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  #1  
Old 03-09-2013, 04:47 PM
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Dyno numbers

I was wondering how many people have dynoed there 5.7 wk stock and what there numbers were. I had my mine dynoed it put down 211 rwhp and 270 ft of torque. What to see if this similar to what others have gotten.
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Old 03-10-2013, 09:54 PM
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Re: Dyno numbers

Is your's 4WD? That sounds pretty low. Stock 5.7 LX's (same engine with a slightly better exhaust and different transmission) usually put out ~275-295 rwhp. Most are in the area of 275-280 though.
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Old 03-10-2013, 10:26 PM
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Re: Dyno numbers

It seemed a little low to me, it is awd. I am going to be redyno here soon and try pulling in a different gear did it in 3rd with tow haul on so going to try a 4th gear and see what i get, i do have a cai, 20% under drive pulley on it now and just got in my Diablo Trinity so going to before and after tune
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Old 03-11-2013, 06:24 PM
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Re: Dyno numbers

IIRC you should dyno in a direct gear 1:1 4th is OD

Just noticed ,your're in CO.... the altitude is probably whats killing it
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Old 03-11-2013, 08:26 PM
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Re: Dyno numbers

Altitude definitely doesn't help my situation, should be back on the dyno in the next week hopefully
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Old 03-12-2013, 01:37 PM
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Re: Dyno numbers

4th is direct with that transmission. If you did a 3rd gear pull, that would explain why the numbers are a bit low.
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Old 03-13-2013, 03:13 PM
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Re: Dyno numbers

^ you sure about that?
Got this from here: Jeep Grand Cherokee WK - Transmissions5RFE transmission features

(Standard on Limited and Overland, N/A on Laredo or SRT8)
The 545RFE five-speed transmission has been refined to offer smoother operation and better economy while improving the performance and towing capability of the vehicle. To accomplish all this, several features were added, including a redesigned solenoid to provide quieter operation when shifting from "park" into "drive." A turbine damper also improves NVH, related to torque converter application.
The 545RFE continues to offer dual second-gear ratios to provide a balance of performance and fuel economy. Depending on driving conditions, the transmission will select the more appropriate second gear. A secondary overdrive ratio increases highway fuel economy and reduces engine noise at high speeds.
Transmission ratios:
Gear.... W5A580.... 545RFE
1st .......3.59 .........3.00
2nd...... 2.19 .........1.67 upshift / 1.50kickdown
3rd....... 1.41 .........1.0
4th....... 1.00......... 0.75
5th .......0.83 .........0.67
Reverse.3.16......... 3.0
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Old 03-27-2013, 01:26 PM
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Re: Dyno numbers

New dyno numbers after cai under drive pulley and 91 tune 265rwhp and a little over 320 ftlb of torque
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Old 03-27-2013, 02:28 PM
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Talking Re: Dyno numbers

Wow with the cold air intake, DP 91 tune and pulley your pushing almost what my jeep pulled a month ago mine was 291hp and 322tq... Question is yours a AWD 4x4? If so what wheels and tires are you running and if you have any 0 to 60 times, 1/4 mile or 1/8 mile times??? thanks for any response.
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Old 03-27-2013, 02:34 PM
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Re: Dyno numbers

I am awd, running stock wheels and 245,70,17's, stock ran 17 flat track opens up in a couple weeks so found out my new 1/4 mile time and ill try and my 0 to 60 time this weekend
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Old 03-27-2013, 02:59 PM
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Re: Dyno numbers

Awesome! Yea this weekend i am moving into my new home... But the following weekend i am also going to the track here in NC its only a 1/8 mile track but i am sure is going to be rush racing my brothers Ford F-350 7.3L Diesel and my buddies 4.7 Ram QC. I will take videos of the runs that night. Please keep us updated on your runs.
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