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caliper grinding? longer studs?

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Old Feb 27, 2007 | 12:13 PM
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Default caliper grinding? longer studs?

ok i just bought some used "weld prostars xp". they are in exellent condition. the fronts are 15x5.5 and the rear are 15x10. actually he said the rear are 15x10 but they look like 15x11.5. either way is fine. i have to buy new tires for the rear. there are et streets on there now. but they have cord showing. the fronts are fine. oh and the backspacing is 5.5. my car is an 2002 ws6.

anyway my question is can somebody tell me if i need to grind my calipers? or get longer studs? and if so could somebody tell me where to get longer studs?

any input would be greatly appreciated. thanks.
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Old Feb 27, 2007 | 12:18 PM
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I had to do extensive grinding, and you can get longer studs from a chevy dealer. Sorry I dont have a part number. If you want hardened studs try ARP.

Paul
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Old Feb 27, 2007 | 12:28 PM
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how long should the studs be? do i need hardened studs?
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Old Feb 27, 2007 | 12:30 PM
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my friend has XP prostars on his cobra they come with big brakes and normally can't clear 15's, but the XP series have quite a bit more clearance than normal prostars, so they cleared on the rear with no grinding,..try to fit them on the car first to see how much or if you have to grind any at all and go from there.
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Old Feb 27, 2007 | 01:40 PM
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with a 5.5 inch bs they will stick out enough with them being 15x10
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Old Mar 1, 2007 | 03:56 PM
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bump.
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Old Mar 1, 2007 | 04:37 PM
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They kind of already told you what to do. Put them on the car and see if you need to grind. Most likely you won't that's one of the main points of the xp wheels, to clear larger brakes.

For studs, put them on and see what you need. If you do, go to summit and search for studs, then narrow the search by your type of car, its pretty simple, really. In fact, I bet a cave man could do it
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Old Mar 5, 2007 | 07:51 PM
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i took the car to a freinds and we test fit the wheels. the backs are touching a little bit. so tommorrow we are grinding the calipers. i think the studs will be ok with the stock length. the offset of the wheels make the studs look like they might be short. but i think it is gonna work. anyway i am taking my camera and i will be posting before during and after pics of the whole process. just for those who are curious. and for me. lol.
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I have 3.5" studs in the back w/ my normal ProStars (non XP)... Perfect length, could've got away with 3.25 if they made em.

In front I bought the ARP-7708 studs (3") they're not long enough with these 1/4" spacers, need 3.5" up front too
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Old Mar 9, 2007 | 12:00 PM
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as i wrote in my last post, i will be posting pics of the entire grinding process. however i lost the cord that connects my camera to my computer. so i will have another one in a few days and will be posting those pics.

sorry guys.
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