20" wheel and tire sizes in use

[Lowndex]

I know this question has come up before. I am asking all members running 20" wheels to share their front (20 x ?) and rear (20 x ?) wheel and tires sizes. My hope is this thread can serve to guide new members who ask for said information - help make their buying decision.

Oh yes, please state if you have lowered your ride (like Lifespeed).

Ex.:
Lifespeed

Lowered X amount
Wheels: American Racing AR883 20 x 9.3 (+ X; offset) and 20" X 10.0" (+ X; offset)
Tires: Pirelli P-Zero 265/35-20 (front), 275/40-20 (rear) tires

[ChiTownMaraud3r]

Sorry I'm running stock now, but have been doing research on the options available and I think I narrowed down what I will be doing.

Lowered: 1 coil.
Wheels: TSW Sochi 20x8.5(+40), 20x10(+40) or Rovos Durban 20x8.5(+35), 20x10(+38)
Tires: TBD...255/35/20 & 275/40/20 or 305/35/20

I want to Rovos because they are gloss black, but my concern is that offset... Will take my stock wheel and pull it out about 0.80" and see how bad that would look.

[2,4shofast]

Mine is lowered one coil and adjusted rear. Current set up.

TSW Nogaro Nitto 555's
F 20X8.5 40+ offset 245/35/20
R 20X10 35+ offset 275/35/20

When I first went with these wheels I ran
F 255/35/20
R 285/30/20

[eric jones]

Lowered- no
Front 20x8.5
Rear 20x10
Tire size fr 245/40-20
Tire size rr 275/40-20

Falken FK 452

[ZoeChamp316]

Can you guys post more specs like offsets of the wheels too? That would be of some more help so members understand what ranges work on these cars.

[MOTOWN]

Haven't lowered the front yet (waiting on coilovers)

Currently running Niche Apex 20X10 on a +40mm offset front , 20X11.5 rears on a +40mm offset.

Considering a set of HRE wheels, or True Forged on a 20X10 +45mm offset (front)

And a 20X13 +40mm offset , rear , (no spacers)

[Lowndex]

That's it? We only have 5 members running 20" wheels?

[Lowndex]

Haven't lowered the front yet (waiting on coilovers)

Currently running Niche Apex 20X10 on a +40mm offset front , 20X11.5 rears on a +40mm offset.

Considering a set of HRE wheels, or True Forged on a 20X10 +45mm offset (front)

And a 20X13 +40mm offset , rear , (no spacers)

Won't a 20 x 13 rear wheel will rub?

[lifespeed]

Here is a thread (http://www.mercurymarauder.net/forums/showthread.php?t=95872) with info on the wheel selection, widening and fitment. Note these are 8.5" X 20" 40mm offset wheels as built. The final offset numbers were arrived at through widening by Weldcraft.

Lowered about 3/4" front and 1" rear
Wheels: American Racing AR883 20 x 9.3 (50mm offset) and 20" X 10.0" (59mm offset)
Tires: Pirelli P-Zero 265/35-20 (front), 275/40-20 (rear) tires

[Blackmobile]

I'm running a set of 315 35R 20's on widened rims and loving them.

[MOTOWN]

Won't a 20 x 13 rear wheel will rub?

Not after moving the control arms inside the actual frame rails, and moving the shocks inboard of the frame rails.

[crownvic05]

Haven't lowered the front yet (waiting on coilovers)

Currently running Niche Apex 20X10 on a +40mm offset front , 20X11.5 rears on a +40mm offset.

Considering a set of HRE wheels, or True Forged on a 20X10 +45mm offset (front)

And a 20X13 +40mm offset , rear , (no spacers)

And then you will sell the niche apex with tires huh?
I might be a buyer when time comes.

How long you think?

[MOTOWN]

And then you will sell the niche apex with tires huh?
I might be a buyer when time comes.

How long you think?

Im ready when you are bud! Pm me , and we can get it worked out.

[Lowndex]

I'm running a set of 315 35R 20's on widened rims and loving them.

Please share your front and rear wheel sizes and offset.

[Blackmobile]

Please share your front and rear wheel sizes and offset.

The fronts are 18's and the offset of the back 20 is about the same as stock rears since the previous owner was trying to stay at stock size for RPM and diameter.

[BeanSS]

That's it? We only have 5 members running 20" wheels?

Lol, I wouldn't look for a whole bunch more...lol, this lot here is not a fan of 20's and up!

I'll be running them this summer, would have them now but life got in the way.

[jus4kix03MM]

I had 20x8.5 fronts and 20x10 rears Foose nitrous wheels. 255/35/20 in the front and 275/40/20 in the back. Eibach springs in the front and rear bags adjusted.

[daddyusmaximus]

Haven't lowered the front yet (waiting on coilovers)

Currently running Niche Apex 20X10 on a +40mm offset front , 20X11.5 rears on a +40mm offset.

