Z-51 Front Spring
Thread Starter
Racer
Joined: Dec 1999
Posts: 256
Likes: 1
From: Fairview Oregon
Z-51 Front Spring
The dealer is replacing the front spring in my 2001 Vert. I have the Z-51 option. Is the front spring different with this option? I've heard it is the Z06 spring. I want to make sure they order the correct part. thanks 
Le Mans Master
Joined: Aug 2000
Posts: 8,762
Likes: 2
From: Murphy TX
If by different you mean from the base yes.
From ls1howto
The GM part numbers for the different suspension springs are:
- Z06 Front spring: 22178729
- Z06 Rear spring: 22188038
- Z51 Front spring: 22178729 (note: same as Z06)
- Z51 Rear spring: 22179020
- Base Front Spring: 22178728
- Base Rear Spring: 22179019
Hope this helps!
From ls1howto
The GM part numbers for the different suspension springs are:
- Z06 Front spring: 22178729
- Z06 Rear spring: 22188038
- Z51 Front spring: 22178729 (note: same as Z06)
- Z51 Rear spring: 22179020
- Base Front Spring: 22178728
- Base Rear Spring: 22179019
Hope this helps!
Team Owner
Joined: Apr 2001
Posts: 36,453
Likes: 2
From: Overwhelmed as one would be, placed in my position.... DFW, TX
St. Jude Donor '05
Originally Posted by yellow01
If by different you mean from the base yes.
From ls1howto
The GM part numbers for the different suspension springs are:
- Z06 Front spring: 22178729
- Z06 Rear spring: 22188038
- Z51 Front spring: 22178729 (note: same as Z06)
- Z51 Rear spring: 22179020
- Base Front Spring: 22178728
- Base Rear Spring: 22179019
Hope this helps!
From ls1howto
The GM part numbers for the different suspension springs are:
- Z06 Front spring: 22178729
- Z06 Rear spring: 22188038
- Z51 Front spring: 22178729 (note: same as Z06)
- Z51 Rear spring: 22179020
- Base Front Spring: 22178728
- Base Rear Spring: 22179019
Hope this helps!
Team Owner
Joined: Mar 1999
Posts: 28,753
Likes: 9
From: San Jose/Bear Valley CA
CA Events Coordinator
Originally Posted by FiberglassFan
Does anyone have the data on Lbs per inch deflection for each of the springs?
439.66 lb/in, front; 576.70 lb/in, rear (manual trans); 588.12 lb/in, rear (auto trans) --- FE-1/Base --- Source
440 lb/in, front; 577 lb/in, rear --- FE-1/Base --- Source
457 lb/in, front; 577 lb/in, rear --- MSRC --- Source
525 lb/in, front --- FE-3/Z51 --- Source
660 lb/in, front --- FE-3/Z51 --- Source
327 lb/in, rear --- FE-3/Z51 --- Source
633 lb/in, rear --- FE-3/Z51 --- Source
634 lb/in, rear --- FE-3/Z51 --- Source
525.31 lb/in, front; 633.80 lb/in, rear (manual trans); 645.22 lb/in, rear (auto trans) --- FE-3/Z51 --- Source
525 lb/in, front; 634 lb/in, rear --- FE-3/Z51 --- Source
620 lb/in, rear --- FE-4/Z06 --- Source
650 lb/in, front; 680 lb/in, rear --- FE-4/Z06 --- Source
525 lb/in, front; 714 lb/in, rear --- FE-4/Z06 --- Source
650 lb/in, front; 800 lb/in, rear --- T1 --- Source
VR
