Rear fenders hitting tires, want to modify
01-23-2004, 10:50 AM
#1
Rear fenders hitting tires, want to modify
My tires stick out past my fenders and on hard cornering the rear fenders hit the tires. I want to modify the rear so it doesn't happen any more.
Here is a picture of the current set up
OPTION 1;
420 # rear spring but will have stiff ride
Option 2;
392 # rear spring and modify how far the rear body can go down
Please discuss
[Modified by Tominator, 9:51 AM 1/23/2004]
Here is a picture of the current set up
OPTION 1;
420 # rear spring but will have stiff ride
Option 2;
392 # rear spring and modify how far the rear body can go down
Please discuss
[Modified by Tominator, 9:51 AM 1/23/2004]
01-23-2004, 10:54 AM
#2
Race Director
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Re: Rear fenders hitting tires, want to modify (Tominator)
My tires stick out past my fenders and on hard cornering the rear fenders hit the tires. I want to modify the rear so it doesn't happen any more.
Here is a picture of the current set up
OPTION 1;
420 # rear spring but will have stiff ride
Option 2;
392 # rear spring and modify how far the rear body can go down
Please discuss
Here is a picture of the current set up
OPTION 1;
420 # rear spring but will have stiff ride
Option 2;
392 # rear spring and modify how far the rear body can go down
Please discuss
I need to find a better way to keep the rear end UP off the tires.
Any help would be muchly appreciated!!!
01-23-2004, 07:11 PM
#4
Melting Slicks
Re: Rear fenders hitting tires, want to modify (NHvette)
Off-set trailing arms?
I'd like to know what the optimum wheel size, tire size, backspace is required to have the tire stay flush with the rear quarter. What is the best set-up to achieve the widest tire in the back?
I'd like to know what the optimum wheel size, tire size, backspace is required to have the tire stay flush with the rear quarter. What is the best set-up to achieve the widest tire in the back?
01-23-2004, 07:31 PM
#5
Team Owner
Re: Rear fenders hitting tires, want to modify (Tominator)
Why don't you adjust your rear ride height.. That can be done in as little as 10 minutes...
01-23-2004, 07:35 PM
#6
Pro
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Re: Rear fenders hitting tires, want to modify (GrandSportC3)
Why don't you adjust your rear ride height.. That can be done in as little as 10 minutes...
I was going to say that your rear end looked too low to me to begin with....
01-23-2004, 07:35 PM
#7
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Re: Rear fenders hitting tires, want to modify (GrandSportC3)
change out the bolts holding the leaf spring... its pretty simple just get shorter ones and it lifts the back up half inch socket should do it if i remember correctly-Bob
01-23-2004, 07:38 PM
#8
Melting Slicks
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Re: Rear fenders hitting tires, want to modify (Tominator)
I want wide tires and wheels on the back of my 69 too. I don't want to drive a car that looks like an off road vehicle. I don't want to use flares either. With offset trailing arms I am told that I can use a 9.5" or 10" wide wheel with zero offset (mounting face of wheel is exactly in the middle of the wheel width) with 40 series tires in the 17 inch size.
Whether you run wide tires or skinny tires, you will not have any greater rubber contact on the ground if running the same tire pressure, only the shape of the contact patch will change. What you will get with 17" tires is the option of much stickier tire compounds than anything available for the street in the 15" sizes. It is the compound that gives you the traction. A wide tire is better for cornering, a skinny one is better for straight-line.
Don't think a wide tire is the secret for more traction. My 350rwhp ZO6 easily smokes the 295x35x18" steam roller tires mounted on the back in 1st and 2nd gear. But you won't keep up with my 1.10 g's I regularly pull on the G Tech as I cruise the on ramps. For straight line, I would drop the psi from 34 to 22 to get more bite. This would make the car very squirmy on a road course.
Chuck
Whether you run wide tires or skinny tires, you will not have any greater rubber contact on the ground if running the same tire pressure, only the shape of the contact patch will change. What you will get with 17" tires is the option of much stickier tire compounds than anything available for the street in the 15" sizes. It is the compound that gives you the traction. A wide tire is better for cornering, a skinny one is better for straight-line.
Don't think a wide tire is the secret for more traction. My 350rwhp ZO6 easily smokes the 295x35x18" steam roller tires mounted on the back in 1st and 2nd gear. But you won't keep up with my 1.10 g's I regularly pull on the G Tech as I cruise the on ramps. For straight line, I would drop the psi from 34 to 22 to get more bite. This would make the car very squirmy on a road course.
Chuck
01-23-2004, 08:53 PM
#9
Re: Rear fenders hitting tires, want to modify (Chuck Harmon)
Chuck nailed it. I'm building my '69 almost exclusively for Autocross. 335/35-17 on 12" Rims in the rear and 315/30-18 on 11" rims front.
Disclaimer - I'm completely replacing the suspension and flaring on my car to make this possible.
:iagree:
Disclaimer - I'm completely replacing the suspension and flaring on my car to make this possible.
:iagree:
01-24-2004, 10:53 PM
#10
Re: Rear fenders hitting tires, want to modify (GrandSportC3)
Why don't you adjust your rear ride height.. That can be done in as little as 10 minutes...
