Supercharged LS2?
Thread Starter
Instructor
Joined: Nov 2009
Posts: 238
Likes: 1
From: swedeboro new jersey
Supercharged LS2?
Hello everyone. I am very confused about which direction to take. As I look at the fast 1/4 times list, I notice that heads and cam cars are running simular times as supercharged guys. I am really looking at MPH, because that determines how much power you have. I was going TFS heads, cam etc. I already have the 102 intake, but I am now considering going with an A&A basic system with headers. If i do, then I will sell my fast 102. It seems like the supercharger is cheaper, but how long would my engine last with a basic blower? It seems a LS2 with heads and cam can run simular speeds with better reliability. Please help with my decision. I know I may receive bias opinions, but thats fines.
Banned Scam/Spammer
Joined: Oct 2010
Posts: 5,469
Likes: 20
From: West Bloomfield MI
Getting 550 rwhp NA is going to cost big bucks to do reliably. I'm not a fan at all of heads/cam packages unless you're going to go big cubes. Heads/cam/headers/intake isn't cheap and once it's done you're pretty much maxed out unless you want to rip the whole thing apart. At least with FI you can add more boost when you get bored.
Le Mans Master
Joined: Jul 2005
Posts: 7,405
Likes: 353
From: New Castle Del.
St. Jude Donor '09
I am actually doing that EXACT set up on an LS2 right now. It has a fast on it. We are taking it off putting stock intake back on and putting an A&A on it. Feel free to stop by and check it out.
I feel a stock car with a blower is such an awesome set up. It will drive exactly how your car does now.....until you floor it. Then its an entire new animal. Let me know if i can help you in any way.
I feel a stock car with a blower is such an awesome set up. It will drive exactly how your car does now.....until you floor it. Then its an entire new animal. Let me know if i can help you in any way.
Le Mans Master
Joined: Dec 2005
Posts: 6,999
Likes: 1,685
From: Southeast TX
You're kinda in the wrong corner of the internet world to get someone to rec a cam/heads route over f/i. With f/i, you can get perfect manners and fuel eco vs heads/cam....even at higher power levels. Some guys like their vette with the rough idle that shakes at stop lights and doesn't seem to be able to pass a fuel stop. A perfect cam/heads setup might outrun a forced induction setup that wasn't optimized. With both drivers and cars at the top of their game, n/a will finish second.
Thread Starter
Instructor
Joined: Nov 2009
Posts: 238
Likes: 1
From: swedeboro new jersey
Thanks guys. You basicly validated my thoughts. What about engine longevity? will keeping it simple help with maintaining the life of the engine. 1/4 mile racing once in a while.
Le Mans Master
Joined: Dec 2005
Posts: 6,999
Likes: 1,685
From: Southeast TX
Assuming your stock LS2 is tuned right, and your f/i rig is tuned right, you're going to increase risk at about the same rate as the HP increases. Helps big time to have pro's in your corner. A crappy setup at 500 hp might die faster than a quality rig at 600 hp.
Corvette Stories
The Best of Corvette for Corvette Enthusiasts
How Much Horsepower Every Corvette Engine "LOST" in 1972
Joe Kucinski
Top 10 DOs and DON'Ts for Protecting Your Convertible Top!
Michael S. Palmer
Top 10 Most Explosive Corvettes Ever Made: Power-to-Weight Ratio Ranked!
Joe Kucinski
150 hp to 1,250 hp: Every Corvette Generation Compared by the Specs That Matter
Joe Kucinski
8 Coolest Corvette Pace Cars (and Replicas) of All Time
Verdad Gallardo
Top 10 Corvette Engines RANKED by Peak Torque (70+ Years of Muscle!)
Joe Kucinski
Corvette ZR1X Will Be Pacing the Indy 500, And Could Probably Race, Too!
Verdad Gallardo
Top 10 Corvettes Coming to Mecum Indy 2026!
Brett Foote
Top 10 C9 Corvette MUST-HAVES to Fix These C8 Generation Flaws!
Michael S. Palmer
Race Director
Joined: Jul 2000
Posts: 16,499
Likes: 2,384
From: Out Where the Buses Don't Run, Eglin AFB/ Niceville FL
2025 C8 Z06/7/E-Ray of the Year Finalist - Unmodified
2022 Corvette of the Year Finalist -- Modified
2021 C6 of the Year Winner - Modified
2020 C7 of the Year Finalist -- Modified
2020 C6 of the Year Finalist - Modified
I've been running my 06 LS2 with a self installed A&A V2 kit for two years now. I have LG Pro long tubes and stock internals. It was professionally dyno tuned by Mike Norris. I have had zero problems with it. I don't drag race or track this car. I did run 15 laps at Talladega last year and will again this year. All other operations have been strictly street driving.
