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I have a 93 Eldo with P225/60/16's on with original rims with the gold trim.

Using those stock rims, what is the maximum tire size I can go with?

I just want to have "meatier" look with the tires. Part of the personalizing of my Caddy.

thanks.

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You could probably go with 235x50 or MAYBE 245x45 without any trouble, but be sure to check the clearance in your wheel wells with the steering wheel turned ALL THE WAY left and right.

Check the clearance in the wheel well at the BACK, FRONT and TOP of the tire.

You don't want to get new tires and then find out they rub on your fenders when you turn.

I assume you know that when you use lower profile tires, they are going to ride MUCH harder.

You will no longer have the smooth Cadillac ride you are now accustomed to.

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You could probably go with 235x50 or MAYBE 245x45 without any trouble, but be sure to check the clearance in your wheel wells with the steering wheel turned ALL THE WAY left and right.

Check the clearance in the wheel well at the BACK, FRONT and TOP of the tire.

You don't want to get new tires and then find out they rub on your fenders when you turn.

I assume you know that when you use lower profile tires, they are going to ride MUCH harder.

You will no longer have the smooth Cadillac ride you are now accustomed to.

Thanks for the info, I don't think I'd go with the 50 series tires. Just something with alittle more meat. Like 235/60.

I just bought the car and first things first. the owner couldn't find the wheel lock for those cadillac rims so I gotta get a key for that

before any modifications can be made.

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I assume you know that when you use lower profile tires, they are going to ride MUCH harder.

You will no longer have the smooth Cadillac ride you are now accustomed to.

I don't think he's looking for a lower profile tire, it sounds like he's looking for a BIGGER tire on the stock Cadillac rims.

WARNING: I'm a total car newbie, don't be surprised if I ask a stupid question! Just trying to learn.

Cheers!

5% discount code at RockAuto.com - click here for your discount!

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  • 4 months later...

I have an 88 Eldorado and I ended up installing 225/60/17 tires. It ended up that this was about the absolute largest diameter that could fit on this car. There was in fact some slight rubbing on the spring support and I ended up having to slightly bend it to create some extra clearance. If you go to http://www.1010tires.com/tiresizecalculator.asp you can calculate the diameter of different size tires. The 225/60/17 tires on my car are 87 inches in diameter which is 5 inches more than stock. Based on the assumption that you can run up to 87 inches in diameter and 16 inch wheels, the tires that would fit your car would include 235/60/16 and 225/65/16. You could run 245/60/16 tires but I don't think that size is readily available.

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  • 2 weeks later...
I have an 88 Eldorado and I ended up installing 225/60/17 tires. It ended up that this was about the absolute largest diameter that could fit on this car. There was in fact some slight rubbing on the spring support and I ended up having to slightly bend it to create some extra clearance. If you go to http://www.1010tires.com/tiresizecalculator.asp you can calculate the diameter of different size tires. The 225/60/17 tires on my car are 87 inches in diameter which is 5 inches more than stock. Based on the assumption that you can run up to 87 inches in diameter and 16 inch wheels, the tires that would fit your car would include 235/60/16 and 225/65/16. You could run 245/60/16 tires but I don't think that size is readily available.

A good reference of tire size for your car is victoriatiretire.com, these guys are pretty methodical. The next best thing than asking the OEM guys themselves. But IMO 245/45/16 is a standard meaty approach. Once you get past 50 series you are starting to stretch the envelope in height and width. You don't want to start throwing your speedo off.

"Tiny" Crawford

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  • 2 months later...
  • 1 month later...

I sell and install michelin's, BFG's. Before you go out and change your sizing, you need to have someone who is a trained tire tech. Look at the car and use a size comparator to ensure your not increasing the tire by 15%, doing so could cause your brake system to malfunction. Sometimes you need to have the car reprogrammed for the new size tire (rare) and if you have indirect TPMS that works on revolutions of the tire. Also your recommended pressure will likely have to be changed to give you the best footprint on the road.

Edited by Roadapples
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  • 1 month later...
I have a 93 Eldo with P225/60/16's on with original rims with the gold trim.

Using those stock rims, what is the maximum tire size I can go with?

I just want to have "meatier" look with the tires. Part of the personalizing of my Caddy.

thanks.

To provide you with a proper recommendation, first we need to know the rim width of the rims you have. Open your drivers door and on the end of the door where it latches to the car, you will find a decal about the size of the palm of your hand called a Tire Placard. This will tell you the Original Equipment tire size, recommended tire inflation pressures and the wheel size. If you can provide me that information, we can go from there.

-- B.F. Goodrich T/A Certified Tire Specialist

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