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Topic: Wider Wheels in the Rear

in Forum: C3 Engines, Driveline and Handling


Wider Wheels in the Rear

Posted: 11/15/07 8:25pm Message 1 of 7
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Leavenworth, KS - USA
Joined: 1/24/2007
Posts: 426
Vette(s): MM Red 1971 T-top,LS5,4-speed, black leather C5 seats, Hooker sidepipes. Previous: 64 Coupe, 65 Roadster L76 / N14
I've been wondering what I could do lately to push my post count up some (almost out of the Top 5-Oh). Wink
 
Seriously . . . I want to go with wider Rally wheels in the rear of my 71 coupe (like, maybe, 15X10).  I already have fender flares and they look a bit lonely with stock 15X8 wheels.
 
Has anyone gone to a 10" wheel without going to OFFSET TRAILING ARMS?  Is it just a matter of offset or backspacing in the new wheel? 
 
What is the widest tire I can manage in the rear?  I understand I would have to relocate the E-brake cable for starters.  Anything else to mind??
 
I'll keep doing more research into old threads and other forums, but would appreciate any experience you guys have.
 
FYI, I'm running stock Rally wheels with BFG T/As. Thanks ahead of time.



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Wider Wheels in the Rear

Posted: 11/15/07 8:48pm Message 2 of 7
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Duncanville, TX - USA
Joined: 11/8/2003
Posts: 20225
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
You can put them as wide as you want...they'll just stick out a little!
A 10" rim would be pushin it, without rubbing on the fenders...guess it depends on how much wider the flares are than stock.
On the '72 drag car I had, a 9" rim, with a 12" tire was all we could get under it, and they did stick out just a tad() past the fender.


Joel Adams
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Wider Wheels in the Rear

Posted: 11/15/07 9:20pm Message 3 of 7
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Burke, VT - USA
Joined: 1/23/2002
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Vette(s):
SOLD - "The Toy" - '70 Convertible
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"BLUBYU" - '04 Coupe
MidAmerica Motorworks carried 15x10 rally wheels a few years back.  Haven't seen them in their catalog in quite awhile though.  There is probably a classic wheel outfit out there somewhere that still carries them.


Jim Olson 

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Wider Wheels in the Rear

Posted: 11/15/07 9:29pm Message 4 of 7
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Wichita, KS - USA
Joined: 11/10/2003
Posts: 6859
Vette(s): 2005 Daytona Sunset Orange Metallic Coupe --------------------- Sold 1974 T-top, 4 spd to BillKS
Just did a quick Google for 15X10 rally wheels and came up with quite a few hits.  Here's one to check out as an example:
 
 
Larry



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Wider Wheels in the Rear

Posted: 11/15/07 11:29pm Message 5 of 7
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Joined: 9/8/2005
Posts: 241
Vette(s): 1980 with a Banks Twin Turbo 1969 Convert Big Block 1996 Grand Sport Convert
 I have run 9.5 Wheels under my 80' with no fender Mods No Flares and no Trailing Arm Mods and with out moveing the Parking Brake cable. Richard...


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Wider Wheels in the Rear

Posted: 11/16/07 3:04pm Message 6 of 7
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Flanders, NJ - USA
Joined: 1/27/2004
Posts: 2556
Vette(s): 1982 Black, ZZ4, Hooker Side Pipes, 3.55 Rear, Rebuilt & upgraded 700R4, All new suspension, brakes, & new Charcoal interior.
Hey Mike, just put more air in them...Rolling%20On%20The%20Floor%20LaughingRolling%20On%20The%20Floor%20Laughing
By the way are you going to Hot Springs? You got no excuses on this one!
Dave



 

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Wider Wheels in the Rear

Posted: 11/16/07 8:35pm Message 7 of 7
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Manteca, CA - USA
Joined: 11/20/2005
Posts: 3623
Vette(s): 1978,two tone,Metalic Rootbeer & gold 1975 L48 4 speed
 Hi Mike, Backspacing is the critical issue (apprx. 4") unless you go with the offset trailing arms, but I don't know how far you can go in the other extreme before trouble with the other side Confused.


in Forum: C3 Engines, Driveline and Handling


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