Custom wheel size?

Tiny
KURTDEVER
  • MEMBER
  • 1982 CHEVROLET CORVETTE
  • 0.5L
  • V8
  • 2WD
  • AUTOMATIC
  • 140,000 MILES
Need help to determine the offset and back spacing for 20” torque thrust custom wheels to have maximum lip.
Sunday, October 30th, 2022 AT 3:06 AM

4 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,747 POSTS
Hi,

I'm not familiar with the wheel. Do you know what the original wheel offset was? They varied between + 1mm to +3mm. What are the wheels you are looking at?

Also, and this has nothing to do with this site, but check this out and let me know if you find it helpful.

https://www.wheel-size.com/size/chevrolet/corvette/1982/

Let me know.

Take care,

Joe

Note: I wouldn't recommend going much past the original offset on this vehicle.
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Sunday, October 30th, 2022 AT 9:09 PM
Tiny
KURTDEVER
  • MEMBER
  • 3 POSTS
The factory wheels were 15” diameter x 8” with -13mm offset and 3.5” back spacing. I’m not sure what the current wheels are from previous owner. I believe they are hitting the E brake. Because it was dissconnected. I am looking to go 18” or 19” in the rears and 18” in the front. I want the same deep lip as the car you have in the videos.
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Monday, October 31st, 2022 AT 3:34 AM
Tiny
KURTDEVER
  • MEMBER
  • 3 POSTS
Here is a pic of the car.
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Monday, October 31st, 2022 AT 3:35 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,747 POSTS
Hi,

I understand. Were you able to look through the link I attached? It provides options for the vehicle. Also, this should have rear drum brakes. Do you mean the wheel is hitting the parking brake cable?

Joe
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Monday, October 31st, 2022 AT 5:38 PM

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