Le Mans Master
Joined: Dec 2007
Posts: 8,375
Likes: 97
From: Somewhere in the Mid 9's TX
Not an ls2, but my ls3 with Andy's basic kit, and a little meth, and I ran 10.65@135.80 on the first pass with a clutch and Drag Radials(got the boot from the track for no cage after 1 pass). Going to have to go with headers though, as the SC is just too much for the stock exhaust. I blew my cats out in a couple months, killed the powerband, and I had to replace them.
Thread Starter
Instructor
Joined: Nov 2009
Posts: 238
Likes: 1
From: swedeboro new jersey
Not an ls2, but my ls3 with Andy's basic kit, and a little meth, and I ran 10.65@135.80 on the first pass with a clutch and Drag Radials(got the boot from the track for no cage after 1 pass). Going to have to go with headers though, as the SC is just too much for the stock exhaust. I blew my cats out in a couple months, killed the powerband, and I had to replace them.
Safety Car
Joined: Oct 2001
Posts: 4,945
Likes: 0
From: Dallas/Valley Ranch TEXAS!!!
Melting Slicks
Joined: Apr 2007
Posts: 3,290
Likes: 0
From: Willow Springs IL
How do you explain the zr1 or CTS-V that are FI from the factory and need to run cats? What about Calloway cars that have to run cats?
Burning Brakes
Joined: Sep 2006
Posts: 756
Likes: 2
From: EDMONTON ALBERTA
I've been running my 06 LS2 with a self installed A&A V2 kit for two years now. I have LG Pro long tubes and stock internals. It was professionally dyno tuned by Mike Norris. I have had zero problems with it. I don't drag race or track this car. I did run 15 laps at Talladega last year and will again this year. All other operations have been strictly street driving.
thanks
Race Director
Joined: Jul 2000
Posts: 16,499
Likes: 2,384
From: Out Where the Buses Don't Run, Eglin AFB/ Niceville FL
2025 C8 Z06/7/E-Ray of the Year Finalist - Unmodified
2022 Corvette of the Year Finalist -- Modified
2021 C6 of the Year Winner - Modified
2020 C7 of the Year Finalist -- Modified
2020 C6 of the Year Finalist - Modified
7psi max. The first dyno tune gave me 501rwhp but it was 100* in the shop and Mike said he had ~3% error on the low side. I have had the TB and intake ported since then but have not had a new dyno run done. My best guess is 540rwhp. The car is very reliable and other than the whine, you'd never know it was there. I have done some extensive tweaking on the A6 with HP Tuners to get it where I want it. The shifts were too harsh on the original tune.
Race Director
Joined: Oct 2005
Posts: 14,555
Likes: 1,255
From: Saint Albans, WV
I "had" the offroad x-pipe and was not a fan. I went back to high flow cats over 2 years ago and have never looked back. All factory blower cars, Callaway and Lingenfelter cars must be catted by law. I would assume it shouldn't be a major issue.
Burning Brakes
Joined: Sep 2006
Posts: 756
Likes: 2
From: EDMONTON ALBERTA
7psi max. The first dyno tune gave me 501rwhp but it was 100* in the shop and Mike said he had ~3% error on the low side. I have had the TB and intake ported since then but have not had a new dyno run done. My best guess is 540rwhp. The car is very reliable and other than the whine, you'd never know it was there. I have done some extensive tweaking on the A6 with HP Tuners to get it where I want it. The shifts were too harsh on the original tune.
Drifting
Joined: Apr 2008
Posts: 1,955
Likes: 22
From: Lehigh Valley Pennsylvania
F/I runs like stock and has much better top end potential. You will have the same potential for failure on both F/I and High HP N/A builds. F/I will be more of a piston/rod possibility for failure, N/A will normally be a valve train thing due to the extreme pressures being put on the system.
Pro
Joined: Apr 2008
Posts: 717
Likes: 1
From: DFW 942whp/938tq
He wasn't talking about the zr1 or cts-v, so I don't know how he can explain those cars.. But here locally, guys that push their fi cars eat up cats.. I've seen too many broken down to say that cats will survive on an AFTERMARKET fi system.. You can also do a search here and see that many fi cars have clogged cats..