Results 1 to 7 of 7
Thread: 3.23 Vs 3.73 Worth the change?
-
01-09-2024, 08:35 AM #1
- Join Date
- Oct 2021
- Location
- Rhinelander
- Posts
- 7
Pewter- 2002 WS6 Trans Am
3.23 Vs 3.73 Worth the change?
I have a 2002 WS6 Automatic car with 3.23 rear. Just curious how much better will my time would be at the 1/4 strip. Right now stock running 13.6 at 103mph on street tires. Mechanic told me a waste of money as 1st gear in the 4L60E is really low. Feedback please. Thanks.
-
01-15-2024, 06:15 AM #2
- Join Date
- Sep 2010
- Location
- Bel Air, Maryland
- Posts
- 1,719
Silver- '02 Trans Am WS-6, 6M
What area are you running the car?
Is the car bone stock, or are there any upgrades? What is your setup?
Are you loading the converter for launch?SLP Air Lid/Smooth Bellows
L76 6.0L block, PRC Ported 243 heads, Texas Speed 224R cam.
Kooks Emissions LT Headers/Catted Y pipe
NGK TR55 plugs
Magnaflow Cat-back
Spohn Front Upper Tubular Control Arms
UMI Front Lower Tubular Control Arms
UMI Front Sway Bar
UMI Rear Lower Control Arms/ Adjustable Panhard Rod
UMI Welded-on Two Piece Subframe Connectors
Factory C5 Z06 17x9.5 wheels w/ 285-40-17 Continental Extreme Contact Sports all the way around.
Dyno Dynamics dynoed @:
415 rwhp
-
01-15-2024, 09:39 AM #3
- Join Date
- Oct 2021
- Location
- Rhinelander
- Posts
- 7
Pewter- 2002 WS6 Trans Am
Ok now I have a LS1 with the 243 heads, TR55 plugs and the mild cam series Stage 2 from Cam Motion. Per calculations supposedly 425hp now with a smooth idle. I based it on the 2002 ZO6 Vette motor. GM Reman 4L60E, balanced driveshaft, 3.23 twin spin. 3" Texas Cat back exhaust and the SLP air lid. Just a toy for occasional track use. Feels weird doing the strip after all the years of street racing. I love it as there are no longer red and blue lights behind me. I plan on doing the weld in sub frame connectors. I like it looking stock and may do the drag radials but always a good idea to get input from others that have been playing with these cars longer the myself. Any input would way cool. JP
-
01-18-2024, 10:50 AM #4
-
01-18-2024, 02:20 PM #5
- Join Date
- Oct 2021
- Location
- Rhinelander
- Posts
- 7
Pewter- 2002 WS6 Trans Am
Appreciate the input. I just read up and the 7.5 is weakest link. Thanks.
-
01-19-2024, 07:27 PM #6
- Join Date
- Feb 2009
- Location
- Florida Man Status Acheivement
- Posts
- 11,785
Navy Blue Metallic- 98 T/A, 00 FBVert, 78T/A
3.23 Vs 3.73 Worth the change?
it's been debated on what is the weakest. The rear or the 4L60 aka 4Lshitty.
http://www.ls1.com/forums/f7/my-6-liter-build-174257/
http://www.ls1.com/forums/f8/my-8-8-rear-build-165553/
6.0L Block - Forged 403ci , Polluter Stg3 Cam, FAST 102mm Intake, NW102 TB, MSD wires, NGK TR6 plugs, Truck Coil Packs, LS3 Fuel Injectors, CC Pacesetter LT Headers, TS&P ORY, QTP e-Cutout, Magnaflow Muffler, 104mm Air Lid & Line Lock, Catch Can, Stage 2 T56 w/Viper shaft, PRO 5.0 Shifter, Tick MC, SPEC Stg3+ Clutch, QT SFI BH, MWC DSL, Full UMI Performance Suspension, Viking Coilovers, YR1 Snowflake Wheels wrapped in NT555 tires & Custom Fab Ford 8.8 rear w/Wavetrac Diff 3.93 Yukon Gears, WSQ Hood, 3"CM Strange Eng Drive Shaft.
00 FB Vert - "Stockish" Belstein Shocks, Hotchkis Springs (1" Drop), C7 Snowflake 17" Wheels
78 FB - Just getting started......
Horsepower never lies, but is often lied about!
-
01-20-2024, 10:45 PM #7
- Join Date
- Sep 2010
- Location
- Bel Air, Maryland
- Posts
- 1,719
Silver- '02 Trans Am WS-6, 6M
At least the 4L60 can be beefed up to take more power. Worst case one can get a 4L65 for not too much pain.
There things that can be done with the 7.625? rear but will it really handle more power than stock (if even that), if its beat on? Especially with a thin toothed 3.73:1 gearset? 3.42?s are about as numerically high as I would go with this rear.
That being said, my 1989 T/A chewed up a set of Richmond Gears 3.23?s with a bolt on only 305 TPI.
Thread Information
Users Browsing this Thread
There are currently 1 users browsing this thread. (0 members and 1 guests)
Similar Threads
-
Handling change w/ tire change
By hotdog453 in forum Wheels and TiresReplies: 1Last Post: 06-17-2008, 06:17 PM -
is it worth it.....
By 74batmobile in forum General HelpReplies: 5Last Post: 01-07-2008, 10:34 PM -
What's it worth?
By Getzen_Guy in forum Firebird / WS6Replies: 2Last Post: 08-14-2007, 10:44 AM -
is the ls6 swap worth the change
By chuxz07 in forum New Member IntroductionsReplies: 3Last Post: 05-27-2007, 01:02 PM -
Is it worth it to just change monsoon Head Unit?
By gbarrkansas in forum Stereo and ElectronicsReplies: 8Last Post: 01-26-2006, 06:02 PM
Bookmarks