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Customized my rims.

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Old 06-14-2007, 09:39 AM
  #21  
kostat26
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Originally Posted by SuperBlack350
Does that change the offset at all? Do you get a choice of changing offset or do they just do it in the spot where it's most safe on the rim? thanks.
i would guess it changes the offset. also if u read above i got +15mm spacers so it should fit jsut fine (hopefully)
Old 06-14-2007, 10:13 AM
  #22  
Alberto
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Looks good...
Old 06-14-2007, 10:30 AM
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tware
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Originally Posted by kostat26
i would guess it changes the offset. also if u read above i got +15mm spacers so it should fit jsut fine (hopefully)
If memory serves, the only time I've ever heard of spacers failing here was with drag tires and FI. Inspect them regularly.
Old 06-14-2007, 10:33 AM
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helldorado
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Originally Posted by SuperBlack350
Does that change the offset at all? Do you get a choice of changing offset or do they just do it in the spot where it's most safe on the rim? thanks.
Offset is changed because when they modify the wheels they change the backspacing. The welds are always done in the flat section of the barrel and it doesn't give you any more caliper clearance because you can't increase hub depth, it just increases backspacing. So lets take this example, I don't know what the stock offset is, so just go with the numbers.

Say you start with a 18x8.5 +33 wheel. That has ~6.05" of backspacing on it. A 18x10.5 wheel with a +33 offset would have ~7.05" of backspacing. Basically, as your wheel gets wider, if your offset doesn't change, the additional width is split evenly on both sides of the hub. By increasing backspacing on an 18x8.5 +33 wheels 2", you would have 8.05" of backspace. That converts to something like a 18x10.5 +58.

I think you're going to need at least a +25 spacer and new studs to clear your rear suspension. 25.4mm = 1".
Old 06-14-2007, 10:37 AM
  #25  
SirSpeedyZ
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looks good
Old 06-14-2007, 11:02 AM
  #26  
k3silk
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Man I liked the wheels you had before but hey got to work with what ya got.
Old 06-14-2007, 11:25 AM
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kostat26
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ok i jsut installed the spacer and rim to see the fitment. without a spacer theres no way it would work. but heres the pics of fitment.



Old 06-14-2007, 11:30 AM
  #28  
kostat26
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pic of what rims are gonna look like when im done. im gettign the powdercoated and having a paint shop do the red lip, so its professional and permanent.

Old 06-14-2007, 12:20 PM
  #29  
Chebosto
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+1 on the DIY.

do they guarantee the welds?
Old 06-14-2007, 12:25 PM
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TimeAttkZ
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looks great for some track wheels and saves you money. Looked awesome with the red lugs in there but loose the center caps.. they just throw the red/black theme off. BTW... you said you sitched the turbo set-up, well whats your new set-up going to be ???
Old 06-14-2007, 01:15 PM
  #31  
sry110
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Originally Posted by helldorado
Offset is changed because when they modify the wheels they change the backspacing. The welds are always done in the flat section of the barrel and it doesn't give you any more caliper clearance because you can't increase hub depth, it just increases backspacing. So lets take this example, I don't know what the stock offset is, so just go with the numbers.

Say you start with a 18x8.5 +33 wheel. That has ~6.05" of backspacing on it. A 18x10.5 wheel with a +33 offset would have ~7.05" of backspacing. Basically, as your wheel gets wider, if your offset doesn't change, the additional width is split evenly on both sides of the hub. By increasing backspacing on an 18x8.5 +33 wheels 2", you would have 8.05" of backspace. That converts to something like a 18x10.5 +58.

I think you're going to need at least a +25 spacer and new studs to clear your rear suspension. 25.4mm = 1".
Yeah I agree. Offset is the distance from the centerline of the wheel to the mounting surface. Since the wheel grew bigger toward the center of the car, the centerline of the wheel effectively moved toward the center of the car while the mounting surface stayed in the same place. The offset increases because the distance between the centerline and the mounting surface increases. When adding width to the wheel the way that he did, the increase in offset is always one half of the total width added.

Old 06-14-2007, 04:30 PM
  #32  
kostat26
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Originally Posted by TimeAttkZ
looks great for some track wheels and saves you money. Looked awesome with the red lugs in there but loose the center caps.. they just throw the red/black theme off. BTW... you said you sitched the turbo set-up, well whats your new set-up going to be ???
Greddy TT and lots of other stuff
Old 06-14-2007, 06:05 PM
  #33  
SuperBlack350z
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Originally Posted by helldorado
Offset is changed because when they modify the wheels they change the backspacing. The welds are always done in the flat section of the barrel and it doesn't give you any more caliper clearance because you can't increase hub depth, it just increases backspacing. So lets take this example, I don't know what the stock offset is, so just go with the numbers.

Say you start with a 18x8.5 +33 wheel. That has ~6.05" of backspacing on it. A 18x10.5 wheel with a +33 offset would have ~7.05" of backspacing. Basically, as your wheel gets wider, if your offset doesn't change, the additional width is split evenly on both sides of the hub. By increasing backspacing on an 18x8.5 +33 wheels 2", you would have 8.05" of backspace. That converts to something like a 18x10.5 +58.

I think you're going to need at least a +25 spacer and new studs to clear your rear suspension. 25.4mm = 1".

lol, actually my friend saw this post and called me an idiot because i didn't think of it. I'm sorry, i don't know what was going through my mind.
Old 06-14-2007, 06:25 PM
  #34  
THE TECH
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I've always been a fan of widening the stock Track wheels.
Old 06-14-2007, 06:30 PM
  #35  
ldawg32
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i think that looks great good job
Old 06-15-2007, 02:34 AM
  #36  
andypandy
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called several companies regarding welding wheels, and they don't recommend welding forged wheels for some reason. like chebosto asked, does weld craft guarantee those welds?
Old 06-15-2007, 08:20 AM
  #37  
kostat26
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i dont see the problem with welding wheels is, 1000 hp supras and vettes do it all the time
Old 06-15-2007, 09:00 AM
  #38  
Triple8Sol
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Originally Posted by andypandy
called several companies regarding welding wheels, and they don't recommend welding forged wheels for some reason. like chebosto asked, does weld craft guarantee those welds?
+3
Old 06-15-2007, 01:18 PM
  #39  
andypandy
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Originally Posted by kostat26
i dont see the problem with welding wheels is, 1000 hp supras and vettes do it all the time
yeah, but what type of wheels are they rolling on? for cast, i'd understand, since the weld penetrates the cast molecular structure for a stronger deposit. however on a forged wheel... the weld might decrease the integrity of the molecular structure.
Old 06-15-2007, 03:46 PM
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tware
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people weld their wheels... and powder coat forged rims. It seems doing these things are within the margin of safety on the road.. theoretically, both of these would weaken (or make more brittle) a forged wheel. However, I think once you get on the track, when youre at 10/10ths.. You've clearly stepped into levels of stress where there more likelihood for a failure. Fat tires, FI and some wheel hop will break a subframe (so it seems), so spacers and widened wheels will require some regular attention. I dont have any experience with FI Z/G's. So, I'm really going on what I've read here. Your mileage may vary.


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