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09-29-2022, 01:49 AM
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#1 |
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Senior Member
Join Date: Oct 2006
Posts: 628
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Re: Tire growth
It’s been 15yr since I raced in super street and super gas, but I thought my ladder bar car ran down the track with a little more separation in the wheel wells than it had at rest. I didn’t worry about tire growth because I had plenty of room. Does a Cal-Trac rear lift the back of the car any? I really don’t want to cut the wheel wells on a fastback.
This is what I currently have with no motor in the car.
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Mike 7570 A/SA Last edited by Mike Gray; 09-29-2022 at 01:53 AM. |
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10-02-2022, 01:59 AM
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#2 |
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VIP Member
Join Date: Jun 2009
Location: Boulder City, Nevada 89005
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Re: Tire growth
My Caltracs lift the rear end very little if at all.
With a Radial you would be probably OK. but as i recall the DO tires is a bias and I think you will have an issue!
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John Irving 741 Stock 741 Super Stock |
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10-02-2022, 06:40 AM
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#3 |
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Location: NJ
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Re: Tire growth
On a launch the tire will bunch up in the front.
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10-02-2022, 11:19 AM
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#4 |
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Senior Member
Join Date: Oct 2006
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Re: Tire growth
Thanks guys! I think I’m safe on the launch, I checked a bunch of mustang photos by 4284spd and all the Cal-Trac cars separate on the launch. Richie Paulies C/SA looks like it is at least 3” or more. (It may be a result of the mustang rear end mounting. They look a lot like my ladder bar car did)
So now my concern is growth at the top end, I guess I’ll try some test runs when the car is finished and sneak up on the mph keeping an eye out for rubbing. I may have to order some new radials.
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Mike 7570 A/SA |
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10-03-2022, 03:10 PM
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#5 |
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Join Date: Sep 2016
Location: Monroe Twsp, NJ
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Re: Tire growth
Not sure if this helps, but i called hoosier on the 18200 that i'll be running and they told me 1"-1.5" max of growth at roughly 130
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10-03-2022, 03:53 PM
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#6 |
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Senior Member
Join Date: Sep 2007
Location: Henderson, NV
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Re: Tire growth
On my car at 120 mph, growth seems like 1+ inch in radius.
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10-03-2022, 05:17 PM
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#7 |
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Senior Member
Join Date: Oct 2006
Posts: 628
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Re: Tire growth
Thanks for the added info, sounds close but might make it.
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Mike 7570 A/SA |
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