So, i was thinking the Stock S4 GXL weighs something around 2625lbs, which is pretty darn light compared to the S5s. But, going Turbo is going to add a little bit of weight, so I wanted to make up for that, by removing what I can.
Things that will affect the weight:
Adding a Turbo= +22lbs (this is the S4 variant, the S5 which I'll be using seems a bit lighter and smaller)
Changing from a NA trans to a T2 trans = +19lbs
Changing from 15 inch GXL wheels to 16 inch GTUs rims= +4lbs
Total= +25lbs
------
I'm assuming the Turbo II intake weights the same, if not less than the NA set up. Since the NA has, lower intake, upper intake, and plenum+TB+more of that plastic snorkel tubing.
Going from a 27.8lb T2 Flywheel to a 10lb flywheel w/ 4lb counter weight = -13lbs
A/C Delete = -15lbs, (not sure if this accounts for the cooler and tubes)
P/S Delete = -20lbs (The mounting bracket as well as all P/S associated things)
Airpump Delete= -9lbs
Emissions, ACV, emissions rack, air silencer etc= -15lbs?
Steel hood to T2 Alum hood= -20lbs
Spare tire delete = -28lbs
Jack and winch delete= -2lbs
Total = 122lbs
Which equates to about 2547Lbs
-----------
Now, I want to keep it as daily-driveable as possible, so the sound deadening won't be removed, I like having a passenger seat, etc. I want to pretty much maximize the car's horsepower when it's all set and done. I want her to look like a stock Turbo II as much as I can as well. But I'd like to maximize my power to weight without drilling holes in the car and removing body panels.
There's a few things I didn't take into account, such as the Racing beat/Borla exhaust mix I have going on, as well as the turbo II spoiler, Turbo II axles, and a few other minor things that I have not weighed yet. I'll eventually weigh all the intake stuff as well.
I think 2547lbs is pretty light either way for a car that will have 250bhp (hopefully) initially, and then 300+ down the road.
Anything I'm missing, or suggestions?
