[Shotimes] Spring Rate Survey

Don McKinnon (AST) dmckinnon@asttechlabs.com
Tue, 25 Mar 2003 14:52:44 -0500


Leigh,
Here's some info I have...

Aftermarket Rates:
Old SHO Shop Linears, F 210, R 170, 19% Delta

Eibachs Progressive soft, F 151, R148, 2% Delta
Eibachs Progressive firm, F 258, R 194, 24.5% Delta
Eibachs installed quiescent (sitting height) rate?

Intrax Progressive soft, F143, R 123, 14% Delta
Intrax Progressive firm, F 266, R 249, 6.5% Delta
Intrax installed quiescent (sitting height) rate?

BTW delta with the 94/95 TRS/ZED is 35.5%, 89 JIT/EMT 35%.

FYI - Spring uninstalled height (all sitting on the floor next to each
other)
Fronts TRS: 16.125"
Eibach: 14.25"
SS Lin: 13.625"

Rear ZED: 15.0"
Eibach: 14.25"
SS Lin: 13.75"

Don McKinnon
95 MTX - White/Mocha 91k miles
Stage 1 Power Package with Stage 1cams
Canyon Carver Road/Race Suspension
Quaife & HiRevs Competition Clutch


-----Original Message-----
From: shotimes-admin@autox.team.net
[mailto:shotimes-admin@autox.team.net]On Behalf Of Leigh Smith
Sent: Tuesday, March 25, 2003 6:43 AM
To: shotimes@autox.team.net
Subject: [Shotimes] Spring Rate Survey


I've compiled Various Springs Rates from Various Sources from old e-mails.
Anyone have anything to add?
Any spring code tags for mid-years?
Any more info on aftermarket spring rates?
E-mail me back and I'll compile an update for the FAQ

Leigh


YR   Code  Spring Rates F/R
94/95  TRS/ZED  155/100 lb/in
92-93   ?
90-91	?
89     JIT/EMT  200/130


Eibach #?   150-260/150-194 variable rate
Intrax #?    20% stiffer than stock   ?  linear rate?
Moog   # CC858/CC859    ?    variable rate
Napa # 277-5235/277-5216   ?   same as Moog?
ShoShop #?    ?    Linear rate
IPT	#?    600/400    coliovers
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