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front spring ID

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Old Aug 31, 2008 | 08:38 AM
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Default front spring ID

Ok you spring identification experts. I am sitting here looking at a front C4 spring. The code on it shows FHA then 1 - 6 below that. What do I have?

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Old Aug 31, 2008 | 09:25 AM
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FHA = front/non-Z51 rate: 93.1 should fit 88 to 96.
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Old Aug 31, 2008 | 12:58 PM
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Originally Posted by Aardwolf
FHA = front/non-Z51 rate: 93.1 should fit 88 to 96.
Is there a list that translates all these codes?


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Old Aug 31, 2008 | 02:41 PM
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This is the list I have:

'84-'96 rear springs are interchageable
'88-'96 front springs are interchangeable
'84-'87 front springs are interchangeable


BMB 1984 Corvette Specifications Manual shows the the 1984 FE7 front spring to have a rate of 110.9 N-m.


NYU'85-88 HD FE7

NYU'89 90 HD FE7 excFX3

NYU'91-95 HD FE7

BMF'84 exc HD FE7

BMH'84 HD FE7

NYR '86 HD FE7

NYR '87-01 Soft ride FE1

NYR '89-90 HD FE7 w/FX3

NYR '92-93 Soft ride FE1

FSK = 90.1

FHA = 93.1

RHY = 33.0 rate

FSR & FSS = 73.2 rate


SPRING RATES

FRONT 84-87
BMB 102
HMZ 63.5
HKX 39.9
HMP 39.9
HM2? 57.2
HMN 54.4

FRONT 88-96
FHA 93.1
FHB 115.5
FHC 93.1 `88 - `91 convertibles, including `88 Z52 verts, and `90/1 verts with FX3.
AA 96.2
FSK 90.1
FSM 75.4
FSS 90.1
FSR 73.2
HA 60
JA 60

REAR 84-96
BMF 72
BMH 87.5
NYU 57.2
NYR 39.9
RCA 39.9
RHY 39.9
RHZ 39.9
RR 26

FHU 63.5 '84-'87
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Old Sep 1, 2008 | 08:22 PM
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Originally Posted by Aardwolf
This is the list I have:

'84-'96 rear springs are interchageable
'88-'96 front springs are interchangeable
'84-'87 front springs are interchangeable


BMB 1984 Corvette Specifications Manual shows the the 1984 FE7 front spring to have a rate of 110.9 N-m.


NYU'85-88 HD FE7

NYU'89 90 HD FE7 excFX3

NYU'91-95 HD FE7

BMF'84 exc HD FE7

BMH'84 HD FE7

NYR '86 HD FE7

NYR '87-01 Soft ride FE1

NYR '89-90 HD FE7 w/FX3

NYR '92-93 Soft ride FE1

FSK = 90.1

FHA = 93.1

RHY = 33.0 rate

FSR & FSS = 73.2 rate


SPRING RATES

FRONT 84-87
BMB 102
HMZ 63.5
HKX 39.9
HMP 39.9
HM2? 57.2
HMN 54.4

FRONT 88-96
FHA 93.1
FHB 115.5
FHC 93.1 `88 - `91 convertibles, including `88 Z52 verts, and `90/1 verts with FX3.
AA 96.2
FSK 90.1
FSM 75.4
FSS 90.1
FSR 73.2
HA 60
JA 60

REAR 84-96
BMF 72
BMH 87.5
NYU 57.2
NYR 39.9
RCA 39.9
RHY 39.9
RHZ 39.9
RR 26

FHU 63.5 '84-'87

Thanks
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