would be greatly appreciated since I am getting rdy to
> purcahse one
>
> The 4-bbl tb has around 1000 cfm or so flow and may be a bit too much for
> the computer to
> handle when going to sudden WOT. Also, I've read that fabrication will be
> needed
> to hook up to the Magnum OE tb linkages and hookups.
>
> Bob
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