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#37
08-26-2009, 10:05 PM
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There are a lot of variables... Like are these SAE, STD or UNCORRECTED numbers. I've seen a number of posts in the 348hp/349tq range stock.
DiabloSport saw 350.81 rwhp / 344.80 ft/lbs on their stock test. But I've seen posts on this forum from a dynojet SRT8 6 speed.at 376hp / 375tq SAE.. Temperature, humidity, tie-down torque, gas quality, (Knock) etc.. It's real tough to just take a few numbers and call that a fact. Best used as a test bead when making adjustments, and best then if you can leave the car strapped in .. Also IMO the single most important thing to do after slapping on the mods is a quality CRM tune... Otherwise the ECU is just going to work against you... Heck WAY more important than the peak numbers are the bands.... I'll take a wide band of 20 hp or tq gain over a 40 peak number that looses band any day.
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27J CPP / 6 Speed/ Trac Pak / 18" rubber/ War paint delete/ Mods: MOPAR CAI / Corsa Exhaust. /Hood Struts / Scoop mod/ catch can/ Predator tune/Jet 180* T-stat/Hurst Competition Plus w Raked Shifter & custom Cue-ball / DS Predator w custom tunes / SS Hoses & Bling / more 
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#38
03-10-2010, 10:16 AM
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2009 SRT8 Mods
I have a 2009 SRT8 6 speed and I just did the following mods with 2500kms on the car.
Corsa exhaust, AFE cold air intake, Diablo Predator and NKG Iridium plugs (recommended by the tech) Dyno results after 3 pulls were 410 HP and 400 ft lbs of torque at the rear wheels. I will post the dyno sheets shortly I also have a high res video of the the dyno run which is cool until the camers vibrates so bad you can't see whats going on. lol.
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#39
03-10-2010, 04:39 PM
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Thats a huge increase over stock for those basic mods. Is that normal for the SRT-8?
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07 3.5L Charger K&N CAI, Magnaflow Cat back, JBA shorty's, DiabloSport 93 tune sold, 2010 Challenger R/T 5 speed. 180 degree Thermostat with fan settings lowered, CC, ceramic brake pads, slotted rotors, red and black caliper paint, Challenger label for calipers, Corsa Cat back, functional hood ducts, and hood struts, 93 DiabloSport tune, and Mopar drop in filter.
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#40
03-10-2010, 04:54 PM
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Basic Mods
I'm not sure what is normal for these cars but I did luck out with a mad scientist when it comes to the Diablo Predator. I believe stock HP to the wheels on a SRT8 is approx 365HP so 45HP with those mods does not seem unusual or unrealistic as I'm sure all Mustang owners would claim.
The difference is amazing and I chirped the tires shifting from 3rd to 4th at 130kms hr or about 80 mph. Good times.
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