Keep in mind what Steven said about headers. I believe the PCM works the
same way. If you add fuel and advance the timing, all the other mods will
have an exponential effect on performance and vice versa, well, maybe
exponential is the wrong word, but at least a linear effect from an overall
system standpoint rather than one device.
Ron
00 SLT QC 4X2 5.9 46RE 3.92 LSD
For modifications see my DML Profile
-----Original Message-----
From: owner-dakota-truck@buffnet.net
[mailto:owner-dakota-truck@buffnet.net]On Behalf Of WMBARRET@aol.com
Sent: Friday, October 13, 2000 8:25 PM
To: dakota-truck@buffnet.net
Subject: Re: DML: RE: FW: New dyno results, 4.7L Leach custom PCM
Yea Donny, you're right, not much bang for the buck. I was expecting more,
but Mike Leach made no promises, and I knew that going into it. They did
offer me a money back guarantee. I think the 4.7L probably could handle
more
advance, its not as prone to detonation as the 5.2/5.9 is. The TQ curve did
not change much, but it has always been good, a lot better than what Dodge
will admit. The HP curve did change, its now even more broad, and from 3700
rpm to 5200 rpm I'm getting over 200 rwhp ! TQ curve from 2500 rpm to
4500 rpm is more than 250 Ft lbs.
I'll send you (or anyone else) the dyno graph on Monday, I have it at the
office.
The Headers are out already, no upgrades to the Y-pipe yet, but headers,
custom Y-pipe, high flow cats, and a free flow muffler should really help
out
the HP!!
My truck is a 5spd, You might talk to Mike Leach about the TCM, nobody has
done a TCM yet, but if you all keep asking Mike about it he might do it!!
__________________________________
Matt--VA--Y2K-HEMI `00 Sport Plus RC
4.7L 5spd. 9 1/4 3.92 LSD, Homemade air intake,
T-Bars, Spring clamps, Mobil 1,Hoosiers
3" Flowmaster cat-back,Custom PCM
14.48 @ 92.40 MPH
216 RWHP/291.5 RWTQ
ŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻ
In a message dated 10/13/00 11:08:26 PM Eastern Daylight Time,
donny_m_hayes@yahoo.com writes:
<< Subj: DML: RE: FW: New dyno results, 4.7L Leach custom PCM
Date: 10/13/00 11:08:26 PM Eastern Daylight Time
From: donny_m_hayes@yahoo.com (Donny M Hayes)
Sender: owner-dakota-truck@BUFFNET.NET
Reply-to: dakota-truck@buffnet.net
To: dakota-truck@buffnet.net
Just wondering...I remember your original post saying
they were going to add 5 degrees...could it handle
more? I have to admit I was waiting to see your
results before getting my pcm flashed...seems like a
lot of money for not much improvement...my friends 96
Ram REALLY woke up with the Mopar PCM, I'd say at
least 15+HP. What is your thoughts on the PCM as a
whole..driveability? HP and TQ curves? Any changes
to transmission performance? (I know the new autos
have a seperate pcm...but just wondering) Anybody
know if anyone is making better y pipe for the 4.7
yet? decent headers? >>
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