On3 Mustang GT Cobra 5.0L Foxbody Turbo System
This was the first On 3 brought to market all the way back in 2007. Its been a great performing system and proven itself over the years with numerous On 3 Fox customers dipping into the 8’s in the 1/4 mile. That is more of the radical side of things and they have majority of cars to the other side of the spectrum. Most of the cars they are accommodating to is the stock block 5.0 which is going to handle on average 450-500rwhp max. A well put together car in this power range has the potential of being in the 10’s and a pretty serious street car with good manners. On 3 has said this since day one and have put together what they think is the best horsepower per dollar modification you can do to your car. You can literally bolt this kit on and double the factory horsepower(Close to TRIPLE the torque). Most stock 5.0 motors will put down around 185 +/- rear wheel horsepower. The great thing about going with a turbo on your foxbody, you can dial the boost in according and have serious room to grow. Adjusting boost is as simple as turning the knob on the included boost controller. The On 3 70mm turbo included is a good turbo up to the 500~ rwhp range. Beyond that, they would then recommend either the On 3 76mm journal or ceramic ball bearing option(650-700rwhp max). If you have the supporting mods and plan to be in the 600-800rwhp range, your best option will be the On 3 7875.
YOU NOW CAN RETAIN YOUR AIR CONDITIONING
On 3 has made a few changes as well to their setup and although its tight, you can retain your A/C. It will involve tweaking the lines slightly coming out of the condenser with your hands. Then normally they use a few wire ties to secure the lines all in place so they cannot come in contact with any of the hot parts.
On the streets, the On 3 shop car is an absolute animal with the On 3 70mm kit installed. On 3 is running 275/60/15 M/T drag radials on the car and it will blitz them 1-3 gear on the street with 7psi. As far as street drivability goes, it doesn’t change for the most part till you tip into the throttle. They did run it with just the open downpipe so it was loud, other than that the car ran and drove the same as it did before the install. With the On 3 turbo system installed you will retain the power steering but in order to fit the turbo and downpipe, the kit doesn’t make room for the Smog pump. So this kit is required to be used for off-road applications only.
The On 3 Performance 5.0 turbo system includes all the components to get your turbo kit on your car and ready to get it back up and running. As you will see from the photos, this kit bolts on to your car and was actually designed and tested by On 3 so they know the kit and know it works.
** This system IS NOT designed for HIGH PORT heads **
As you can see from the list of parts included in this kit, it is just about all the hard components that you need to install the single turbo kit on your car. A lot of people email to find out what in addition to the kit they will need to finish off the kit. They offer a calibrated PMAS HPX Slot sensor, CNC machined MAF bracket, pigtail so the MAF is just plug and play, On 3’s new 320lph fuel pump (safe for e-85) with install kit, as well as the oil filter relocation kit. Have them pre-weld your maf flange so its a bolt in when you get it out of the box.
*** BLOW THROUGH CARB GUYS, READ!!! ***
On 3 has a good amount of customers that are running throw through carb applications and making killer power. Some of their fastest fox customers are on carb applications so we can certainly help you. Most guys first off ask for a discount to leave out the items needed for fuel injection applications. There is not any discounts available, none of the efi items needed are included standard. Then the next most asked question is what all is needed? Well its pretty simple, your going to need your carb and then the bonnet to bolt on top that would take it to a 3″ inlet. Most people will mock up the tubing and see how far it needs to go to connect to their specific application and just order a silicone coupler to length. There are a lot of places that offer longer lengths that you can just simply cut to desired measurements and use. There really isn’t too much to the blow through applications.
Each Kit Includes
-Turbo Headers and Crossover Tubing Constructed of Mild Steel and Stain Black Rust Prevention Coating
-Turbocharger – On 3 Performance, .70ar Coldside, .96ar Hotside, and T-4 Flanged Journal Bearing
-3” 304 Stainless Steel Downpipe, V-band Connections, 16 Gauge
-304 Stainless Steel Dump Tube
-3” Intercooler, Inlet and Outlet – Bar and Plate Core
-3” 304 Stainless Steel Intercooler Piping, Turbo to Throttle Body
-All Silicone Couplers (Black) Needed and Stainless Steel T-bolt Clamps
-On 3 Performance 44mm V-banded Wastegate (Black)
-On 3 Performance 50mm Blowoff Valve (Black)
-Blow-off Valve and Wastegate Flanges Installed and Welded
-304 Stainless Steel Power Steering Cooler Line
-On 3 Performance Manual Boost Controller
-Oil Feed Kit With All Fittings – Stainless Braided Feed Line
-Oil Drain Kit With All Fittings
-Alternator Relocation Bracket kit
-Stainless Steel V-band Clamps REVISED 8mm Bolt Now
-Complete Fastener Kit With Gaskets
-Complete Instruction Package with Photo, Amazing We know!
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