greensteeda
Retired Speed Racer Mod. Suck It!
As most of you know, I have been building a road race car to compete in the NASA American Iron series. This class is for any American 2 door coupe that came with 4 seats. The class is dominated by Mustangs with several Camaros and Challengers thrown in the mix. All of the cars running now are hopped up V8s making between 400-450hp. The class also dictates that you can only have 8.5 pounds per HP. This means that you can get away with much less power if you keep the weight down. For this, I have decided to keep the V6 platform and find some other way to make the power.
The options are:
1) Build an all out NA motor that spins to super high RPM - super expensive with high maintenance costs and peaky power
2) Add a supercharger - Eats belts for breakfast, lunch, and dinner on a road course
3) Add a turbocharger - Heat
So, the solution is simple (ish). Build a turbo kit that is sized and tuned for road racing. The goal is to run no more than 10-12 psi and make around 350hp/375tq.
Here is the list of things on the way or here alread:
Precision 3431E with a .61 ar
Precision 44mm wastegate
Precision flanges (up pipe, downpipe, oil)
39lb injectors
oil cooler
headers and crossover piping
exhaust and muffler
Live wire tuner
spec stage 3 clutch and aluminum flywhee (already installed)
Things left to buy:
Fuel pump
intercooler and piping
blow off valve
MAF
gauges
braided steel oil lines and fittings
tune
The plan is to have all of this done by March for the first event at Road Atlanta. Hopefully I can get the tune done in February and do some auto-x events to work some of the bugs out.
So...on to the build:
To-Do list:
Built a better rig for the welder:
Had a friend donate a bench grinder with belt and disk sander:
Oil Cooler
Goodbye old headers:
Hello custom (reversed factory) headers:
Drivers side crossover:
Passenger side header attempt #1:
It didn't work...
The correct orientation and now it works:
Thats all for now...will update thought the winter break
The options are:
1) Build an all out NA motor that spins to super high RPM - super expensive with high maintenance costs and peaky power
2) Add a supercharger - Eats belts for breakfast, lunch, and dinner on a road course
3) Add a turbocharger - Heat
So, the solution is simple (ish). Build a turbo kit that is sized and tuned for road racing. The goal is to run no more than 10-12 psi and make around 350hp/375tq.
Here is the list of things on the way or here alread:
Precision 3431E with a .61 ar
Precision 44mm wastegate
Precision flanges (up pipe, downpipe, oil)
39lb injectors
oil cooler
headers and crossover piping
exhaust and muffler
Live wire tuner
spec stage 3 clutch and aluminum flywhee (already installed)
Things left to buy:
Fuel pump
intercooler and piping
blow off valve
MAF
gauges
braided steel oil lines and fittings
tune
The plan is to have all of this done by March for the first event at Road Atlanta. Hopefully I can get the tune done in February and do some auto-x events to work some of the bugs out.
So...on to the build:
To-Do list:

Built a better rig for the welder:

Had a friend donate a bench grinder with belt and disk sander:

Oil Cooler

Goodbye old headers:

Hello custom (reversed factory) headers:

Drivers side crossover:



Passenger side header attempt #1:

It didn't work...

The correct orientation and now it works:

Thats all for now...will update thought the winter break