03 vert performance question
Thread Starter
Racer
Joined: Aug 2005
Posts: 414
Likes: 0
From: NJ
03 vert performance question
at 350 hp what mod would you do first to increase hp? I am looking at 03 and 05 only for the 400 hp so if I get the 03 what mod should I do first?
Thanks guy you all have been a big help in my pick of vette's
Thanks guy you all have been a big help in my pick of vette's
Melting Slicks
Joined: Jun 2002
Posts: 3,070
Likes: 5
From: Charleston South Carolina
It depends what you want it for and how much you want to spend.
1) Nitrous kit. Good for occasional blasts. Engine wear an issue.
2) Head and Cam package, but you should upgrade your drivetrain and brakes too, to handle the new load.
3) Intake/outake upgrades and a performance chip. Not as much HP increase but relatively inexpensive and safer on the drivetrain.
3) Upgrade to the MN12 tranny and/or 3.90 or 4.10 rear. Doesn't change the HP but feels like it!!
My preference would be to do the intake/outake mods (Blackwing and performance exhaust), upgrade the chip, and put a 3.90 in the rear. Also upgrade your suspension with some Z06 bars and look at better brake pads. These would be the best bang for the buck...IMHO.
Remember, you can outrun everything but your money. Think before you mod...what do really want to do with the car? Good luck.
1) Nitrous kit. Good for occasional blasts. Engine wear an issue.
2) Head and Cam package, but you should upgrade your drivetrain and brakes too, to handle the new load.
3) Intake/outake upgrades and a performance chip. Not as much HP increase but relatively inexpensive and safer on the drivetrain.
3) Upgrade to the MN12 tranny and/or 3.90 or 4.10 rear. Doesn't change the HP but feels like it!!
My preference would be to do the intake/outake mods (Blackwing and performance exhaust), upgrade the chip, and put a 3.90 in the rear. Also upgrade your suspension with some Z06 bars and look at better brake pads. These would be the best bang for the buck...IMHO.
Remember, you can outrun everything but your money. Think before you mod...what do really want to do with the car? Good luck.
Last edited by TedDBere; Oct 8, 2005 at 09:46 AM.
Burning Brakes
Joined: Oct 2001
Posts: 1,011
Likes: 0
From: white hall ar
heres another way to look at it ...in days gone buy we use 2 say for every second faster u wont to go itll cost u about 1000.00 as a rule .but with that said .in my opinion ,better air flow in and better exaust out and a lets say mild cam upgrade ,just about the best deal for your money. 
Safety Car
Joined: Oct 2002
Posts: 4,434
Likes: 1
From: Austin TX
Cruise-In IV Veteran
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Cruise-In VI Veteran
St. Jude Donor '03-'04-'05
I'd recommend you start with:
donaldson blackwing airfilter
less restrictive exhaust (lots of different sounds to choose from. Shop carefully regarding resonance, loudness at WOT and cruising, etc)
A custom dyno-tune (they leave a fair bit on the table with a stock C5 coupe/vert)
Mods are an expensive addiction. My path went like this
Donaldson Blackwing Air filter.
I wanted more, so I added
Corsa exhaust
z06 sized wheels and tires
Getting better, then I added
3.42 diff gear (had a 2.73)
stainless works LT headers & mid section with highflow cats
eradispeed 2-piece drilled/slotted brake rotors with +1 size in rear
hawk hps brake pads
That felt good, gimme some more:
vortech supercharger
DTE blower cam
3.73 diff gear with hardened output shaft
FLP level 4 tranny
Yank SY3500 torque converter
upgraded fuel pump
BeCool hd radiator
custom dyno tune
That gave me my fix, but I still added a few things
DTE diff strut
b&m tranny cooler
hotchkis swaybars
ss brakelines
ate superblue brake fluid
donaldson blackwing airfilter
less restrictive exhaust (lots of different sounds to choose from. Shop carefully regarding resonance, loudness at WOT and cruising, etc)
A custom dyno-tune (they leave a fair bit on the table with a stock C5 coupe/vert)
Mods are an expensive addiction. My path went like this
Donaldson Blackwing Air filter.
I wanted more, so I added
Corsa exhaust
z06 sized wheels and tires
Getting better, then I added
3.42 diff gear (had a 2.73)
stainless works LT headers & mid section with highflow cats
eradispeed 2-piece drilled/slotted brake rotors with +1 size in rear
hawk hps brake pads
That felt good, gimme some more:
vortech supercharger
DTE blower cam
3.73 diff gear with hardened output shaft
FLP level 4 tranny
Yank SY3500 torque converter
upgraded fuel pump
BeCool hd radiator
custom dyno tune
That gave me my fix, but I still added a few things
DTE diff strut
b&m tranny cooler
hotchkis swaybars
ss brakelines
ate superblue brake fluid
Melting Slicks
Joined: Nov 2004
Posts: 3,495
Likes: 0
From: Paducah Ky
Are you looking for hp numbers or looking for that seat of the pants feel. You could change gears and think you've got 400 hp. If your wanting numbers then a different air intake, aftermarket exhaust and then some headers. Thats what I've done so far and it's over 400 hp at the crank. I also added 4:10 gears and it pulls very good. Your going to have to get more air flowing into the engine. The first three things I mentioned and a dyno tune will give you that. Now if you were talking 400 at the rear wheels, that's a whole different story.
