Ok...

I know this car to be an ITR, but the 5-lug it has seems to be 5x100?

The wheels are Volk ce28, and on the wheels it says 5x100. Now that confused the hell out of me so I pulled out my ruler and measured. Well I wasn't sure if I was measuring properly... but it seemed more like the traditional 114.3 (about 4.5 inches) I measured from the center of 1 lug to the center of a diametrically opposite hole (which of course can't have a lugnut in it).

Anyone want to tell me exactly how to measure it? I guess I could complete the circle the 5-lugs make and then measure the diameter? Would I be measuring the outside of the circle, center of lug to center of lug, or inside diameter?

Now are these really 5x100 wheels, and if so...how? why? Any disadvantage or advantage? I've never heard of this on Honda, just for maybe... oh, WRX?

Thanks for any info.

 

my wheels say 5x100 too.

But they are 5x114.3

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Jon V &raquo;</TD></TR><TR><TD CLASS="quote">my wheels say 5x100 too.

But they are 5x114.3</TD></TR></TABLE>

I have seen pics of ITRs with those wheels, but they are the 114.3 pattern. Something about the stamping...

 

Oh...

well that settles it then. Heh, good one RAYS ENG...

Thanks for the info

 

My SSRs have several kinds of lug pattern stamping...except what they actually are.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by archmage &raquo;</TD></TR><TR><TD CLASS="quote">Anyone want to tell me exactly how to measure it? I guess I could complete the circle the 5-lugs make and then measure the diameter? Would I be measuring the outside of the circle, center of lug to center of lug, or inside diameter?</TD></TR></TABLE>

Just in case you ever need to in the future, the proper way to measure is to determine the diameter of an imaginary circle that passes through the center of the lugs.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by archmage &raquo;</TD></TR><TR><TD CLASS="quote">the traditional 114.3 (about 4.5 inches)</TD></TR></TABLE>

114.3 mm = exactly 4.5 inches. (That's why they use an odd number like 114.3.)

The difference between 114.3 mm and 100 mm isn't huge - yeah, I know, it's 14.3 mm, but it would be difficult to visualize them as all that different, because they're pretty close; it's not like one is twice as big as the other or anything like that.

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Padawan &raquo;</TD></TR><TR><TD CLASS="quote">Just in case you ever need to in the future, the proper way to measure is to determine the diameter of an imaginary circle that passes through the center of the lugs. </TD></TR></TABLE>

Correct.

 

I'm one with this setup and fits no problem.. 17x7.5 TE37

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Trellis &raquo;</TD></TR><TR><TD CLASS="quote">I'm one with this setup and fits no problem.. 17x7.5 TE37

</TD></TR></TABLE>

YEah, it fits no problem bc the wheels are actually 5x114.5.

 

wow... seems to be a common thing then...
my friend has a set of volks that he purchased for his 240 we tried to test fit them on the car but its not 4x114.3 like the sticker on the wheel says but actually 4x100.
another person on the bord had the same wheels and had the same problem also.
both the same kind the 3 spoke volks.

seems to me they are mixing the stickers up. or something

 

As correctly noted above, the bolt pattern represents the diameter of an imaginary circle passing through the centers of the lug nuts and studs.

I just measured the distance between the centers of opposite lug nuts on a 5x114.3 bolt pattern. Because they are not placed exactly opposite each other - they are actually only 144 degrees around the 360-degree circle representing the bolt pattern - this is only a "chord" (in geometric terms) of the circle and not the diameter. Anyway, I measured them as approximately 107 mm apart. So if you measure the distance between the center holes of any two opposite (not adjacent) lugs in the pattern and find it is about 107 mm, then it's a 114.3 mm diameter bolt pattern, not 100 mm.

I'm sure there's a formula in geometry for the length of a chord whose endpoints are 144 degrees apart on the circle, so that you can calculate the exact distance between opposite lug centers based on the radius (57.15 mm) or diameter (114.3 mm) of the circle, but I don't know what that formula is.

 

LOL... i knew this was an old post when i saw Rob had posted

 

it's not just volks either. i have a set of sw388's and two of them have 4x100 stickers on them and the other two have 4x114.3. and yes, they all fit on my 96 spec R suspension.

on my te37's though, all of the them say 4x100, but there most definitley 4x114.3.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by nsxtasy &raquo;</TD></TR><TR><TD CLASS="quote">
I'm sure there's a formula in geometry for the length of a chord whose endpoints are 144 degrees apart on the circle, so that you can calculate the exact distance between opposite lug centers based on the radius (57.15 mm) or diameter (114.3 mm) of the circle, but I don't know what that formula is.</TD></TR></TABLE>

Ken,

Math done, I got 108.7mm. Close enough to your measured 107. For a 5X100 its 95.1mm

Chord Length = Diameter X sin(angle/2)

Cheers.

A trick for measuring the distance two holes are apart; don't measure centre to centre. Measure from one edge to the other. That is to say, measure from the right(or left, top, or bottom) edge of one hoel, to the right(or left, top, or bottom) edge of the other hole. It is easier for your eyes to tell where an edge of a hole is as oppose to telling exactly where the centre is.