1965 Mustang – Replacement Leaf Springs

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Posted by BobE
6/23/2024 11:31 AM
#1

I plan to replace my rear leaf springs on my 65 Mustang and want to maintain the lower than stock stance that I currently have, which is about 13.5” from wheel centerline to the fender lip. 
I’m looking at the Detroit Speed leaf spring that is a 4.5 leaf type, normal rear eye height, and has a 1.5” drop from the normal spring.
I have 15x7’s Torq-Thrust w/225/60-15 T/A radials.
Does anyone if this spring will get me close to my current ride height of about 13.5”?
Or is there a different spring I should consider?


65 Fastback, 351W, 5-speed, 4 wheel discs, 9" rear,  R&C Front End.
 
Posted by 6sally6
6/23/2024 12:02 PM
#2

I bought mine from Tubo !!!!
As you know.....with sprangz..they usually/sometimes/always settle a little from their original height.
The safe bet would be go with the Dee-troit Speed springs and wait for the 'settlement' to happen.
If not enough put in a set of lowering blocks OR.....go for the west coast rake look (which I kinda like to a degree)
6sally6


Get busy Liv'in or get busy Die'n....Host of the 2020 Bash at the Beach/The only Bash that got cancelled  )8
 
Posted by RTM
6/23/2024 12:20 PM
#3

I have bought new leafs in a long time but my past experience was that not all leafs are the same meaning one five leaf will be completely different than another. My last set was from Mustang plus and they never settled and the ride height was dead on.  For me I’ll always buy a well know name.

 
Posted by Rufus68
6/23/2024 6:03 PM
#4

I know this is an old interview; however, it is still a good watch for anyone that hasn't seen it:





(Damn, how the years sneak up on us.  I remember watching this video when it was first posted.  And it doesn't feel like 8 years have passed)
 

Last edited by Rufus68 (6/23/2024 6:04 PM)


1968 T-code Coupe with a 302.  Nice car, no show stopper for sure, but I like it.
 
Posted by Tubo
6/23/2024 10:29 PM
#5

6sally6 wrote:

I bought mine from Tubo !!!!
As you know.....with sprangz..they usually/sometimes/always settle a little from their original height.
The safe bet would be go with the Dee-troit Speed springs and wait for the 'settlement' to happen.
If not enough put in a set of lowering blocks OR.....go for the west coast rake look (which I kinda like to a degree)
6sally6

 
Thanks for the plug 6s6!! Butt I got no more to sell, all these years later 😎.

Tubo


If it ain't broke, I haven't modified it Yet
 
Posted by Steve69
6/25/2024 9:11 AM
#6

BobE wrote:

I plan to replace my rear leaf springs on my 65 Mustang and want to maintain the lower than stock stance that I currently have, which is about 13.5” from wheel centerline to the fender lip. 
I’m looking at the Detroit Speed leaf spring that is a 4.5 leaf type, normal rear eye height, and has a 1.5” drop from the normal spring.
I have 15x7’s Torq-Thrust w/225/60-15 T/A radials.
Does anyone if this spring will get me close to my current ride height of about 13.5”?
Or is there a different spring I should consider?

Sounds like they know everything about leaf springs.  I checked out their site and the springs seem a bit pricey to me.  But everything has went up a lot with inflation too.  Id probably give them a call and talk to them about what you have and what you want.  Im sure they'll get you close.   Steve69 
 

 
Posted by BobE
6/25/2024 2:44 PM
#7

Steve69 wrote:

BobE wrote:

I plan to replace my rear leaf springs on my 65 Mustang and want to maintain the lower than stock stance that I currently have, which is about 13.5” from wheel centerline to the fender lip. 
I’m looking at the Detroit Speed leaf spring that is a 4.5 leaf type, normal rear eye height, and has a 1.5” drop from the normal spring.
I have 15x7’s Torq-Thrust w/225/60-15 T/A radials.
Does anyone if this spring will get me close to my current ride height of about 13.5”?
Or is there a different spring I should consider?

Sounds like they know everything about leaf springs.  I checked out their site and the springs seem a bit pricey to me.  But everything has went up a lot with inflation too.  Id probably give them a call and talk to them about what you have and what you want.  Im sure they'll get you close.   Steve69 
 

Yes, prices have increased, Eaton-Detriot spring is about the same price (~$500/pair), but they seem to only offer a stock ride height.  I'd rather go with a "name" brand, and pay extra for a 'better' product (hopefully!).
I do plan to call Detriot Speed.
Thank you.
 


65 Fastback, 351W, 5-speed, 4 wheel discs, 9" rear,  R&C Front End.
 


 
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