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TRW spring

Forum: C3 Engines, Driveline and Handling

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TRW spring

Posted: 3/12/07 9:28pmMessage 1 of 17
w
whtlitnin
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VENTRESS, LA - USA
Joined: 10/8/2003
Posts: 87
Vette(s): 1971 Blue Roadster, sb400, cam, electronic ignition,10 disc CD changer, 2.5" chambered exhaust, 3.36 rear,tremec 5 speed from Classic Chevy, fiberglass rear spring and vintage air.
Wow, installed TRW 340# rear spring last week and can't believe the ride. I had the 7 leaf before and with Louisiana roads being ranked worst in the country it was pretty rough riding. I got the new spring for Christmas and just got time to install it. If I had known it made this much difference I would have done it years ago. So far have driven about 150 miles it's settled about one inch. Rank this mod right up there with the 5-speed.Big%20smile
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TRW spring

Posted: 3/13/07 5:18amMessage 2 of 17
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Adams' Apple
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Duncanville, TX - USA
Joined: 11/8/2003
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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
The 340# is not too harsh? Did you go with the gas shocks, also?

Joel Adams
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TRW spring

Posted: 3/13/07 5:59amMessage 3 of 17
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cthulhu
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Hot Springs, AR - USA
Joined: 4/24/2004
Posts: 3236
Vette(s): 69 Conv #'s match 427, TKO-600/.64, 3.36HD-Posi, HT, T/T, PS, PB, PW, SP, Leather, Comp XE264HR & Roller Rockers & Lifters, Air-Gap RPM intake, Holley St Av 770 VS, MSD 6AL+Dist+Blaster SS, K&N, Jet-Hot Hooker Side-Pipes, Steeroids, Al Rad, Spal Fans
[QUOTE=Whtlitnin]Wow, installed TRW 340# rear spring last week and can't believe the ride. I had the 7 leaf before and with Louisiana roads being ranked worst in the country it was pretty rough riding. I got the new spring for Christmas and just got time to install it. If I had known it made this much difference I would have done it years ago. So far have driven about 150 miles it's settled about one inch. Rank this mod right up there with the 5-speed.Big%20smile [/QUOTE]
 
wait a minute...  you reduced the harshness ??
 
what were you thinking?LOL
 
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TRW spring

Posted: 3/13/07 10:48amMessage 4 of 17
w
whtlitnin
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VENTRESS, LA - USA
Joined: 10/8/2003
Posts: 87
Vette(s): 1971 Blue Roadster, sb400, cam, electronic ignition,10 disc CD changer, 2.5" chambered exhaust, 3.36 rear,tremec 5 speed from Classic Chevy, fiberglass rear spring and vintage air.
Previous owner had installed delco shocks. I thought I might have to change to something newer (performance shock) but they are doing fine. Can actually feel car float instead of a jolt on overpasses.
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TRW spring

Posted: 3/13/07 6:38pmMessage 5 of 17
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lukesvette
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HOWELL, NJ - USA
Joined: 5/18/2004
Posts: 6812
Vette(s): 1979, Targa Blue (72 Color), Pace Car rear spoiler, L88 hood, Dark blue factory interior, 525HP 406, HD 700R4, 370 gears,Steeroids, composite rear spring, TT IIs wrapped in T/A Radials.
The spring definitely makes a difference. Nice ride by the way!!Thumbs%20Up

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TRW spring

Posted: 3/13/07 7:41pmMessage 6 of 17
w
whtlitnin
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VENTRESS, LA - USA
Joined: 10/8/2003
Posts: 87
Vette(s): 1971 Blue Roadster, sb400, cam, electronic ignition,10 disc CD changer, 2.5" chambered exhaust, 3.36 rear,tremec 5 speed from Classic Chevy, fiberglass rear spring and vintage air.
Thanks Paul, and Thanks to you and all who serve for what you've done.
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TRW spring

Posted: 3/14/07 9:22amMessage 7 of 17
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dwright
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Victor, NY - USA
Joined: 7/12/2004
Posts: 6842
Vette(s): 2004 Commemorative Edition Coupe, Auto w/HUD. 13K miles in 2015. Sold 1982 Red Coupe
Geez, if you can't feel the bumps, you might as well be driving a Caddy.LOL
 
Glad you like the new ride. No more rattlin teeth.Thumbs%20Up
 
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TRW spring

Posted: 3/14/07 8:10pmMessage 8 of 17
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suncountry
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Moses Lake, WA - USA
Joined: 4/16/2005
Posts: 2134
Vette(s): 1976 L48 4-spd, Mahogany Metalic exterior, Buckskin interior 350ci/350hp, 3rd owner, fiberglass spring, 255/50-16's Torq-Thrust II
I have the 315# TRW leaf and like the ride it givesThumbs%20Up
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TRW spring

Posted: 3/15/07 3:53pmMessage 9 of 17
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Lynne73
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Easton, PA - USA
Joined: 11/6/2003
Posts: 232
Vette(s): 1973 Coupe 350 Auto.T-Tops L48,65450 miles.
 I've been thinking about putting a glass spring in my 73. I replaced the  steel spring 3 years ago and put Grand Touring coils in the front. It handles great. I'm wondering how it will handle with a glass spring and what rate should i use?
 
  Dave
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TRW spring

Posted: 3/15/07 7:52pmMessage 10 of 17
w
whtlitnin
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VENTRESS, LA - USA
Joined: 10/8/2003
Posts: 87
Vette(s): 1971 Blue Roadster, sb400, cam, electronic ignition,10 disc CD changer, 2.5" chambered exhaust, 3.36 rear,tremec 5 speed from Classic Chevy, fiberglass rear spring and vintage air.
My hesitation in going to the glass spring was not knowing witch one to get. I read as many posts as I could find here and google searches. Decided 340# was in the middle. It's so much better than the 7 spring. Car still stays flat when turning side to side.
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