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Topic: c4 suspension on C3

in Forum: C3 Handling Components

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c4 suspension on C3 (1/18)
11/5/07 2:44am

Chevyjunkie93
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Cleveland, GA - USA

Vette(s):
77 xtreme project,80 project,and a 74 L48/auto white with blue interior!

Joined: 11/4/2007
Posts: 152

I've heard it could be done... but haven't seen it. Do any of ya'll know anything about it?Thx Ya'll

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c4 suspension on C3 (2/18)
11/5/07 4:35am

tuxblacray

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Greensburg, IN - USA

Vette(s):
Previous: 1984 Silver / Charcoal Coupe, 1988 Maroon Coupe / 1989 Artic White Coupe / 2001 Speedway White Roadster / Present:1976 Stingray Black / Black, Auto, 350 slightly modified (355 hp) Luxor Wires Redline Tires. / 1989 Roadster Bright Red...

Joined: 9/24/2003
Posts: 5188

INMO You would better of tryin ta put the C3 body on the C4 frame than going thru the pain of tryin ta swap out the brake and shock system of the C4. So much electronic gadgetry and so many brake lines to fool with it would just seem easier to me. Study the 82 model C3 suspension and make upgrades accordingly to what you want and work it from that angle. I think in the long run it will be easier, cheaper, and you will be equally as satisfied.

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c4 suspension on C3 (3/18)
11/5/07 6:14am

Adams' Apple

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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: 20203

You can have your frame modified to use the C4 components, or you can also buy a complete, pre-modified frame. There are several places that do this now. Paul Newman Creations is one. It ain't cheap, tho...

It's not something I would attempt to do myself, even tho I've done some weird stuff in the past...

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c4 suspension on C3 (4/18)
11/5/07 8:06am

71Shark
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Edmond, OK - USA

Vette(s):
1971 Brands Hatch Green L48 Coupe Automatic Driver - restored 1995

Joined: 7/13/2006
Posts: 400

A guy had one at the Eureka Springs show with at least the C4 front suspension. It was rough looking though. It looks like he did it himself with a hacksaw and baling wire.

c4 suspension on C3 (5/18)
11/5/07 10:59am

Adams' Apple

[QUOTE=71Shark]

A guy had one at the Eureka Springs show with at least the C4 front suspension. It was rough looking though. It looks like he did it himself with a hacksaw and baling wire.

[/QUOTE]

Bubba? Shucks, Bubba ain't gots no hacky-saw...we-uns uses a smokin wrench!!!

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c4 suspension on C3 (6/18)
11/5/07 2:49pm

Chevyjunkie93
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Cleveland, GA - USA

Vette(s):
77 xtreme project,80 project,and a 74 L48/auto white with blue interior!

Joined: 11/4/2007
Posts: 152

Well considering the the 77 is getting a supercharged 6.0 LS2 with a tremec T56. I was figuring it might as well have the susp. to go with it. I said it was an Xtreme project. Big%20smile

c4 suspension on C3 (7/18)
11/5/07 11:10pm

Gale Banks 80

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1980 with a Banks Twin Turbo 1969 Convert Big Block 1996 Grand Sport Convert

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As mentioned above there are several People who do the Conversion. If You go with one of the Aftermarket Frames there is a Possiblilty that Your State may Re Classify Your Car as a Kit Car. If You go with one of the ones who modifies a Stock Frame then it won't be a Problem. Of coarse it probably won't become a Problem anyway unless Cruise the DMV and point it out to them. That being said I would think the Aftermarket Tube Frames would be Stiffer and therefore Handle better. The C4 Rear is Narrower than the C5 so it fits better without using Fender Flares. Unless You want Flares. The Front end the C4 A Arms are Forged and the C5's are Cast. That being said most people feel that newer is better. Most of these Vette Rods have been built on C1 and C2 Bodys but the C3 is allmost the same thing as a C2. Richard....

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c4 suspension on C3 (8/18)
11/6/07 4:17am

StreetShark
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Fayetteville, NC - USA

Vette(s):
1968 Corvette Convertable, 4 spd, 350 SB, Daily Driver

Joined: 2/13/2005
Posts: 244

Check out this link, they specialize in new frames made to use C4 suspension components.

http://www.streetshopinc.com/c4shark.html

Also, http://www.sriiimotorsports.com/ , they build tube frames that accept C4/C5 suspension components that your C3 body will bolt right on to. The frame is expensive 10K I think was the price with C4 parts.

StreetShark2007-11-06 04:19:57

c4 suspension on C3 (9/18)
11/6/07 8:24pm

Chevyjunkie93
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Cleveland, GA - USA

Vette(s):
77 xtreme project,80 project,and a 74 L48/auto white with blue interior!

Joined: 11/4/2007
Posts: 152

Thank ya'll for the info. As for the Kit car reclassify, We don't even have emmissions here and I can do pretty much anything as long as i don't remove the Vin from the orig location. I love GA!LOL! thx again for ya'lls help.

c4 suspension on C3 (10/18)
11/7/07 8:30pm

Chevyjunkie93
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Cleveland, GA - USA

Vette(s):
77 xtreme project,80 project,and a 74 L48/auto white with blue interior!

