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Aftermarket wheels size question on 1st gen Explorer ?

SqEx

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Good day everyone,
I'm wondering if anyone can help me ? I have a 91 explorer and want to go with either 18x8 wheels or 20x8.5 wheels, my question is the wheels I'm looking at come with either +25mm or +35mm backspacing which offset would be best ?

If I go with 18s the tire size I'm looking at will be 255/55R18 and if I go with 20s the tire size will be 275/45R20
 
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I would say anything from 3.75" - 4.5" is fine, I'll let you do the metric conversion. ;) 4.5" is stock rim, 3.75" is pretty standard with aftermarket 15" rims, which is what I have used.

Welcome to the forum.
 
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SqEx

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I would say anything from 3.75" - 4.5" is fine, I'll let you do the metric conversion. ;) 4.5" is stock rim, 3.75" is pretty standard with aftermarket 15" rims, which is what I have used.

Welcome to the forum.

Thank you for the reply, these are the wheels I'm looking at, come in a offset of +22mm, +32mm and +42mm
These are the specs for the 18s and 20s I'm looking at.

The 18x8 is Backspace : 5.48 inches Offset : 25mm
18x8 is Backspace : 5.87 inches Offset : 35mm
18x8 is Backspace : 6.15 inches Offset : 42mm

The 20x8.5 is Backspace : 5.73 inches Offset : 25mm
20x8.5 is Backspace : 6.00 inches Offset : 35mm
20x8.5 is Backspace : 6.32 inches Offset : 40mm

http://www.performanceplustire.com/buy-wheels-online/advanti-wheels/a2-traktion-gloss-black-rim-with-machined-lip

AdvantiTraktionBlack.jpg
 
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CDW6212R

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The 35mm or more will definitely not work. I have 18x8.5's with 35mm offset, and they barely work with 1/4" spacers(6.35mm). So an 8.5" wheel needs to be under a 29mm offset.

I just bought 17x9's with 16mm offset, and test fitted they look like a fairly good fit. I might need a tiny fender flare for the 275/55's I'm planning for.

Check clearance in the back at the parking brake cable, it needs a good 2-3" there.
 
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SqEx

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The 35mm or more will definitely not work. I have 18x8.5's with 35mm offset, and they barely work with 1/4" spacers(6.35mm). So an 8.5" wheel needs to be under a 29mm offset.

I just bought 17x9's with 16mm offset, and test fitted they look like a fairly good fit. I might need a tiny fender flare for the 275/55's I'm planning for.

Check clearance in the back at the parking brake cable, it needs a good 2-3" there.

Thank you for the reply.
Yes I see the issue with offset is more with the back wheel wells with less space, so I think the 25mm offset would be the best choice.

Do you have any pics of your Ex with the 18s on it ?? I would love to see how it looks. :)
 
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CDW6212R

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I'm on my 3rd set of 18" tires, and need to use these up before I change to the 17's. Be sure to check on the actual weights of the wheels. The 18's I have are a typical cheap wheel, and thus very heavy. I began with 72lbs each with the first set(265/60/18), Those were heavier than the 255/55's I have now. I'd guess my 18's weigh 31lbs each or close to that. The forged 17x9's I bought recently are 22lbs each. That 9lbs is a bunch, and fuel mileage and braking do suffer.

Below is the first set of 18's I had, which were 30.5" tall.
 

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SqEx

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The wheels I posted above are 25.5 Lbs each and for tires I'm looking at the Cooper Discoverer H/T Plus 275/45-20s which are 29.64 inches in diameter, I can't seem to find how much the weight of each tire is though.
 
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CDW6212R

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That should be fine. Those lower profile tires don't weigh as much as taller ones. Mine have been coming down into the low 30's lbs range as I got to the 55 series. Not many sites list tire weights, and the Tire Rack does for sure.

My first tire/wheel upgrade was to a Cobra 17x8, and with 255/60's they weighed 58 lbs. That was just a little over the stock 235/75/15's, and had no noticeable affect on mileage of braking. I think the 275/55/17's I get next should be in the 35lbs and under range, which puts me back in the 57lbs or less range, very good. I don't know how OEM does it with the huge stock wheels/tires they have now. They look like they ought to weigh 70lbs or more. They must be really strong and light weight wheels.
 
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SqEx

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That should be fine. Those lower profile tires don't weigh as much as taller ones. Mine have been coming down into the low 30's lbs range as I got to the 55 series. Not many sites list tire weights, and the Tire Rack does for sure.

My first tire/wheel upgrade was to a Cobra 17x8, and with 255/60's they weighed 58 lbs. That was just a little over the stock 235/75/15's, and had no noticeable affect on mileage of braking. I think the 275/55/17's I get next should be in the 35lbs and under range, which puts me back in the 57lbs or less range, very good. I don't know how OEM does it with the huge stock wheels/tires they have now. They look like they ought to weigh 70lbs or more. They must be really strong and light weight wheels.

Honestly I can't chose between the 18x8s with 255/55-18 or the 20x8.5s with 275/45-20s, both look great though. :D
 
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CDW6212R

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If the weights are close, go with how it looks to you.

I was hunting for a wheel that I liked a lot, which is hard since I don't like much of aftermarket choices. I picked a wheel that happened to be obsolete, and was after a 17x9 or 18x9. I would prefer the taller 30" size, but I never saw any of the model I wanted with a good offset, until this set last Fall.

Do what you can, with what you have.
 
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SqEx

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If the weights are close, go with how it looks to you.

I was hunting for a wheel that I liked a lot, which is hard since I don't like much of aftermarket choices. I picked a wheel that happened to be obsolete, and was after a 17x9 or 18x9. I would prefer the taller 30" size, but I never saw any of the model I wanted with a good offset, until this set last Fall.

Do what you can, with what you have.

Thank you for your input I greatly appreciate it.
By the way, this is what I am fixing my first gen up for :D

13045489_10154940712113747_1552465796_n.jpg


13220083_10154971541263747_678973101_n.jpg
 
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SqEx

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This is what I hope the final results turn out to be

13089993_10154938721083747_2146707060_n.jpg
 
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CDW6212R

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Very good, I like it.
 
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