thicker axle question - TCCoA Forums
 
LinkBack Thread Tools
post #1 of 7 (permalink) Old 10-02-2007, 02:52 PM Thread Starter
Motorboatin' SOB
Headlight Cleaning Guru
 
big mike's Avatar
 
Join Date: Jul 2002
Location: H-town, TX
Posts: 6,910
Send a message via AIM to big mike
thicker axle question

in general, would swapping to thicker (heavier) axles slow our cars down any? i would think that adding weight to the rotating mass in our rear ends would decrease acceleration.

again, this is in general.

2014 GT
1990 300ZX TT
big mike is offline  
Sponsored Links
Advertisement
 
post #2 of 7 (permalink) Old 10-02-2007, 03:51 PM
Seasoned PostWhore

Super Moderator
 
Join Date: May 2003
Location: Tinton Falls, NJ
Age: 36
Posts: 7,430
Garage
Send a message via AIM to MadMikeyL
In theory, you are correct. However as slight as the weight difference is, I don't think it would be enough to notice.

-91 Cougar LS, coming soon, complete overhaul with a 427" Windsor.
-90 XR7 5-speed black on black w/sunroof, MP2, coated rotors, double intercooler, 15%OD, ported heads, comp stage 1 cam, 85mm TB, 90MM LMAF, 80# injectors, and ported big valve heads
-98 Mark VIII LSC, Procharger P600b, TR3650 swap and 3.73s.
-90 SC Automatic rustbucket winter beater
-97 Tbird Sport 4.6 Nice weather daily driver
-"Your buddy Mike is INSANE!" -ClintD's dad
MadMikeyL is offline  
post #3 of 7 (permalink) Old 10-26-2007, 10:22 PM
PostWhore
The AFDB is on a lil tight.
 
Splattered's Avatar
 
Join Date: Mar 2007
Location: is hot
Posts: 3,868
Are SC half shafts worth grabbing from junk yard? Im not planning to go above 350 hp and that wont even be in a long while when I start to upgrade the upgrades. But realistically lets assumes the following which is my current goal, numbers aside. A PI conversion with Port/polished heads on a stock NPI bottom tuned with port/polished plenum larger TB and MAF(specs are undecided but assume the optimum sizes). Built trans/TC, one piece aluminum DS, 3.73's or 3.55's. And full exhaust with ported manifolds. And a rear shock tower/diff cover brace with more bracing in the front. Should I even bother with them?

Spinning pies like wheels.

DD driving my 20 year old project

Now with new ball joints...again
Splattered is offline  
Sponsored Links
Advertisement
 
post #4 of 7 (permalink) Old 10-26-2007, 10:30 PM
Seasoned PostWhore

Super Moderator
 
Join Date: May 2003
Location: Tinton Falls, NJ
Age: 36
Posts: 7,430
Garage
Send a message via AIM to MadMikeyL
Stock axles will probably hold up ok for street use, but if you take the car to the track and launch hard on some sticky tires, the axle might break. I'd say pick up a pair if and when you find them, and that way at least if you eventually do break an axle, you'll have a better one waiting to go in, instead of having to buy a new stock replacement.

-91 Cougar LS, coming soon, complete overhaul with a 427" Windsor.
-90 XR7 5-speed black on black w/sunroof, MP2, coated rotors, double intercooler, 15%OD, ported heads, comp stage 1 cam, 85mm TB, 90MM LMAF, 80# injectors, and ported big valve heads
-98 Mark VIII LSC, Procharger P600b, TR3650 swap and 3.73s.
-90 SC Automatic rustbucket winter beater
-97 Tbird Sport 4.6 Nice weather daily driver
-"Your buddy Mike is INSANE!" -ClintD's dad
MadMikeyL is offline  
post #5 of 7 (permalink) Old 10-27-2007, 01:57 AM
PostWhore
The AFDB is on a lil tight.
 
