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Jimmiv

1957 Ride Height

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Members, does anyone know the stock ride height of a 1957 Buick Century? And from what measure point on the frame to the ground.

Thanks I have no body on frame..that’s why I need frame height.

Jimm8 V.

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It's a crap shoot to determine when you have the car disassembled.

 

Depending on the Century Model Number, paragraph 7-13 in a 1957 BUICK SHOP MANUAL shows where to measure and what the dimensions should read with car at curb weight. Buick defines curb weight as including gas, oil, water and spare tire . . . and excluding optional equipment, undercoating and passengers.

 

 

Al Malachowski

BCA #8965

"500 Miles West of Flint"

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Posted (edited)

You cannot measure or determine ride height until the car is fully assembled. The frame must be loaded to see how far the springs compress in regards to the datum designated in the shop manual. 

 

A very inefficient way to determine your ride height would be to determine your gross vehicle weight, divide that number by four and load that number on top of each spring cup. 

Edited by Beemon (see edit history)

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On ‎1‎/‎9‎/‎2019 at 4:07 PM, Beemon said:

You cannot measure or determine ride height until the car is fully assembled. The frame must be loaded to see how far the springs compress in regards to the datum designated in the shop manual. 

 

A very inefficient way to determine your ride height would be to determine your gross vehicle weight, divide that number by four and load that number on top of each spring cup. 

Minus the weight of the rolling frame and determining the correct front/rear weight distribution of the body........ Yes?........bob

Edited by Bhigdog (see edit history)
  • Thanks 3

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10 hours ago, Bhigdog said:

Minus the weight of the rolling frame and determining the correct front/rear weight distribution of the body........ Yes?........bob

 

Yes, you would need more information, but the described above would be an "approximation". The distribution would probably be closer to 70-30%

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Seems like there is a spec termed "checking height" for the installed spring into the suspension of a complete vehicle, at "design weight" in some of the spring charts?  But, as mentioned above, no really manner in which to determine ultimate "ride height" with the vehicle not completely assembled (completed body bolted to the chassis) vehicle.  Same with trying to rough-in a suspension alignment, other than possibly toe-in (which will also be affected somewhat by the suspension being compressed from what it now is).

 

As the front of the car is usually heavier than the rear, the front springs will be of a larger metal gauge than the rears, with a slightly higher "ride rate" too.  The completed "curb weight" vehicle would probably be close to 55/45 f/r weight split.  Maybe closer to 60/40.  Only American car that was consistently 50/50 was the pre-84 Corvettes (51/49 for the big blocks).

 

Just some thoughts,

NTX5467

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