Wheel Question - Forums - Official C3 Vette Registry

SPONSOR AD

Support our Vendors! | Advertise Here

Topic: Wheel Question

in Forum: C3 General Discussion

Already a Member?
Login
Not yet a Member?
Register for Free!

Back to top of thread

Re: Wheel Question (38/48)
6/13/12 8:00pm

kwoody
Former Member
Send Private Message

Tucson, AZ - USA

Vette(s):
1982 Black/Tan Leather Build Code C09E Bronze TTop CrossFire Fuel Injection L83 85 Fuel Pump Auto Axle 2.72 Firestone Firehawk Indy500

Joined: 7/11/2010
Posts: 415

Hi Chip,

I like what you've done with the wheels. It did take me a while to get my head
around the new look though. I also like the highlight on the gills and the side trim.

Lookin' Good!

Keith

______________

Nobody ever waves when I'm driving the Explorer.
K Woody

Quote

Re: Wheel Question (39/48)
6/14/12 7:37am

crossfire1982
Former Member
Send Private Message

Cramerton, NC - USA

Vette(s):
black 1982 coupe slate gray interior, 350 crossfire, 1985 fuel pump, Steeroids R&P conversion

Joined: 8/22/2006
Posts: 1094

Thanks Keith

Quote

Re: Wheel Question (40/48)
6/28/12 12:57pm

73shark
Limited Member
Send Private Message

Overland Park, KS - USA

Vette(s):
1973 Orange Metallic Coupe (orig owner), L82, 4 spd (WR), PS, (A/C & PW (I installed from wrecked 73)), leather, AM/FM Stereo, ran with '65 FI unit earlier & will again some day.

Joined: 7/9/2003
Posts: 866

JohnRR said: Hi All,

I'm new to this forum and have taken an interest in this thread. The discussion about backspacing and negative offset doesn't seem correct to me. If an 8" wheel has a 4" BS then it has a Zero offset. So if an 8" wheel has a 3.75 BS then it would have a negative 0.25 offset. That would be -6.35mm offset not -19mm. Am I missing something here?

Also, if the wheel has a 3.75 BS, a 1/4" spacer won't fix this. It would make the BS 3.5".

I'm trying to understand all this wheel terminology because I'm installing a set of C5 wheels on my '73.

Thanks everybody,

John

Came up w/ the same conclusion when I did the math. Suspect the -19 mm is an error since the rest is in inches. Handshake

Beware of spacers as they increase the load on wheel bearings and the studs. Shocked

Nice looking wheels. I believe they're what we called Cragar mags back in the 60s. Thumbs Up

|UPDATED|6/28/2012 9:57:19 AM (AZT)|/UPDATED|

______________

1973 L-82 4 spd

Quote

Re: Wheel Question (41/48)
6/29/12 12:05pm

JohnRR
Former Member
Send Private Message

Joined: 2/22/2011
Posts: 110

Beware of spacers as they increase the load on wheel bearings and the studs

I don't believe this is true. I'm keeping the centerline of the wheel the same as stock or about 1/8" inboard. So I'm not poking the wheels out any further than stock.

John

______________
1973 BB 4-Speed Coupe Project Car

2009 Z06 Mostly Stock

Quote

Re: Wheel Question (42/48)
6/29/12 11:15pm

rod7515

Lifetime Member
Send Private Message

Red Lion, PA - USA

Vette(s):
1974 White 350 Corvette, TH400 Automatic 1972 Tangerine /Go Mango Convertible 383 Stroker, 2004r Automatic

Joined: 10/27/2006
Posts: 1182

Ive been running 1/2" spacers on the cragers I have on the 74 for about 2 years now. I have had no issues to this point. In theory I would understand the reasoning of more load on the bearing because you have moved the bolting point out away from the bearing itself. However I dont think that will make a lot of increase load that it would cause short term issues. Maybe over a 20 year period but I'll find that out down the road. The trade off to have cragers is worth it! lol.

Chip the wheels look fantastic! The paint looks great! Hope to meet you at some point.
Best of luck,
Rodney Hake

______________

Quote

Re: Wheel Question (43/48)
6/30/12 10:41am

Thanks Rodney, I appreciate the comment. This thread sure generated more interest and replies than I expected.

Quote

Re: Wheel Question (44/48)
7/1/12 10:49pm

JohnRR said: Beware of spacers as they increase the load on wheel bearings and the studs

I don't believe this is true. I'm keeping the centerline of the wheel the same as stock or about 1/8" inboard. So I'm not poking the wheels out any further than stock.

John

Here's a good discussion.

http://forums.corvetteforum.com/c4-tech-performance/2676505-wheel-spacers-good-or-bad-idea.html

Here's some hubcentric adapters even tho they call them spacers.

http://www.tunersdepot.com/Jsp/content/H-R--DRM-Series-Trak--Wheel-Spacer-45mm--Pair----90-96-Chevy-Corvette-37917.html

______________

1973 L-82 4 spd

Quote

Re: Wheel Question (45/48)
7/2/12 4:52am

manget1

Lifetime Member
Send Private Message

Indianapolis, IN - USA

Vette(s):
Silver 1974 Convertible - L82 4 speed Low miles (was only 8,900 when I bought it in March 2006) - Now 54K miles. Original owner bought it as an investment for son's college expenses. 2008 Jetstream Blue Convertible

Joined: 9/3/2006
Posts: 2418

Really like the look Chip. Well done

______________

I wanted a Corvette my whole life, but I never dreamed of all the wonderful people I would meet because of it!

��

target=_blank>Click for another pic!�� And yet another!

Quote

Re: Wheel Question (46/48)
7/3/12 8:09pm

JohnRR
Former Member
Send Private Message

Joined: 2/22/2011
Posts: 110

Hey Shark,

Thanks for the link. I read the thread and it mostly discusses the differences between spacers and adapters.

When I was at Corvettes at Carlisle last year, one of the vendors gave me a hard time about using wheel adapters to mate C5 wheels to my '73 spindles. I believe that when the wheel mounting face is kept at the centerline of the wheel, the load on the spindle bearings is the same. The stock wheel is 8" wide with a 4" backspace. The 8.5" wide C5 wheels, with a 2.75" adapter has a backspace of 4.25". I think they are both the same as far as the load on the wheel bearing is concerned.

John

______________
1973 BB 4-Speed Coupe Project Car

2009 Z06 Mostly Stock

Quote

Re: Wheel Question (47/48)
7/3/12 8:53pm

Thanks Marshall. I had looked at these wheels before but after seeing Dick's vette at the Charleston gathering I decided to bite the bullet and try them.

Quote

Re: Wheel Question (48/48)
7/4/12 7:46pm

Jaws79

Lifetime Member
Send Private Message

Sykesville, MD - USA

Vette(s):
1979 Corvette Coupe Corvette Light Blue Midnight Blue interior Mirrored Glass T-tops

Joined: 4/27/2008
Posts: 4238

Hey, Chip! You gotta change your signature pic now with the new wheels!

Barry

______________
"Down on the Boardwalk...

(Click image to see a larger version}

Lifetime Member #181

Quote

Our Sponsors help support C3VR