| JA COBRA |
12-19-2009 09:13 PM |
Billboard tire pressure
Just Purchased billboard tires and am wondering about pressure? how much pressure should be in the tires to properly balance them,and afterwards how much pressure in them to drive with.The tires i drive with have 18 pounds in them now.I have seen alot of guys in this forum with billboards,hope someone can give me some advice.
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| xlr8or |
12-20-2009 02:17 AM |
I ran mine at about 26-28.
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| Silverback51 |
12-20-2009 03:00 AM |
I run 22 - 18.
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| RedBarchetta |
12-20-2009 07:48 AM |
I typically run 26 front and 24 rear for street driving. Dropping it 2-4 psi from those levels will really improve the grip.
-Dean
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| JA COBRA |
12-20-2009 08:17 AM |
Quote:
Originally Posted by RedBarchetta
(Post 1011061)
I typically run 26 front and 24 rear for street driving. Dropping it 2-4 psi from those levels will really improve the grip.
-Dean
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How about when you had them put on and balanced did they have to be filled to what it says on sidewall? and then you lowered them to 24 &26. |
| RedBarchetta |
12-20-2009 08:23 AM |
Don't recall, but I had them road-force balanced.
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| JA COBRA |
12-20-2009 08:26 AM |
Quote:
Originally Posted by RedBarchetta
(Post 1011069)
Don't recall, but I had them road-force balanced.
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No problem i know of a shop nearby that does the road force balancing.
Thanks for the response. |
| Kramer |
12-20-2009 08:52 AM |
I agree with the 26-28 psi measurement. I don't run mine much lower unless I am on the track but even then it is closer to 20-22. I am sure everyone is different but I don't know why you would ever run these tires under 20.
PS...Since you are up north as well, I thought I would tell you to check your pressure often as you store the Cobra. At least every two months(maybe more often), you will need to add some air to these tires.
Kramer
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| Silverback51 |
12-20-2009 09:07 AM |
I used to run higher pressures, but when it was on the dyno it was spinning the tires at 22 psi. We lowered them to 18 in the rear so it would hook up, and I just left them there for the street. I have never had an issue with them at 18 psi, so that is what I run now.
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| dcdoug |
12-20-2009 11:28 AM |
I find that 2-4 psi in either direction makes a pretty big difference for my car. It handles best on the street at 28psi front, 26 psi rear. The tires start to hunt a lot when it gets down below 24 psi.
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| 1985 CCX |
12-20-2009 12:18 PM |
A agree with Dean......... 26/24
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| 601HP |
12-20-2009 06:54 PM |
I've had them for 4k-5k miles. For street driving I reduced the hunting/darting some by airing up the front to 30 psi, rears at 28 psi. I could probably go a little higher, but the car feels good at these pressures.
David
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