Considering a set of HRE wheels, or True Forged on a 20X10 +45mm offset (front)

And a 20X13 +40mm offset , rear , (no spacers)

I am considering HRE wheels too, their C100. Man I saw these and fell in love. I was mad a couple months back when I fell for some wheels, but didn't get them because of price. Now I'm trying to find ways to trick/sweet talk the wife into letting me spring for even more pricey wheels.

Check these babies out...

http://i219.photobucket.com/albums/cc306/daddyusmaximus/cars/HRE%20on%20Porche_zpsyqagxn1o. jpg (http://s219.photobucket.com/user/daddyusmaximus/media/cars/HRE%20on%20Porche_zpsyqagxn1o. jpg.html)

http://i219.photobucket.com/albums/cc306/daddyusmaximus/cars/HRE%20close%20up._zpsmntdvjoa. jpg (http://s219.photobucket.com/user/daddyusmaximus/media/cars/HRE%20close%20up._zpsmntdvjoa. jpg.html)

Perfect on a black car too, but 6 grand for a set. With an election coming up, there are some firearm related things I would like to get before the price gouging starts, but I'll need tires by fall, and if I don't have new wheels by then I'll have to reskin the stockers...

[adtaylor]

Lowered: Stock
Wheels: 20 x 8.5 (+38 offset) front and 20 X 10.0 (+42 offset) rear
Tires: 255/35/20 (front) and 275/40/20 (rear)

[jakole50]

Mine is lowered one coil and adjusted rear. Current set up.

TSW Nogaro Nitto 555's
F 20X8.5 40+ offset 245/35/20
R 20X10 35+ offset 275/35/20

When I first went with these wheels I ran
F 255/35/20
R 285/30/20

Does anyone know if this same set will fit on a 1999 Lincoln Town Car?

[RubberCtyRauder]

prolly not, frame and suspension changed 03. different offsets before 03

[daddyusmaximus]

Haven't lowered the front yet (waiting on coilovers)

Currently running Niche Apex 20X10 on a +40mm offset front , 20X11.5 rears on a +40mm offset.

Considering a set of HRE wheels, or True Forged on a 20X10 +45mm offset (front)

And a 20X13 +40mm offset , rear , (no spacers)

I found this wheel offset calculator online.

http://www.1010tires.com/Tools/Wheel-Offset-Calculator#

If I plug in our factory specs, 8" wide wheel with 50MM offset, then plug in your 10" wide front wheel with 40mm offset, it shows that the wheel will set out 30mm further, and inboard 20mm more than stock. Do your wheels set out bad enough to make it look bad? Is there much room on the inside of the front to run a 10" wheel without sticking it out too far?

I found a 10" wide wheel with 56mm of offset and was thinking it may work on all four corners. Almost sure it would in the rear. The offset calculator show it to sit out only 19mm more, but it goes in 31mm closer to the suspension. Not sure there will be clearance for that in the front.

They also make a 9" wide version, but with only 35mm of offset. That would put the front wheel sticking out 28mm more than stock. This is very close to how far your 10" wide front wheel sits now, so this may work. In the grand scheme of things this is only just over an inch out further than stock and should work.

Still learning, and have to figure out this "scrub radius" thing next and what it would do to my handling. Unfortunately, they charge a very steep fee to change the offset.

[MOTOWN]

I found this wheel offset calculator online.

http://www.1010tires.com/Tools/Wheel-Offset-Calculator#

If I plug in our factory specs, 8" wide wheel with 50MM offset, then plug in your 10" wide front wheel with 40mm offset, it shows that the wheel will set out 30mm further, and inboard 20mm more than stock. Do your wheels set out bad enough to make it look bad? Is there much room on the inside of the front to run a 10" wheel without sticking it out too far?

I found a 10" wide wheel with 56mm of offset and was thinking it may work on all four corners. Almost sure it would in the rear. The offset calculator show it to sit out only 19mm more, but it goes in 31mm closer to the suspension. Not sure there will be clearance for that in the front.

They also make a 9" wide version, but with only 35mm of offset. That would put the front wheel sticking out 28mm more than stock. This is very close to how far your 10" wide front wheel sits now, so this may work. In the grand scheme of things this is only just over an inch out further than stock and should work.

Still learning, and have to figure out this "scrub radius" thing next and what it would do to my handling. Unfortunately, they charge a very steep fee to change the offset.

This is exactly why I don't like "wheel calculators" they are extremely inaccurate! A 10" wheel on a +56mm offset will never fit on a Marauder , Hell a 10" wheel on a +50mm offset will not bolt up on a Marauder.

Basically all the information in your post is wrong , it's far more to it using a wheel calculator , and you cannot change the offset on an aluminum wheel.

