Good Morning All...

Need y'all's big brains.

I'm still feeling this car out.
Drove 450 hundred miles for the first time a bit ago.

The 2004 XKR came with after market wheels. Maxx Hyper Silver. TSW makes them. They are 120x5 pattern, 19x8.5 with a 30 offset. The bore is 76mm - Jaguar hub is 73.9... A 2mm (1mm all around difference) 😳

Driving 65-70mph I have a definite vibration. 80+ it smooths out. I'm literally sitting in the waiting area now while my wheels are being balanced.

Is there a point in getting someone to make a hub centric spacer with a thickness of 1mm? Can one even be made?

If ANYONE has found a company that you trust and is GOOD
for hub centrics and can point me in a direction I would appreciate it.

Jason

 

The bore could be opened up slightly on the mating surface so a more substantial sleeve to correct bore size could be used.
You definitely need to match the correct wheel bore, even more so since the PCD is only close.

 

Maybe you can cut a strip of 1 mm aluminium sheet and bend it around a 75mm (3") pipe and squeeze in to the center bore of your wheels?

 

I LIKE IT!!! I will need to get a better look at the wheel to see what that would take, but just took a look at Amazon and there are lots of options. Thanks Nor...

They wouldn't balance the wheels. They said (rightly) that the tires were toast - and I'm ashamed... Really,,, smh... I need more $$$$$

Anyways. Now here's another question... I'm looking at 245/45/R19 all around. All of the rims are 8.5... 19inches. Will they fit properly is the question...? Looking for a BIT of reassurance before I place the order.

Thanks guys!

 

Hi Jay,
I have a 2003 XK8. Originally mine came with 8" wide x 18" on front and 9"wide x 18" on rear.
Front tires were 245/45/18, rears were 245/55/18.
I recently changed to Foose wheels that are 8.5" x18" all around with the same staggered tire sizes.
I found i needed a 1/4" spacer on the rear wheels to have the center line of the tire in the same place.
As far as physically fitting the 245/45/18 tires on 8.5"x18" rims fit on all four corners, with or without spacers on rear.
I cant imagine it would not be the same for 19" wheels.
I am a bit of a purist on handling so I wanted rears to have the proper tracking and alignment width, etc.
The spacers were free from the wheel vendor.
They also had to bore out the wheel centers for proper fit (also no charge).
Good Luck!
Steven, AKA 1AVdude..

 

Any old guy with a lathe can turn you a spacer from solid or tube in about 1/2 an hour. The bent strip is a good idea but the idea of the wrong PCD is I suggest illegal/voids insurance etc

 

"PCD" is a new term for me. Thank y'all

I know. The PCD thing bothers me. And between that and the fact that the hub and bore is off, now learning about the ratty tires I'm a bit a ashamed,,, but it's a circumstance and a money thing for sure. I'm hoping I can correct everything,,, but can't do much about the PCD thing unless I get a whole new set of wheels and tires...

Can the PCD thing cause the shaking at 70mph? Seems like it could and even would. That .65 of the 120.65 (or 120.60?) needs to go somewhere, right. Can or does it shift the wheel/rim significantly in one direction or another once the rims are torqued down?

The aluminum or steel at 1mm thickness is easy to find. Due to malleability, I think steel would be better. I'm thinking I will make a sleeve of a section deep enough to fit into the bore of the rim and see if I can get it right. Then, over the hub to center things allowing the weight to ride on the 1/4 inch hub lip as designed...

Tires, I'm about to order a set... Not a super fancy set. So, thank you for the info about your experience with the 245/45s... I'll do that with 19s...

It's time to start looking for a BETTER job, lol.
Motivation - maniac style car ownership 🤠

 

The PCD itself is probably close enough IF you have the bore correct, but at the moment you have neither hub centric nor stud centric wheel set up.

 

19" should have 245/40 not 245/45 if you want it to be correct.

 

I would go by the price as 2.5mm on the radius will make no difference ..go for the cheaper one.
I can get two 45s for $150 but the 40s are $200. Delivered not fitted. How do they cost out in the good old US?
You need to make sure that the stud holes in the wheels are big enough for the bolts to pull down flat on the wheel casting.

 

I'm with Pistn on this one. There is a difference in cost (pretty significant) and, I have 40s now, they are not "touring" tires. I'm hoping that the added thickness and different style tire will lend to a softer/gentler ride. NYC streets are tough going, they just are.

I don't drive hard and I don't drive fast. Never did never will. For me, to a degree, tires are tires. Need em, don't obsess over them.

 

245/40 is listed as 26" tyre while 245/45 is listed as 27" tyre. The side wall heights are 98 and 110 mm respectively. The 45 and 40 are percentages of tyre tread width not mm measurements.

 

well dont claim to be a tyre expert ..it a long time since I built kit cars and needed all that ****.
look at
www.tyresize.com for all the figures
245 40 are 26.7in
245 45 are 27.7 in
so that 1/2 in less wheel arch clearence

Looks like tyre prices are much higher in the US so a careful choice can save the $$$
The 245 may give better MPG