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  •  » Rear Leaf Springs - 5 Leaves?

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    7/21/2025 3:58 AM  #1

    Toploader
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    Registered: 4/15/2013
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    Rear Leaf Springs - 5 Leaves?

    Is anyone running around with 5 leaves in their rear spring set up?
    I'm considering adding a leaf and wondered what the ride might be like.

    Last edited by Toploader (7/21/2025 3:58 AM)

    1964-1/2 D Code Coupe - 289 V8, 4 Speed Toploader, 3.00 ratio rear, Autolite 4100 Carb, 15" tires, Pertronix ignition
     

    7/21/2025 8:24 PM  #2

    Nos681
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    From: Atlantic Mine, Michigan
    Registered: 7/14/2016
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    Re: Rear Leaf Springs - 5 Leaves?

    I have 5 leaf mid-eye from Mustangs Plus…early 90’s vintage.

    The KYB Gas-a-Just shocks on the rear are a bit too stiff.

    It is very noticeable when driving on washboard/potholed roads too fast.

    The shocks are my problem, not the springs.

     

    7/22/2025 3:08 AM  #3

    Toploader
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    Re: Rear Leaf Springs - 5 Leaves?

    Thanks for the reply.

    I had my springs reset by a Blacksmith just a few years ago and I had him set the springs higher too, but I think I need an extra leaf to stop it bottoming out on rough country roads when I have it loaded up with people.

    A firmer ride doesn't bother me, but I did wonder how firm the ride would be.

    1964-1/2 D Code Coupe - 289 V8, 4 Speed Toploader, 3.00 ratio rear, Autolite 4100 Carb, 15" tires, Pertronix ignition
       •Thread Starter
     

    7/22/2025 6:17 PM  #4

    Nos681
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    From: Atlantic Mine, Michigan
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    Re: Rear Leaf Springs - 5 Leaves?

    A full size spare tire, tools, and Texas beer are in trunk.
    Luggage was on rear seat.

    The ride has been fine for me the past 30+ years.

    I just drive slower on washboard dirt roads and Michigan potholed, frost heaved highways…as needed of course.

     

    7/23/2025 5:55 AM  #5

    Alan
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    From: Axtell KS
    Registered: 4/03/2013
    Posts: 538

    Re: Rear Leaf Springs - 5 Leaves?

    Nos681 wrote:

    A full size spare tire, tools, and Texas beer are in trunk.
    Luggage was on rear seat.

    The ride has been fine for me the past 30+ years.

    I just drive slower on washboard dirt roads and Michigan potholed, frost heaved highways…as needed of course.

    It's just them Ks railroad tracks that you have to look out for!
     

    67 Coupe, 5.0 EEC IV Fuel injected. T5, 3:70 rear
     

    7/23/2025 12:38 PM  #6

    Ron68
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    From: Mukilteo, Washington
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    Re: Rear Leaf Springs - 5 Leaves?

    I have 5 leaf springs on my 68, along with KYB shocks and a 3/4" sway bar. Not the smoothest ride, but not squirrelly either.  

    68 coupe - 351W, 4R70W, 9" 3.25 -- 65 convertible - 289 4v, C4, 8" 3.00
     

    7/23/2025 5:35 PM  #7

    Nos681
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    From: Atlantic Mine, Michigan
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    Re: Rear Leaf Springs - 5 Leaves?

    Alan wrote:

    Nos681 wrote:

    A full size spare tire, tools, and Texas beer are in trunk.
    Luggage was on rear seat.

    The ride has been fine for me the past 30+ years.

    I just drive slower on washboard dirt roads and Michigan potholed, frost heaved highways…as needed of course.

    It's just them Ks railroad tracks that you have to look out for!
     

    No kidding and Kaliforistan’s highway construction.

     

    7/23/2025 5:38 PM  #8

    Nos681
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    From: Atlantic Mine, Michigan
    Registered: 7/14/2016
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    Re: Rear Leaf Springs - 5 Leaves?

    Ron68 wrote:

    I have 5 leaf springs on my 68, along with KYB shocks and a 3/4" sway bar. Not the smoothest ride, but not squirrelly either.  

    After the  2019 Bash, I disconnected…eventually removed  and sold 3/4” rear sway bar.

    I noticed less oversteer and a smoother ride.

    As Sally says…just sayin’

    Disconnecting the rear sway bar was a suggestion by RPM.

    Last edited by Nos681 (7/23/2025 5:40 PM)

     

    10/01/2025 6:17 AM  #9

    Toploader
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    Re: Rear Leaf Springs - 5 Leaves?

    Nos681 wrote:

    I have 5 leaf mid-eye from Mustangs Plus…early 90’s vintage.

    The KYB Gas-a-Just shocks on the rear are a bit too stiff.

    It is very noticeable when driving on washboard/potholed roads too fast.

    The shocks are my problem, not the springs.

    You definitely convinced me to go 5 leaf and thanks again for the ride to see how your car handled in the flesh. I was most impressed.
     

    1964-1/2 D Code Coupe - 289 V8, 4 Speed Toploader, 3.00 ratio rear, Autolite 4100 Carb, 15" tires, Pertronix ignition
       •Thread Starter
     

    10/01/2025 7:32 AM  #10

    rpm
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    From: Bakersfield, Ca
    Registered: 9/17/2013
    Posts: 3,855

    Re: Rear Leaf Springs - 5 Leaves?

    Toploader wrote:

    Nos681 wrote:

    I have 5 leaf mid-eye from Mustangs Plus…early 90’s vintage.

    The KYB Gas-a-Just shocks on the rear are a bit too stiff.

    It is very noticeable when driving on washboard/potholed roads too fast.

    The shocks are my problem, not the springs.

    You definitely convinced me to go 5 leaf and thanks again for the ride to see how your car handled in the flesh. I was most impressed.
     

     
    Everbody has that same impression. The Kid done good work on his 65.

    Bob. 69 Mach 1, 393W, SMOD Toploader, Armstrong  steering, factory AC.
     

     

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