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9/4/16 12:30pm - Original Message: 'rear leaf spring size'
LakeSkiGoose
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Grosse Pointe Woods, MI - USA

Vette(s):
1978 Corvette Coupe Base

Joined: 7/21/2016
Posts: 9
rear leaf spring

so it looks like buying you have a choice between 2 1/4 and 2 1/2 inch width springs...  so I measure at the mount area and it seem to be right between, like 2 3/8

which do I get?   1978 standard 
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9/4/16 8:25pm - Reply: 'Re: rear leaf spring size'
Adams' Apple Lifetime Member
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Duncanville, TX - USA

Vette(s):
#1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas

Joined: 11/8/2003
Posts: 19459
You prolly need the 2 1/4" spring. Re-measure it closer to the diff/center. The ends of the springs are flared where they attach to the trailing arm bolts. Thumbs Up

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Joel Adams
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"Money can't buy happiness -- but somehow it's more comforting to cry in a CORVETTE than in a Kia"
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9/6/16 8:36pm - Reply: 'Re: rear leaf spring size'
Jeffm Gold Member
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Sebago Lake, ME - USA

Vette(s):
1978 Silver Anniversary L82 4spd (M21) Red Leather. -1978 Pace Car L82 4spd (M21) 20k miles.

Joined: 2/15/2007
Posts: 962
The Pace car which has the original on it appears to measure 2 1/4" and 6 leafs. 
Also has the FE7 Gymkhana Suspension. I don't know if that would make any difference. 


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9/6/16 9:27pm - Reply: 'Re: rear leaf spring size'
Adams' Apple Lifetime Member
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Duncanville, TX - USA

Vette(s):
#1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas

Joined: 11/8/2003
Posts: 19459
FE7/Gymkahana springs were 6 leaf. Regular suspensions had 9 leafs. 

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Joel Adams
C3VR Lifetime Member #56    
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             NCRS

"Money can't buy happiness -- but somehow it's more comforting to cry in a CORVETTE than in a Kia"
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9/7/16 9:59am - Reply: 'Re: rear leaf spring size'
F4Gary Gold Member
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Grapevine, TX - USA

Vette(s):
1972 LT-1 convertible with factory air.

Joined: 8/26/2006
Posts: 872
I thought it was 7 and 9.

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9/7/16 5:46pm - Reply: 'Re: rear leaf spring size'
LakeSkiGoose
Former Member
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Grosse Pointe Woods, MI - USA

Vette(s):
1978 Corvette Coupe Base

Joined: 7/21/2016
Posts: 9
thanks for the replies...  i got under there and measured again at the attachment with a good pair of calipers and its 2.5 and a 9 leaf....     
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9/7/16 9:16pm - Reply: 'Re: rear leaf spring size'
Adams' Apple Lifetime Member
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Duncanville, TX - USA

Vette(s):
#1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas

Joined: 11/8/2003
Posts: 19459
F4Gary said: I thought it was 7 and 9.


Depends on if you count the really short one at the top of the stack....some places do, some don't. Wink


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Joel Adams
C3VR Lifetime Member #56    
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(click for Texas-sized view!)
             NCRS

"Money can't buy happiness -- but somehow it's more comforting to cry in a CORVETTE than in a Kia"
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