Drivetrain Rear End Comparison

GoldenEagle91 · Dec 12, 2013

Yeah from what I've seen in terms of upper and lower rear control arms they are universal from 79 to 93. I didn't happen to see any disclaimer.

Mustang5L5 · Dec 12, 2013

Is the suspension original?

Have quad shocks been retrofitted onto that car at some point? Does it have the early fox traction bars?

Being a '79....aluminum rear drums?

GoldenEagle91 · Dec 12, 2013

I believe the suspension is original. I can take a picture of the vehicle when I get home from school. To date I know it has subframe connectors and thats it in terms of chassis. As for the other things that you asked I can not confirm at this time.

GoldenEagle91 · Dec 12, 2013

Another question and this may be a dumb one. I had thought that I read somewhere that if you install control arms like these http://www.latemodelrestoration.com...-Chrome-Moly-Upper-Lower-Rear-Control-Arm-Kit that you can no longer use a rear sway bar. Is there any truth to that or am I talking out of my butt?

7991LXnSHO · Dec 12, 2013

If it has not been retrofitted with quad shocks, I would consider aftermarket arms and better bushings to minimize wheel hop. Wheel hop was an issue on my 79
that had a SROD and a 302. And that hop is hard on parts.

As far as brake lines fitting, I would check a parts catalog to see if the donor car used the same hose as your 79.

My 79 had ferrous metal drums, not aluminum ones.

7991LXnSHO · Dec 12, 2013

Buy control arms with sway bar brackets welded to the bottom.

Mustang5L5 · Dec 12, 2013

7991LXnSHO said:
If it has not been retrofitted with quad shocks, I would consider aftermarket arms and better bushings to minimize wheel hop.

Not guaranteed. I have aftermarket control arms and new bushings and shocks and had wheel hop without the quads. Had to put them back on.

GoldenEagle91 · Dec 12, 2013

I guess I'm not really familiar with the quad shocks that you guys are talking about so I will have to do some homework on that. I think the link that I posted for the control arms does have the sway bar brackets welded to the bottom. Is the difference of using aftermarket control bars and an aftermarket sway bar like night and day difference in terms of handling once they're installed?

7991LXnSHO · Dec 12, 2013

Mustang5L5 said:
Not guaranteed. I have aftermarket control arms and new bushings and shocks and had wheel hop without the quads. Had to put them back on.

Agreed. That is why I typed"minimize". (Quad shocks are a second pair of shocks that are mounted horizontally on the rear axle.) Some on here have lucked out without quad shocks but I am not trying removing mine. If the arms only help some, he is still better off than a stock 79 set up.

GoldenEagle91 · Dec 12, 2013

Oh okay, thank you for explaining the quad shocks concept. I will have to look into doing that if it isnt already done. I plan on doing the control arms and sway bar as soon as I get back in the money cause the rear end can come later

85rkyboby · Dec 12, 2013

I don't have quad shocks! Am I missing something?!

GoldenEagle91 · Dec 12, 2013

85rkyboby said:
I don't have quad shocks! Am I missing something?!

I just did some reading and I don't think I have them either but I won't know until I get home to see

85rkyboby · Dec 12, 2013

GoldenEagle91 said:
I just did some reading and I don't think I have them either but I won't know until I get home to see

God, I hate to change anything now as I'm so used to how it handles when carving.

GoldenEagle91 · Dec 12, 2013

85rkyboby said:
God, I hate to change anything now as I'm so used to how it handles when carving.

I imagine it'll just plant the power better than what you are used to.

A5literMan · Dec 13, 2013

On my 86 I ran MM lowers w/stock uppers,sway bar,and removed the quad shocks. With eibach springs & shocks. I had no wheel hop and it handled a lot better than stock

Mustang5L5 · Dec 13, 2013

85rkyboby said:
God, I hate to change anything now as I'm so used to how it handles when carving.

Do you have wheel hop? If not, don't worry about it.

GoldenEagle91 · Dec 13, 2013

A5literMan said:
On my 86 I ran MM lowers w/stock uppers,sway bar,and removed the quad shocks. With eibach springs & shocks. I had no wheel hop and it handled a lot better than stock

I was counting on doing both upper and lower control arms and then a sway bar to get me by. I'm a bit nervous about dropping the ride height any with springs because of header ground clearance issues.

A5literMan · Dec 13, 2013

GoldenEagle91 said:
I was counting on doing both upper and lower control arms and then a sway bar to get me by. I'm a bit nervous about dropping the ride height any with springs because of header ground clearance issues.

You could get front coil overs and adj the ride height. Ground clearance isn't usually an issue unless it's drastic speed bumps or really steep drive ways. I never had an issue but I ran shorty headers. The h pipe/cat back never has hit anything and I've driven over some speed bumps and had a driveway with some grade to it. Just a fwiw depends on how much you drop it and headers. A 3/4"-1" drop shouldn't ever be a problem

85rkyboby · Dec 13, 2013

Mustang5L5 said:
Do you have wheel hop? If not, don't worry about it.

Nope. Thanks!

GoldenEagle91 · Dec 13, 2013

A5literMan said:
You could get front coil overs and adj the ride height. Ground clearance isn't usually an issue unless it's drastic speed bumps or really steep drive ways. I never had an issue but I ran shorty headers. The h pipe/cat back never has hit anything and I've driven over some speed bumps and had a driveway with some grade to it. Just a fwiw depends on how much you drop it and headers. A 3/4"-1" drop shouldn't ever be a problem

Okay sounds like a plan. Thanks for your input

Drivetrain Rear End Comparison

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That is…until I whipped out my Bissell

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wanna catch the space herp

wanna catch the space herp

That is…until I whipped out my Bissell

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wanna catch the space herp

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At least it is lumpy...

That is…until I whipped out my Bissell

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At least it is lumpy...

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