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islanderpc
Dodge Dakota
JOIN HERE
7/01/2003
00:08:47
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 Subject: RE: Dyno results for 4.7L
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Message:
FLDAK ...
took my R/T to
Professional Engine service Mobile, Alabama where Pete dyno'd it a few months ago.(cooler temps drier air).
00CCRT Black
m1/large turtle
fb 50mm
mopar pcm
kn gen2
mbrp muffler
212hp@3600 smooth transition to
249hp@4700rpm(peak)
317tq@3600rpm(peak)
smooth transition to
270tq@4800
std..at sea level
70 degrees outside air temp @44%rh.
...my exhaust is stock except for mbrp muffler.
I ran 12:1 a/f ratio...too rich.
The peaks are not "spikes" on the curve...ignored those.
was also my first dyno...those old hold down straps had me nervous while up on the rack.
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FLDak
Dodge Dakota
JOIN HERE
7/01/2003
10:27:52
|  RE: Dyno results for 4.7L
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Message:
islanderpc:
Yeah I had Matt and Pete helping me with mine, great guys. Wish I could have gotten mine done when it was cooler also, like I mentioned before it was about 98F and humid when I dyno'd. Looks like you had a good run there and making good power. Was that your average a/f ratio? My a/f was Max 15:1 @ 3400 rpm, Min 12.4:1 @ 4700 rpm, which gave me an average of 13.7:1. Yeah it was my first run and I was nervous the whole time too. Do live in Mobile? I live just north of Pensacola. I've got to get me a chip or flash soon!
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islanderpc
Dodge Dakota
JOIN HERE
7/01/2003
18:54:25
| RE: Dyno results for 4.7L
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Message:
I live here../..where it's been 86 degrees for weeks, oh you meant intake air temp...should i also add 12 degrees?
average a/f from 3600 to 5000 rpm is 12:1.
13:2 and a little more timing might get me 20 hp.
R/T headers should be here next week.
debating spintek duals or 3.5" single exhaust.
powerdyne awaits install....then i'm about done.
For every 11 degrees F you can lower the intake air temperature, your're rewarded with approx. 1% HP increase.
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FLDak
Dodge Dakota
JOIN HERE
7/02/2003
09:43:39
| RE: Dyno results for 4.7L
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Message:
Sounds like you got it going on!
What color is your truck, in case I'm over that way again I might spot you while your out and about?
Later...
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islanderpc
Dodge Dakota
JOIN HERE
7/03/2003
16:39:50
| RE: Dyno results for 4.7L
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Message:
black! best and worst color.
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