...

Go Back   Lateral-g Forums > Technical Discussions > Chassis and Suspension
User Name
Password



Reply
 
Thread Tools Display Modes
  #1  
Old 04-08-2018, 07:14 PM
4mul8ion's Avatar
4mul8ion 4mul8ion is offline
Member
 
Join Date: Feb 2011
Posts: 40
Thanks: 0
Thanked 0 Times in 0 Posts
Default Isolation tunability of 4 link vs TA rear suspension- brand independent

I'm restarting my stalled project and hoping to get insight on one of my stall points - the rear suspension. I'm thinking about a rear suspension change and was wondering how tuneable one suspension design is vs another to isolate the gear noise either with the type of rear axle used, suspension isolation techniques or some other combination.

I'm struggling with how to phrase this question in a way that is able to be answered. Or avoid turning into a question like "what's your favorite color". This topic was briefly talked on page 1 and 3 on this thread. https://lateral-g.net/forums/showthre...t=47154&page=3 but the issue causing the post was resolved with no further talk.

So, first try at restarting a similar conversation:

Given all of the design optimization work done on each type for ride and handling, there are any advantages of one suspension type over the other to add axle type and isolation as tuning variables as well?

Example: A 4 link rear suspension manufacturer requires the use of a Ford 9" axle housing because the housing lends to better upper control arm placement and welding than a cast iron carrier. Ok, with that design, I'd have to use a Ford 9" and tune the bushings from there.

Is that inherent to that particular 4 link design or 4 links in general? Could I use an OEM based axle like a Ford 8.8 or Strange S60 with another suspension design or a different 4 link manufacturer?

Any comments greatly appreciated as I've been stuck here in analysis paralysis for a while now.
Reply With Quote
  #2  
Old 04-09-2018, 11:33 AM
BMR Sales's Avatar
BMR Sales BMR Sales is offline
Senior Member
 
Join Date: Mar 2009
Posts: 8,345
Thanks: 479
Thanked 1,474 Times in 1,106 Posts
Default

I have systems that utilize your 10 & 12 Bolt or a Strange 9" Housing
Reply With Quote
  #3  
Old 04-09-2018, 10:00 PM
4mul8ion's Avatar
4mul8ion 4mul8ion is offline
Member
 
Join Date: Feb 2011
Posts: 40
Thanks: 0
Thanked 0 Times in 0 Posts
Default

Thanks for your reply. Interesting options. I have a few questions:

For the 12 bolt kit, are axle brackets available like the 9" kit? Current 12 bolt axle has modification errors that may require new housing and I'd prefer not to have the leaf brackets.

Is the 10/12 bolt coverpan plate bolted to structure that surrounds carrier? If I wanted to use a F8.8, Strange s60 or something else that fits inside the structure, would that potentially be the only thing to custom fab?

For the Ford 9 or 12B, if I wanted to trade some ride and handling for axle isolation, how much trouble to I cause myself by changing the 95 durometer delrin bushings?

Kevin
Reply With Quote
  #4  
Old 04-10-2018, 09:24 AM
BMR Sales's Avatar
BMR Sales BMR Sales is offline
Senior Member
 
Join Date: Mar 2009
Posts: 8,345
Thanks: 479
Thanked 1,474 Times in 1,106 Posts
Default

Our 10 & 12 Bolt kits utilize the Leaf Spring brackets.

1st pic - what I call the Sandwich Plate - similar for the 12 Bolt



2nd pic - installed in my car



3rd - 9"




Last edited by BMR Sales; 06-18-2018 at 10:13 AM.
Reply With Quote
  #5  
Old 06-16-2018, 07:11 PM
TheJDMan's Avatar
TheJDMan TheJDMan is offline
Senior Member
 
Join Date: Jan 2011
Location: Northern Virginia
Posts: 689
Thanks: 5
Thanked 25 Times in 13 Posts
Default

I am no suspension expert but I would recommend that you read some of Ron Sutton's suspension posts. There is a lot of discussion on several styles of link rear suspensions available on the aftermarket these days. Some will allow you to use the 12bolt if that is the route you want to go. I have a 12bolt and I found it less costly to buy a new Moser 9" floater than to rebuild the 12bolt. As for link suspensions, Ridetech just recently released a line of link rod ends that are supposed to reduce suspension noise among other things.


https://www.ridetech.com/products/r-joint-en/
__________________
Steve Hayes
"Dust Off"
68 Camaro
Speed has never killed anyone. Suddenly becoming stationary, that's what gets you!
"Jeremy Clarkson"

Last edited by TheJDMan; 06-16-2018 at 07:17 PM.
Reply With Quote
  #6  
Old 06-16-2018, 10:32 PM
Build-It-Break-it's Avatar
Build-It-Break-it Build-It-Break-it is offline
Senior Member
 
Join Date: Feb 2014
Posts: 560
Thanks: 30
Thanked 54 Times in 28 Posts
Default

From Speedtech

http://www.speedtechperformance.com/...rod/prd613.htm

From Ron Sutton

http://www.ronsuttonracetechnology.c...alog/?page=146
__________________
Ahmad B
Reply With Quote
Reply

Thread Tools
Display Modes

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 Off

Forum Jump


All times are GMT -5. The time now is 11:29 AM.


Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2024, vBulletin Solutions Inc.
Copyright Lateral-g.net