Drag Racing Technique Improve your track times

come in if you're running weld wheels

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Old Oct 23, 2003 | 11:10 AM
  #1  
SpectacularZ's Avatar
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come in if you're running weld wheels

i'm looking at getting some weld wheels. 15x10 for the back and 15x3.5 or 15x4 for the front. where and how much grinding of the calipers did you do to make them fit? did you need to use spacers? if so, on fronts, backs or all four? anyone know what backspacing i need to order for an lt1 car? all i have is a hand file so i don't have anything to grind the calipers down a whole lot. any other things that i missed would be much appreciated, thanks.
Old Oct 23, 2003 | 01:38 PM
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You will need spacers for the front only and you will need more than a hand file to grind down the calipers on the rear. It takes quite a bit of grinding on the back for the wheels to fit. I have 15x8's with 5.5" backspacing and they look great. If you go with 15x10's you would have to get 7.5" Backspacing for them to fit under the fenders but then i was told you would have to do some massaging to the inner fenders to work. Good luck
Old Oct 23, 2003 | 04:18 PM
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How thick a spacer is required for the fronts?
Old Oct 23, 2003 | 05:07 PM
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I think it's a 5/16" spacer. They are on the car right now so I can't measure them. Later Clint
Old Oct 24, 2003 | 06:10 AM
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Anyone have a part # for the lugs they use. Its for a 94 z with a stock 10 bolt. Also do you need to order anything else for the rims besides the rims and lugs?

J D
Old Oct 24, 2003 | 02:00 PM
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SpectacularZ's Avatar
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i just called weld and they said their 15x10 pro stars weigh 19 lbs that's supposed to be the plain prostars, but maybe it's the xp series?
Old Oct 24, 2003 | 03:15 PM
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5/16 spacer in front, no grinding in front.

15x10/7.5 backspacing, probably weigh around 15 lbs.

XP's are like 22 lbs.

You need a grinder for the rear calipers, but it takes no time at all.

http://www.pbase.com/image/5269393
http://www.pbase.com/image/5269394
http://www.pbase.com/image/5269912
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