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Old 02-07-2018, 01:41 PM   #1
mhmitszach
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Default 1994 2.3 rwd with 265 75r15

Long time reader, had my ranger for almost a year now.

1993 2.3 rwd with 3.43 axle stock tire size is 195 70 r 14.

14s suck and tires are a pain to find.

So I got the 1994 4x4s for $200 with 265 75 r 15 already mounted. Would definitely get smaller tires if I ever wear through these. I drive less than 5k a year.

Running them now...

Just curious how crazy my gear ratio is? I'm super new to working on vehicles and everything about gear ratios is greek to me.

Could anyone explain my setup to me and your thoughts?

Thanks so much!

Zach

EDIT: It is a 1993. Ignore my title! Sorry.

Last edited by mhmitszach; 02-07-2018 at 01:41 PM. Reason: wrong year
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Old 02-07-2018, 02:57 PM   #2
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Here is a nice calcultor: http://www.therangerstation.com/tech...ioChange.shtml

Basically the gear ratios, as we use them area short hand form. So what you really have is probably 3.45 gears, or 3.45 to 1. So the drive shaft will spin a little less than 3 1/2 times to each full rotation of the axle shaft (and consequently the wheel). The higher the number the lower the gearing (a little counter-intuitive, but it is what it is). The higher the gearing (low number) the harder it is for the engine to get things rolling. Think of it like a lever. A long lever makes things easy to move, and short one makes it harder. A bigger number is a longer lever. But you can get it too long and then you spend all day moving your lever to barely move your load.


So your current setup is the same as having the stock tires with a 2.78 ratio. To return to the factory performance you would want 4.10 or 4.11 gears. To pick up a little performance you could go to 4.56.

Here is a chart where you pick your tire size and gear ratio find the intersection and it will show you how they will interact.

http://www.therangerstation.com/how-...ze_chart.shtml
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Old 02-07-2018, 03:11 PM   #3
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Just curious - where are you located? I have a 4.10 axle ready to pull from my '99 that might work for you.
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Old 02-07-2018, 03:52 PM   #4
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Awesome that actually makes sense.

So based on that chart, I should actually get good highway mileage and I'm still in "range" so my setup isn't entirely garbage.

I'm in Seattle, WA...

I saw a 4.10 rear axle for $100 on craigslist recently.

Is upgrading the 7,8 to a 8,8 4.10 as simple as removing and reinstalling a new axle?

I mean, there isn't any sort of adapter or new drive shaft needed is there?

Thanks so much for the info!
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Old 02-07-2018, 04:00 PM   #5
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https://imgur.com/a/JtiCQ

How it looks btw. 5 speed.

Last edited by mhmitszach; 02-07-2018 at 10:49 PM.
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Old 02-07-2018, 04:13 PM   #6
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Where you fall in the range you need to ask yourself what kind of driving you are going to do. If you are doing mostly highway cruising then you are ok. If you do mostly city, or a nearly even mix, you should change the gears.

7.5 to 8.8 on your year is mostly bolt-in. You might have to do something with the brake lines as the 7.5 and 8.8 have different fittings at the wheel cylinders. It should be as simple as a pair of line adapter fittings though.
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Old 02-07-2018, 10:43 PM   #7
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https://portland.craigslist.org/mlt/...486185447.html

Seems like a good price. Looking on car-part it looks like most junkyards want about $300.

I don't know if I really need to do this but it sure is fun trying to setup a short box 4 banger with all the better stock parts! So far just got the 15 inch wheels.

I've already replaced the 2.3. New radiator, thermostat, water pump, battery, starter, clutch,flywheel, front shocks and front wheel bearings.
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Old 02-08-2018, 10:06 PM   #8
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4.10 would be a good ratio for tires sized between 215/75R15 - 235/75R15 with your 2.3L. If you eventually plan to get tires within that size, I agree, get the 4.10 axle and just toss it under there.

If you intend to stay with 265/75R15 (nearly same as 31x10.50R15), then you may want to think about a swap to 4.56 gears.

Nice looking truck, BTW.
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Old 02-10-2018, 12:52 PM   #9
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Well just been looking around on car part to get an idea on price... Looks like if I want one, they're easily available for $275-350.

However... seems like a few options come up for $100-200 if I keep my eyes open.


$190
2002 Rear Axle Assembly Mazda Pickup Not Rotary B2500
MAZDA B-3000 8.8 RING GEAR, 9 BRAKES (4X2), 4.10 RATIO
151,987 A $WW955

Any reason a mazda rear axle wouldn't work? This seems a good amount cheaper.
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Old 02-10-2018, 05:28 PM   #10
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No differences I'm aware of between '94-'09 Mazda B-series axles and Ranger axles.
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