Lethal Performance 2010 GT500 with a 4.0L Whipple Supercharger!!

Today was the day all of our hard work finally paid off. Many have been following our build from the beginning. Which started out as a completely stock brand new 2010 GT500 has now turned into a monster. It was the same UPR Mustang Dyno which we were only only a short while ago pumping out 486rwhp with a custom tune and offroad x-pipe. After that we took the plunge and decided to bang out everything all at once. We were especially excited as our 2010 GT500 is the first production GT500 ever to have a 4.0L Whipple on it as well as the first production GT500 to use the same crusher inlet which comes standard on the 2010 Super Cobra Jet.

The results were 779rwhp on a Mustang Dyno. If you're not familiar with a Mustang Dyno they typically read 10-13% lower than a standard dynojet. That's because the Mustang Dyno actually calculates the weight of the car and loads the dyno to simulate real world conditions. We were using C16 fuel and saw a peak boost at 21.5psi. No real cooldowns. The car was using an Innovators West 10% overdrive pulley and a 4.0" upper pulley on the supercharger. That's the largest pulley that Whipple offers meaning we've got a lot more room to go. Wait till we throw on the 3.5" pulley!! For now we're going to tidy up a few things and hopefully make our way to the track next week.


Here's what our build consisted of:
We decided to pull the stock 2010 GT500 motor and replace it with an all aluminum built race motor by Al Papitto. From custom cams and pistons to billet I-beam rods this motor was built to make some serious power. It didn't stop there as there was extensive head work done by Chris @ Champion Racing Heads. We topped the motor off with the massive 4.0L Whipple supercharger with the custom Super Cobra Jet Crusher inlet and Whipple's Monoblade throttle body and CAI with 123mm MAF. 80lb Injectors and a Triple Walbro return style system featuring Fore Precision Works fuel hat, fuel rails , Aermotive Pro-Series regulator and filter supplies all the fuel we need at the moment.

The cooling system consists of the Revan Racing/C&R Dual Pass Heat Exchanger with Dual Puller Fans, Lethal Performance Intercooler Pump Upgrade kit featuring a 55gpm waterpump, Reische Performance 170deg thermostat and a Moroso Intercooler Reservoir.

The drivetrain consists of the stock TR6060 transmission, Mcleod RXT twin disc clutch kit, Mcleod Steel flywheel, Steeda Tri-Ax shifter and a DSS 3.5" aluminum driveshaft.

Our front suspension consists of a BMR Fabrication lowered K-member, BMR adjustable A-Arms, BMR K-member support brace, QA1 Adjustable struts and a QA1 front coil over kit.

Our rear suspension consists of Steeda Upper and Lower control arms with Upper mount and lower relocation brackets, Steeda Panhard Rod and Brace, Steeda Torque box brace, QA1 adjustable shocks and Eibach sportline rear springs.

Dress Up items include Project 321 Engine Bay Cap Set, Project 321 Billet Coil Covers, Moroso Coolant Tanks, Lethal Performance Hydro Carbon radiator shroud, fuse box cover and hood vent.

Wheel and Tire Setups Include:
STREET-True Forged custom 3 piece Chrome Sebrings 20x9" F 20x10.5" R.
STREET- Stock GT500 19" Rims and Tires
RACE- Bogart GT Series 17x5" F 15x10" R with Mickey Thompson 28x15" Slicks and Hoosier front runners

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[svtcobra1992]

please upload that vid of the 3.5 pulley ASAP!! even at 779rwhp on mustang dyno thats around 880-900rwhp on a dynojet!!! with the 3.5 you should easily be around what? like 25psi? and around 1000rwhp dynojet!!!

[Lethalcamp]

Thanks.. We put the 3.5" pulley on but the car broke up right away. We needed a tighter gap as it was simply too much boost for a .028 gap. On the hit at 3500rpms the 3.50" pulley made 28psi. We let out right away though and didn't make a full pull.

[markopericajebedak]

AWESOME SC SOUND! 6/5 stars!!!

[RaNdY04gt]

who needs a zr1 when you have this

[redrosecross]

Someone from SVTPervormance forums put a 4.0L Whipple in there 2003 Cobra.

Its in the Picture Section

[slipknotmetallica7]

are they making a 4.0L whipple that fits the 03-04 Cobras??? anyone know

[1nfsnyc]

I watch this at least once a week and the sound from 0:19 - 0:28 get's me EVERY time. Turn your speakers up and you're in supercharged heaven!

[2010gt1]

holy crap. that is making 900 hp at the crank

[pr5021]

por lo que se ya se ve que el mustang GT500 2010 a mejorado en calidad de potencial :-) porque el Gt500 del 2009 no da tanto la calidad

[100littlecurses]

Shit... that is a ton of power... 5/5

[markopericajebedak]

Maybe next year I'm going to Lethal Performance to upgrade my GT500, so please upload the 3,5 pulley video so I would be able to decide whether to put it in my stang or not (after all those videos seen I've now almost ultimatelly decide to put the 4.0l whipple rather than 3.4l. Thanks LP!

[svtcobra1992]

no thank you man this car is the god of ford fans! i will continue to check this vid every so often to look for a link to a 3.5" pulley full pull. i cant wait keep up the great work at lethal performance!