Rear coil overs- - Ford Mustang Forums : Corral.net Mustang Forum
 
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post #1 of 8 Old 04-29-2018, 11:09 PM Thread Starter
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Rear coil overs-

I absolutely love how my car rides with the MM coils upfront. It was by far the best mod that was done to the car thus far.

Iím wondering what peopleís experiences are with rear coil over kits? Is it as noticeable of a difference like when you do the fronts?

How is tire clearance? Car has a 285 going in the back soon so Iím just wondering.

Thanks.


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post #2 of 8 Old 04-30-2018, 02:01 PM
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Love my coilovers, So easy to swap springs, adjustability is great, and its lighter than big conventional springs.


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post #3 of 8 Old 05-09-2018, 07:23 AM
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I once considered rear coilovers, but at the time had the stock 4-link with GW LCA's. I was under the impression you need a panhard bar for rear coilovers, to prevent sideways loads. Maybe the top shock mount of CO kits have been improved enough that this is no longer an issue?

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post #4 of 8 Old 05-09-2018, 05:43 PM
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Your front spring rate will dictate the use or not of coilovers out back.
On my street driven '86 I'm using 250lb front springs so I had no option but to use conventional springs with the T/A.

Wouldn't 350lb front springs be the minimum in order to run coilovers out back to get the proper balance front to rear(250lb rears)?

I had 300lb springs up front for one summer and the ride on the roads up here was a killer,went back to the 250's.I give you guys credit when running high spring rates on the street,in my younger years I would have done it but not any more.lol

2 owner '86 Med.Canyon Red Met.(original paint) T-top,5 speed,3.55 rear,MAF conversion(A9L).MM adj. RLCAs,T/A and Panhard Bar,spring rate:375#-440#,MM C/C plates,STB,4pt KMB,FLSFC's,'03 Cobra rack-n-pinion w/ Saginaw pump conversion.Bilstein MM coilover conversion and A-arms,spring rate:250#.
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post #5 of 8 Old 05-22-2018, 01:28 PM
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I've run the 300#C/Os on Bilstein HDs up front. Better ride than I had with the "C" springs. Frankly, ride quality improves by reducing rear bind caused by the UCA's rubber bushings. When one goes to a T/A, PM3L or Steeda 5-link, all that bind is removed. As a result, you have to run a higher rear rate. Typically, with a full C/O suspension rule of thumb is about 100# spring rate difference between the front and rear (more in front). This translates into nearly identical wheel rates with a slight bias to the rear. If using a C/O front and conventional rear springs, the above rule of thumb doesn't work. Here the wheel rate conversion must be made to get the correct rear rate. If you are still using the stock converging 4-link rear, the bind in the suspension adds wheel rate in bump - this is a progressive rate too leading to bind. This added rate has to be taken into consideration when going for a better ride. Otherwise, you are likely to over-spring and underdamp causing ride and handling issues.
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post #6 of 8 Old 06-01-2018, 04:01 PM Thread Starter
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With my soft 225 pound front coil overs, I canít run rear coil overs anyways. I have HR springs in the rear now w/ a TA all from MM. looks like Iíll be keeping the set up I have now.


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post #7 of 8 Old 06-05-2018, 12:24 PM
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Quote:
Originally Posted by Striker01 View Post
With my soft 225 pound front coil overs, I canít run rear coil overs anyways. I have HR springs in the rear now w/ a TA all from MM. looks like Iíll be keeping the set up I have now.


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Which rear H&R springs are you running with the 225# fronts C/O's?

Mike
--1988 Mustang LX 5.0--
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post #8 of 8 Old 08-05-2018, 11:30 PM Thread Starter
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94-95 GT specd ones.

Car rides freaking amazing.

Jack definitely steered me in the right direction.


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