[daddyusmaximus]

This is exactly why I don't like "wheel calculators" they are extremely inaccurate! A 10" wheel on a +56mm offset will never fit on a Marauder , Hell a 10" wheel on a +50mm offset will not bolt up on a Marauder.

Basically all the information in your post is wrong , it's far more to it using a wheel calculator , and you cannot change the offset on an aluminum wheel.

OK. If a computer calculator is wrong, how do I figure out what will fit? Looking for help here. Telling me (you think) I'm wrong doesn't help unless you can provide a way to help me be right.

Just doing the math, and I kinda figured "math is math".

How do the guys with widened stock wheels fit a 10" wide wheel? If you send the wheel to get widened 2" they add 2" all towards the inside of the wheel. That changes the centerline of the wheel by 2" and therefore changes the hell out of the offset. What offset do you end up with if you run a stock wheel that's been widened 2" towards the inside?

[MOTOWN]

OK. If a computer calculator is wrong, how do I figure out what will fit? Looking for help here. Telling me (you think) I'm wrong doesn't help unless you can provide a way to help me be right.

Just doing the math, and I kinda figured "math is math".

How do the guys with widened stock wheels fit a 10" wide wheel? If you send the wheel to get widened 2" they add 2" all towards the inside of the wheel. That changes the centerline of the wheel by 2" and therefore changes the hell out of the offset. What offset do you end up with if you run a stock wheel that's been widened 2" towards the inside?

I don't think your wrong I know for a fact your wrong, I speak from hands on experience, not a wheel calculator.

How do the guys with factory wheels widened to 10" fit on the rear you ask? Since I was the first to widen a Marauder wheel to 10" the answer is simple a 1/2" spacer!

Anything beyond 9.5" on a Marauder wheel will require a spacer to space the wheel out enough for it to fit , for example when I widened a set of Marauder wheels to 11" I used a 1.5" spacer to fit the wheels on the rear.

And again you are incorrect in saying adding material to the rear of a wheel changes the offset , it doesn't.

[daddyusmaximus]

I don't think your wrong I know for a fact your wrong, I speak from hands on experience, not a wheel calculator.

How do the guys with factory wheels widened to 10" fit on the rear you ask? Since I was the first to widen a Marauder wheel to 10" the answer is simple a 1/2" spacer!

Anything beyond 9.5" on a Marauder wheel will require a spacer to space the wheel out enough for it to fit , for example when I widened a set of Marauder wheels to 11" I used a 1.5" spacer to fit the wheels on the rear.

And again you are incorrect in saying adding material to the rear of a wheel changes the offset , it doesn't.

Material added to the rear would have to change the offset wouldn't it? The way I understand offset is that it is measured off the centerline of the wheel.

By adding material to one side only, the centerline is changed, that has to change the measurement of offset. :confused:

Not questioning what you've experienced, trying to understand the math.

[RubberCtyRauder]

If you add to the back side of the Marauder rim. the face of the rim or the hub mounting area is still the same. The wheel will not stick out further from the car. The offset from centerline will change, yes, but the offset from the mounting face will not.
Basically what has been changed is the backspacing or the rear of rim to the mounting face.

It will only change if it were possible to add to the front of the wheel or in front of the mounting hub face.

[daddyusmaximus]

That's what I was thinking. I don't get where he says that the offset calculators are so inaccurate. Some of them also display backspace and being an old guy, I kinda understand that to a degree. There are a lot of guys with 03+ Vics and MGMs running around with Mustang wheels, even 10" ones on the rear so I was hoping I could run the ones I like. Looks like I may have to use a spacer.

Problem is I'm in love with the wheels I found...

By the way, these are the ones I'm infatuated with. I know there not 20s, but there is no "offset" thread so I check out every wheel thread I can find. I'll try anything to get these wheels to work. I've loved minilite wheels for 40 years.

Front: http://shop.saleen.com/GF_Minilite_Wheel_19x9_p/02-002-00187-01.htm
Rear: http://shop.saleen.com/GF_Minilite_Wheel_19x10_p/02-002-00188-01.htm

Gonna have to get it figured out in the next few months or I'll have to buy new tires for my factory wheels. Don't want thin tread in the snow.

[RubberCtyRauder]

Offset is really calculated from the centerline of wheel, but comparing a 8" wide to a 10" wide will change the offset. so a 50mm offset 8" wide wheel will not sit the same as a 50mm 10" wide wheel. it would have to have a greater offset to have the same front wheel face placement to fender lip relation or it will either stick out of be tucked in based on + or - offset.

Try this page, maybe it will help
https://www.rsracing.com/TechWheel.aspx#backspace

[daddyusmaximus]

Got that page saved. Haven't been through it all yet though. I was looking at this interactive calculator too.

https://www.rimsntires.com/specspro.jsp

[Lowndex]

Suggested reading posted earlier in this thread:
http://www.mercurymarauder.net/forums/showthread.php?t=95872