<VV> Special wheels - Caution!

BBRT chsadek at comcast.net
Wed Jun 23 14:38:29 EDT 2010


If you choose to modify the wheels themselves and change or add bolt hole 
locations, or to order them with a different bolt hole number or location, 
you should know that some wheels do not have a cast solid stud flange. They 
may be hollow between the bolt holes.  So look into it before you leap.

Chuck S

Subject: Re: <VV> Special wheels WAS convention pics- a favor to ask


>
> Sure Ray, not much to it ...
>
> I did so many of these in the past I cut the ring off a Chevrolet front 
> hub, made a bracket
> which fit on my drill press to use as a drill guide.  But, you could use a 
> thin piece of sheet
> metal, pick a center point and scribe the bolt circle of your choice.  Lay 
> out a 4, 5, or 6 bolt
> pattern on that circle then cut out the center hole to just fit your hub.
>
> Now you can simply use a center punch to dimple all of your hubs and drums 
> then drill
> the holes for the studs.  Choose the best studs in diameter and length to 
> suit the wheels
> you have selected.  The shoulder of the stud should be about the same 
> length as the
> stock studs as it will be going through the same hubs and drums.  Select a 
> drill size that
> will be a fairly heavy press fit.  It will be possible to drive the studs 
> in with a heavy hammer.
>
>
> The amount of body work required depends on how close to 'flush with the 
> body' you really
> want to get.  Wheels for disc brake cars usually fit drum brake cars even 
> though they can be
> somewhat different.  Front wheel drive cars have wheels that are 
> definitely different in
> offset / backspace When you order your new wheels you will be able to 
> specify the
> backspace / offset.  You must calculate that yourself by deciding how much 
> farther out you
> wish to have the wheels.  Mock up the setup using your stock wheel then 
> measure the
> distance it is away from the mount surface.  Compare the stock wheel width 
> to the new
> wheel width then, working from back to front, figure your offset.
>
>
> *******************
> "Ray R. \(aka Grymm\)" <vairguy at echoes.net> wrote:
>
> Ken,
>
>     Can you elaborate on the process of drilling the hubs for a five bolt
> pattern?  Mostly what I'm interested in is what do I have to take apart...
> I imagine I'll be installing studs in the holes after drilling... what 
> sizes
> (drill and studs diameter and length) to use etc.
>
>     Do you have any insights you can share on how much modification is
> required for various width/backspace sizes?  I've been shopping around and
> it looks like pretty much all the aftermarket wheels available have less
> backspace than Bryan Blackwell's sight suggests..  most are about 3.75
> inches of backspace on 7" wheels and he suggests 4.5 for 7" wide wheels, 
> the
> 6" wide wheels usually have less and he suggests 4".  I'm happy to roll 
> the
> wheel well lip, and fine with trimming non visible areas (inside the 
> wells),
> but I don't want to have to do any real modification to the visible part 
> of
> the body.
>
> Ray R.
>
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