Best replacement springs

Old Jan 22, 2023 | 07:19 PM
  #1  
matt69olds's Avatar
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From: central Indiana
Best replacement springs

Need some front spring part number suggestions for Project Olds-Camino.

I remember the spring hassles I went thru with my car. Tried a few different springs trying to get the ride height up where I want it, and without the side yo side lean. I eventually said to hell with it, stopped fighting it, and went coil overs. Problem solved!!

Unfortunately, coilovers are WAY out of the budget for this project

So, what spring part number works well on a A/C 455 71 A body? Thanks!!
Old Jan 22, 2023 | 07:28 PM
  #2  
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Moog 5450 is the standard spring for a 455 Cutlass/442 with AC. The listing shows "442,Incl. S & Supreme".
Moog 5400 is listed for "All excluding Station Wagon or 442".

Below are the spring specs from the Moog catalog.

5450 small block - AC - heavy duty, big block - no AC - heavy duty, -442 big block - AC - heavy duty
wire diameter = 0.690"
load height = 12.000"
load = 1642 pounds
rate per inch = 454 pounds
free height = 15.616"


5400 big block - AC
wire diameter = 0.660"
load height = 11.000"
load = 2167 pounds
rate per inch = 360 pounds
free height = 17.004"

Last edited by Fun71; Jan 22, 2023 at 07:39 PM.
Old Jan 23, 2023 | 06:13 PM
  #3  
FINISHLINE's Avatar
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Originally Posted by Fun71
Moog 5450 is the standard spring for a 455 Cutlass/442 with AC. The listing shows "442,Incl. S & Supreme".
Moog 5400 is listed for "All excluding Station Wagon or 442".

Below are the spring specs from the Moog catalog.

5450 small block - AC - heavy duty, big block - no AC - heavy duty, -442 big block - AC - heavy duty
wire diameter = 0.690"
load height = 12.000"
load = 1642 pounds
rate per inch = 454 pounds
free height = 15.616"


5400 big block - AC
wire diameter = 0.660"
load height = 11.000"
load = 2167 pounds
rate per inch = 360 pounds
free height = 17.004"
Hello all. I need to jump into this thread as front suspension is an upcoming project for me as well.
Is that 5450 spring meant to replicate the springs found in the FE2 suspension package?
Old Jan 23, 2023 | 07:43 PM
  #4  
Fun71's Avatar
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I do not know for sure, but I suspect yes as the application says all 442. Did not all 442s have FE2 sport suspension?

Last edited by Fun71; Jan 23, 2023 at 07:50 PM.
Old Jan 23, 2023 | 07:47 PM
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Originally Posted by FINISHLINE
Hello all. I need to jump into this thread as front suspension is an upcoming project for me as well.
It's probably better (and definitely more polite) if you start your own thread.
Old Jan 24, 2023 | 03:10 AM
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Originally Posted by bangscreech4-4-2
it's probably better (and definitely more polite) if you start your own thread.
🙄
Old Jan 24, 2023 | 02:24 PM
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From: Muskegon, Mi.
Eaton Spring.OEM supplier.
Old Jan 24, 2023 | 02:59 PM
  #8  
FINISHLINE's Avatar
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Joined: Sep 2021
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Originally Posted by 1969w3155
Eaton Spring.OEM supplier.
Thank you. I'll check that out.
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