Joined: 11/4/2007
Posts: 152

I talked to Tray waldon @ street shop inc today. They're makeing me a frame for my 77. I just have to take them my GS susp and they are modifying the rear for free and adding my front to the frame so i'll have a full rolling C3 chassis with full C4 susp and brakes. Thx for ya'lls help.

c4 suspension on C3 (11/18)
11/7/07 10:03pm

Gale Banks 80

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1980 with a Banks Twin Turbo 1969 Convert Big Block 1996 Grand Sport Convert

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By Gs Suspension I assume that to be a Grand Sport. If So how did You come by it and wich Vin Number car did it come from. I happen to be a Grand Sport Owner. Richard...

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c4 suspension on C3 (12/18)
11/8/07 1:45am

Chevyjunkie93
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Cleveland, GA - USA

Vette(s):
77 xtreme project,80 project,and a 74 L48/auto white with blue interior!

Joined: 11/4/2007
Posts: 152

I'm not sure of the Vin# I bought the rolling chassis several years back from Billy Gramhams camaro and firebird salvage in AL. I was going to modify it and put my 60 impala on the frame, But since my dad gave me the impala for grad. He wouldn't let me cut it up. So its on to a new life under my 77. I got the papers for it somewhere i'll try to find the vin for you if you're interested?

c4 suspension on C3 (13/18)
11/8/07 4:01am

tuxblacray

Wow Jamie sure sounds like you have it goin on with this car's set up. I didn't realize before you had all of the xtra's. That makes a difference. Sure should be a smooth / quick ride when it's done. Pics along the way would be kewl!Tuxblacray2007-11-08 04:02:03

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c4 suspension on C3 (14/18)
11/8/07 4:19am

Chevyjunkie93
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Cleveland, GA - USA

Vette(s):
77 xtreme project,80 project,and a 74 L48/auto white with blue interior!

Joined: 11/4/2007
Posts: 152

I hope to get pix on Sat. when I get home. I've been planning building a C3 for awhile. I've been collecting parts for b4 I even found the car.I know I don't know much about them,But man I love their lines. I'll keep ya'll posted on the progress.

c4 suspension on C3 (15/18)
11/8/07 7:21am

sundevil74
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Leavenworth, KS - USA

Vette(s):
MM Red 1971 T-top,LS5,4-speed, black leather C5 seats, Hooker sidepipes. Previous: 64 Coupe, 65 Roadster L76 / N14

Joined: 1/24/2007
Posts: 426

FWIW, Eckler's sells a "Max Performance" suspension kit. I thought the catalog stated it was to upgrade your C3's performance to that of a C4 (or something like that).

Kit costs $2400 and includes front and rear monosprings with all other suspension stuff. Link below.

http://www.ecklers.com/product.asp?pf_id=40042&dept_id=1795

Anyone done this?

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c4 suspension on C3 (16/18)
11/8/07 7:11pm

StreetShark
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Fayetteville, NC - USA

Vette(s):
1968 Corvette Convertable, 4 spd, 350 SB, Daily Driver

Joined: 2/13/2005
Posts: 244

Well Chevy Junkie 93,

I would love to do what you are doing. The lines and style of our "vette" is the sexiest car ever built. I drive mine almost every day. But with the right setup, this could be an economical HOTROD. drop in a modern engine with the fuel injection, put in a six speed or an overdrive auto and a modern suspension brake combo and WOW! 25 MPG, handling on rails, 0-60 in 4 seconds, stop on a dime with change to spare, and the best looking car ever made. At least in my dreams that is what she will do.

GOOD LUCK! keep us posted.

c4 suspension on C3 (17/18)
11/8/07 10:56pm

Gale Banks 80

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1980 with a Banks Twin Turbo 1969 Convert Big Block 1996 Grand Sport Convert

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So how much of the GS do You have? Keep in mind that the GS was a Production Car and that in 1996 all 6 Speed Cars had the LT4 Engine. Also that all Auto cars had the Lt1. So Unless You have some evedence that it was a GS it might not be. Having the GS Wheels would give it away. It would have to have the LT4 Engine as well but that would only let Us know it was a 6 Speed Car and not a GS. I assume that the Engine has a Serial Number on it to match the Frame, the GS's had a special Number, and the last Four Digits indicate the Build Sequence between 0 and 1000 Cars that were produced.

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c4 suspension on C3 (18/18)
11/8/07 11:26pm

Chevyjunkie93
Former Member
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Cleveland, GA - USA

Vette(s):
77 xtreme project,80 project,and a 74 L48/auto white with blue interior!

Joined: 11/4/2007
Posts: 152

It was a true GS. I was there when they tore it down. All I got was the rollin chassis with the wheels. I hope this is my last night here. I get ya the info on the car soon as I get home. I wanted the whole car but back then my budget wouldn't allow it. Cry

Oh well Life went on. But I got a line on a wrecked LT4 CE coming up for auction soon. Hopefully I'll be able to buy that car.

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