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default tire size?

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Old 09-21-2008, 08:05 PM
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default tire size?

What's the default/standard tire sizes for the 89 toyota pickup?

Also, with a 3" lift, what other tire sizes are able to fit?

I took a look at the truck looking for any sign of tire sized (on my sidekick, it had a sticker on the door well.) I couldn't find any sign, and the tires themselves are faded and worn away so I can't even make out their sizes.
Old 09-21-2008, 10:03 PM
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Your truck rolled out of the factory on 225/75r15s, which are 28" tall. 31x10.5r15 is pretty popular size, and you can get away without re-gearing if acceleration isn't that important to you (with my heavy 4runner, stock 4.10 gearing didn't work for me).

You can fit a 33x10.5r15 easily, possibly even a 33x12.5r15. With those tires, you'll need to re-gear. A sensible gear ratio would be 4.88 with a 5spd, and 5.29 on an auto truck.
Old 09-22-2008, 03:37 AM
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My 4runner came stock w/ 31x10.50x15's. Check the manufacturer's decal in the driver's door jam to find out which size was stock on yours.
Old 09-22-2008, 06:02 AM
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Originally Posted by Matt16
Your truck rolled out of the factory on 225/75r15s, which are 28" tall. 31x10.5r15 is pretty popular size, and you can get away without re-gearing if acceleration isn't that important to you (with my heavy 4runner, stock 4.10 gearing didn't work for me).

You can fit a 33x10.5r15 easily, possibly even a 33x12.5r15. With those tires, you'll need to re-gear. A sensible gear ratio would be 4.88 with a 5spd, and 5.29 on an auto truck.
I'll probably go with the 31x10.5r15. I'll need to do some research on "gearing" and re-gearing and see if that's necessary should I go for bigger tires.

I found the factory sticker with the truck's tire info.
Old 09-22-2008, 08:07 AM
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31x10.5x15 is the most common, and cheapest of the "bigger tire" sizes.

Great thing about the 31" tire is that a LOT of vehicle run them, so if you ever get stranded with a flat, just about any toyota would be able to help you.

Your current gear ratio will be fine for 31" tires. If you plan on driving it on the highway (assumably you do) you will need to regear if you plan on going any higher. For me, my trail rig doesn't see any road time, so I stuck with the stock 4.10 gearing, and let my dual cases do the work. They turn 33's just fine.
Old 09-22-2008, 08:13 AM
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Originally Posted by DeathCougar
31x10.5x15 is the most common, and cheapest of the "bigger tire" sizes.

Great thing about the 31" tire is that a LOT of vehicle run them, so if you ever get stranded with a flat, just about any toyota would be able to help you.

Your current gear ratio will be fine for 31" tires. If you plan on driving it on the highway (assumably you do) you will need to regear if you plan on going any higher. For me, my trail rig doesn't see any road time, so I stuck with the stock 4.10 gearing, and let my dual cases do the work. They turn 33's just fine.
Highway is as fast as I go, and rarely do I go the full 75 mph. So 31" should be fine then with my factory gears?
Old 09-22-2008, 08:21 AM
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Yup, thats how I have my 86 set up right now. Stock 4.10 gearing, and 31" tires. Works great, and still get 20+ MPG
Old 09-22-2008, 10:25 PM
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Originally Posted by DupermanDave
Highway is as fast as I go, and rarely do I go the full 75 miles per hour. So 31" should be fine then with my factory gears?
Having had both 4.10s and 4.56s with 31s, I'd say the $300 spend buying 4.56 diffs (no one buys 4.10s for much at all), was money well spent (even though I'm a broke university student). Keep in mind my truck is about 500lbs more than yours, but I found 4.10s really frustrating as I live in a hilly area.
Old 09-26-2016, 07:20 AM
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tire size

I just purchased a 1990 Toyota Tacoma 4x4 and I need to know what the standard tire size is it has mudders that are all worn out?
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