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V8 Dakotas
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FLDak
Dodge Dakota
JOIN HERE
1/21/2005
13:19:14
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 Subject: 4.7L New Dyno #'s
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Message:
Dyno'd my truck yesterday and here are the results:
RWHP=219
RWTQ=284
Previous numbers were:
RWHP=212
RWTQ=286
Here is a description of my truck and mods:
02 Dak 4.7L auto, 360 intakez CAI, Roll-N-Lock, Rhino Liner, Relocated IAT, Remove Clutch Fan, No Cats, True Duals Gibson 766024, Motive 4.10 w/LSD, Fastman 68mm TB, ROE A/F Controller, Robert Shaw 180 Tstat, HO Cams, TMR Mod, Fastman O2 Simms, ASP Underdrive Pulley.
Mods since previous dyno were: underdrive pulley installed, precats removed, true dual exhaust, o2 simms installed.
Looks like I gained about 7 RWHP, but I lost 2 FTLBS of RWTQ. I guess opening up the exhaust caused me to lose the torque but the pulley did raise the hp some. The only other difference I noticed was the HP peaked at 4600rpm with the new mods versus 4400rpm before the mods. The peak torque numbers are still around 3400rpm.
Hope this helps someone out!
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Android287
GenIII
1/21/2005
22:55:00
|  RE: 4.7L New Dyno #'s
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Message:
Wow i was thinking about ditching my pre cats and going true duals on my 03 auto. Maybe i won't. What are the gains like not at peak? How much higher is the HP through out the entire rpm range? Do you have an X pipe? How about headers? I wonder how much the pulley would help out without the exhaust work. Thanks for the info!
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TexasTodd
Dodge Dakota
JOIN HERE
1/22/2005
00:51:39
| RE: 4.7L New Dyno #'s
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Message:
Nice #'s Fl Dak.
Thanks for sharing objective info.
this is an auto tranny, right?
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FLDak
Dodge Dakota
JOIN HERE
1/24/2005
08:52:25
| RE: 4.7L New Dyno #'s
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Message:
Android;
HP gains started at about 3600rpm with a 1HP gain and stops at about 4600 rpm with a 7HP gain over the previous graph.
No I don't have a 'X' pipe or headers, yet.
I had the pulley put on before doing the exhaust work and you can tell a difference with just the pulley.
Even though I might have lost some TQ with the exhaust work , only 2 ftlbs, I really like the way the exhaust sounds now. I figure some headers and maybe some 206 cams will more than make up for it.
Todd;
Thanks for your comments, and sharing results is what it's all about!
Yes, it's an auto tranny.
Later...
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