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Depending on that centerbore and how far they have to go in, they might be able to do a redrill of the existing holes and insert "press seats". They basically drill the existing holes inward and stop once the desired PCD is achieved. Then they press in a metal seat to serve as place for the lug head to sit.
I've had my last two sets done this way. One from 5x120 to 5x108 and the other from 5x112 to 5x108. This is an extreme one, but you get the idea. Should only cost around $200-$250 as well. This way you don't have to worry about the welded area cracking or anything and they're just as strong as before.
the inserts are the only way that they would do that set, but yes it is completely possible
sigpic
1990 Nissan fairlady Z32 - long term build
1982 euro porsche 930 turbo
"A less- assuming enthusiast probably wouldnt even think that this Z ran because of how naked the engine compartment was. The motor looks as if it just floats there, with nothing else in sight." Super Street 9/2012
^ why exactly? lug holes just keep the wheel pressed to the hub, but the centerbore is far more important as it centers the wheel and keeps it sitting on the hub. It also takes all of the stress. If people can handle a pressed in hub bore adapter, especially the cheap plastic ones people sell, this is less significant of a worry
sigpic
1990 Nissan fairlady Z32 - long term build
1982 euro porsche 930 turbo
"A less- assuming enthusiast probably wouldnt even think that this Z ran because of how naked the engine compartment was. The motor looks as if it just floats there, with nothing else in sight." Super Street 9/2012
It's not sketchy at all. The inner part of the lug hole is going to be lined up perfectly with what the bolt pattern is. Here is my most recent set (redrilled from 5x112 to 5x108).
can you have 5 lug wheel filled and re-drilled as 4 lug?
Depends on how the back of the face looks like, if it has a flat hub mating surface you can do anything you want as long as it fits in the dimensions of the hub.
^ why exactly? lug holes just keep the wheel pressed to the hub, but the centerbore is far more important as it centers the wheel and keeps it sitting on the hub. It also takes all of the stress. If people can handle a pressed in hub bore adapter, especially the cheap plastic ones people sell, this is less significant of a worry
I believe it's the other way around actually. Centerbore just gets the wheel perfectly centered, but the lugs do all the work.
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