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  #1  
Old Nov 18th, 09, 04:05 PM
69bigblok 69bigblok is offline
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Chad
 
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Default Prostreet Guys - What air pressure should I run for cruising?

Need some help and opinions on what tire pressure I need to run in both my front and back tires on my prostreet 69 camaro.

My back tires are Hoosier Quicktime 31x18.5x15

My front tires are Mickey Thompson 26x7.5x15

I have a big block with iron heads. No AC. 4 link rear with coilovers, stock front a-arms with cut coils. Battery is in the trunk with a fuel cell. Full interior with a roll cage. All steel body including hood. That should cover most of the heavy items.

Other than max pressures on the side of the tires I really have no idea what pressure to run.

My car is used for cruising at a decent clip on secondary roads on the way to work mostly.

What tire pressure you all recommend for best handling/performance??

Thanks!
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  #2  
Old Nov 18th, 09, 04:11 PM
Pro-Street69Camaro468 Pro-Street69Camaro468 is offline
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Dave C
 
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Default Re: Prostreet Guys - What air pressure should I run for cruising?

I run about 2/3 of the pressure required this is the rear.Front I run the recomended.
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  #3  
Old Nov 18th, 09, 04:21 PM
69bigblok 69bigblok is offline
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Chad
 
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Default Re: Prostreet Guys - What air pressure should I run for cruising?

Thanks Dave.

I guess that is where I'm not sure of what is recommended because there is no door sticker/rec pressure based on the car wt, etc like you'd normally see on the door jamb sticker for the daily beater. All I have is the max pressure on the side of the tire to go off of. For example the rears say 30psi max and I'm running 20 right now so that sounds in line with what you said I think. Fronts say 60psi max and I'm running 45psi. On my other typical vehicles that seems to be the case of the recommended amount being a fair amout less than the max.

I guess you might be saying the tire manufacturer would have a recommended amount? I could check their websites I guess then.

I was thinking since the prostreet set up might be a bit different that you guys may have found the pressure you like best to run in fat tires/skinny tires.
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  #4  
Old Nov 18th, 09, 04:34 PM
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prostreet69camaro prostreet69camaro is offline
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Default Re: Prostreet Guys - What air pressure should I run for cruising?

I have pretty much the same tires as you except the back are bigger and quicktime pro. I run 20 in the back and 35 to 40 in the front.

I have had every MT tire on the back and have always ran 20 in the back.
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  #5  
Old Nov 18th, 09, 04:39 PM
1969ProStreetCamaro 1969ProStreetCamaro is offline
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Default Re: Prostreet Guys - What air pressure should I run for cruising?

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Originally Posted by 69bigblok View Post
Thanks Dave.

I guess that is where I'm not sure of what is recommended because there is no door sticker/rec pressure based on the car wt, etc like you'd normally see on the door jamb sticker for the daily beater. All I have is the max pressure on the side of the tire to go off of. For example the rears say 30psi max and I'm running 20 right now so that sounds in line with what you said I think. Fronts say 60psi max and I'm running 45psi. On my other typical vehicles that seems to be the case of the recommended amount being a fair amout less than the max.

I guess you might be saying the tire manufacturer would have a recommended amount? I could check their websites I guess then.

I was thinking since the prostreet set up might be a bit different that you guys may have found the pressure you like best to run in fat tires/skinny tires.
Chad,
I run the maximum pressure in both the front and rear tires. I tried to run less than the maximum in the rear tires and that felt like I was driving on ice!!!!!....not a very good feeling .

David F.
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  #6  
Old Nov 19th, 09, 04:28 AM
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SPARKY69 SPARKY69 is offline
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Default Re: Prostreet Guys - What air pressure should I run for cruising?

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Originally Posted by 1969ProStreetCamaro View Post
Chad,
I run the maximum pressure in both the front and rear tires. I tried to run less than the maximum in the rear tires and that felt like I was driving on ice!!!!!....not a very good feeling .

David F.
x2..if not done this way, its a pucker up feeling!!
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  #7  
Old Nov 19th, 09, 04:30 AM
1969ProStreetCamaro 1969ProStreetCamaro is offline
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Default Re: Prostreet Guys - What air pressure should I run for cruising?

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Originally Posted by SPARKY69 View Post
x2..if not done this way, its a pucker up feeling!!


David F.
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  #8  
Old Nov 19th, 09, 06:04 AM
69bigblok 69bigblok is offline
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Chad
 
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Default Re: Prostreet Guys - What air pressure should I run for cruising?

Thanks guys that helps. I'll try running the max in the back and see how she feels. I should really be able to light up the tires if they are aired up tight!
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  #9  
Old Nov 20th, 09, 06:54 AM
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PROZ11 PROZ11 is offline
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Default Re: Prostreet Guys - What air pressure should I run for cruising?

I run 35 in the front and 25 in the rears. The ride is great. I've run it with 20 in the rears. It wasn't bad at all. You're probably going to have to try a few different pressures in the rears and see what feels best.
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  #10  
Old Nov 20th, 09, 07:17 AM
69bigblok 69bigblok is offline
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Chad
 
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Default Re: Prostreet Guys - What air pressure should I run for cruising?

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Originally Posted by PROZ11 View Post
I run 35 in the front and 25 in the rears. The ride is great. I've run it with 20 in the rears. It wasn't bad at all. You're probably going to have to try a few different pressures in the rears and see what feels best.
Great thanks for the feedback. I was really running way too little. I ran it up near where you are yesterday and it really helped a lot. Sure is easier to spin those back tires though.
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  #11  
Old Nov 20th, 09, 08:29 AM
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Default Re: Prostreet Guys - What air pressure should I run for cruising?

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Originally Posted by 69bigblok View Post
Great thanks for the feedback. I was really running way too little. I ran it up near where you are yesterday and it really helped a lot. Sure is easier to spin those back tires though.
You aint suppose to spin the back tires, That gets you no where. Put some MT ET streets or Hoosier Quick Time PRO tires on it. Then hit the cement and they will grab. Just dont get caught in the rain with them. No fun at all. Might as well park it and call a tow truck.
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  #12  
Old Nov 20th, 09, 11:33 AM
69bigblok 69bigblok is offline
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Chad
 
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Default Re: Prostreet Guys - What air pressure should I run for cruising?

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Originally Posted by prostreet69camaro View Post
You aint suppose to spin the back tires, That gets you no where. Put some MT ET streets or Hoosier Quick Time PRO tires on it. Then hit the cement and they will grab. Just dont get caught in the rain with them. No fun at all. Might as well park it and call a tow truck.
Ha ha. I'm TRYING to melt the ones I do have down to the rim so I can show my wife that I NEED new tires in order to be a safe, courteous driver.
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