Splattered's Avatar
 
Join Date: Mar 2007
Location: is hot
Posts: 3,868
I read somewhere in here that the LX half shafts can take nearly 400hp, im not sure about on slicks, but I dont plan on buying slicks either. Racing is fun but not a hobby in itself, I do plan on eventually putting 17X8s and some touring tires, never slicks.
This 91 SC is waiting to be stripped at this yard with white rims but I dont have the time to do it I just grabbed the spoiled which someone else pulled off but left at the scene. Id grab everything on it if it was worth my while to do so. The bastards that work there propped the car on steel rims trapping the GFX and rear valance between the car and the steel rims. MFers I swear they show the dead no respect but I plan getting back there in 40 days after school is over and grabbing the front sway bar. Half shafts are tough to yank though so Id have to know for sure if I want to do it. If the car is still there Ill post pics to see if someone wants something on a return visit, i plan on at least 2 or 3 on break. It seems like people only sometimes want SC stuff. Are 91-93 SC seats usable for my 94?

Spinning pies like wheels.

DD driving my 20 year old project

Now with new ball joints...again
Splattered is offline  
post #6 of 7 (permalink) Old 10-27-2007, 07:33 AM
Seasoned PostWhore

Super Moderator
 
Join Date: May 2003
Location: Tinton Falls, NJ
Age: 36
Posts: 7,430
Garage
Send a message via AIM to MadMikeyL
The half-shafts aren't hard to pull. Just take out the 3 bolts that hold the spindle on, cut the brake lines and ebrake cables, and pull the axle out with the spindle and brakes and everything still attached. Then once you get home and have a clean flat area to work on, you can take them apart the rest of the way.

As for how much the axles can take, it varies. I've seen a bone stock 3.8 break a V8 axle, and I've heard numerous stories of stock V6 axles holding up to various V8 swaps. Basically, when you put stress on the driveline, the weakest link is going to break. Usually on the street, that weakest link is the tires and they just start spinning, but if they don't, something else has to give, and it could be the axles, the diff, the U-joints, or even the trans itself. There's really no way to know what's going to break first, but the axles are a likely candidate.

-91 Cougar LS, coming soon, complete overhaul with a 427" Windsor.
-90 XR7 5-speed black on black w/sunroof, MP2, coated rotors, double intercooler, 15%OD, ported heads, comp stage 1 cam, 85mm TB, 90MM LMAF, 80# injectors, and ported big valve heads
-98 Mark VIII LSC, Procharger P600b, TR3650 swap and 3.73s.
-90 SC Automatic rustbucket winter beater
-97 Tbird Sport 4.6 Nice weather daily driver
-"Your buddy Mike is INSANE!" -ClintD's dad
MadMikeyL is offline  
post #7 of 7 (permalink) Old 10-27-2007, 10:26 AM
The Parts Guy
 
racecougar's Avatar
 
Join Date: Jul 2002
Location: Imperial, Missouri (near St. L
Age: 36
Posts: 7,265
Quote:
Originally Posted by MadMikeyL View Post
I've seen a bone stock 3.8 break a V8 axle...
Naw, who breaks halfshafts with a V6.

-Rod

Rod @ AzzKicker Cars
[email protected]
90 XR7-The Meth Addict-KB SC'd 5.0L DOHC Stroker
2004 Mustang GT-The Driver-Intake/Exhaust/3.73's
1995 F150 4x4-The Mud Toy-5.0L/4R70W/33's/Warn 8274 Winch
94 LX w/Splitport 3.8L from 2000 Mustang - SOLD
2 - 90 35th Anny Ed SC's
And a TON of parts cars!
racecougar is offline  
Reply

Quick Reply
Message:
Options

Register Now



In order to be able to post messages on the TCCoA Forums forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.

User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.

Password:


Confirm Password:
Email Address
Please enter a valid email address for yourself.

Email Address:
OR

Log-in











Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page



Posting Rules  
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is On
Trackbacks are On
Pingbacks are On
Refbacks are On

 
For the best viewing experience please update your browser to Google Chrome