what gear ratio

[Boggin]

i got a 93 b2600i 4x4 2.6L 4banger, do anybody know what my gear ratio is? thanks, and no, my truck isnt a rbv, greatly apreciated

[90rangersuper]

what is the door code, drivers side door under the axle section, the code will help up, i just found out this week i have 3.55 gears :sad: my code was 85, otherwise look on the front axle, there will be a tag with the gear ratio on that

[Boggin]

ok thanks ill go look

[Boggin]

neither door code or axle tag..

[90rangersuper]

well then boggin, i am out if ideas there, im sure somebody else will know another way, what axles do you have in the truck

[Boggin]

im not sure of that either :( haha

[90rangersuper]

count the number of bolts on the diff covers, that will tell us what axle you have

[Boggin]

ok hold on a sec

[Boggin]

theres 10 of them, wouldnt that be a D35?

[90rangersuper]

the rear, you will most likely have the 7.5 up front 10 bolts = d35, 12 bolts = d28

[Boggin]

the front has a damn Independant suspension..:@........
anyways what is better, D28 or 35?

[90rangersuper]

the front has a damn Independant suspension..:@........
anyways what is better, D28 or 35?

D35 all the way

[Sasquatch_Ryda]

Wait...your truck is this body style right?

http://www.edmunds.com/pictures/VEHICLE/1992/Mazda/3093/1992.mazda.bseriespickup.6882-T.jpg

If so it doesn't have any ford parts on it....i'm not sure what they used for axles, I beleive they were similar to Toyota's tho.

[Boggin]

yup, thats my baby http://i300.photobucket.com/albums/nn23/Boggin-B-Series/n615462246_884445_9754.jpg
no, it dont have any ford parts,
and i think Will told me they were nissan based

[90rangersuper]

rockauto.com shows the ujoints being a d-35 or a mazda 7.5 for the axle's, maybe im wrong, at least ill learn from this one

[Sasquatch_Ryda]

rockauto.com shows the ujoints being a d-35 or a mazda 7.5 for the axle's, maybe im wrong, at least ill learn from this one

I won't have u joints in the front axles, its got CV shafts.

[Boggin]

but is that where i find out my gearing?

[90rangersuper]

duh, you said that before with the independent front suspension, hey man, out of ideas here

[BlackBII]

I believe the Mazda's of those years use a Toyota similar rear axle...

On your Rear axle, are there bolts on the back? Or is it smooth, like where you would pull the carrier out of the front of the axle, rather than a cover plate on the back?

[Boggin]

the bolts are on the front

[BlackBII]

Ok, then yes it's similar to the Yota axles..

looking around, Im seeing a lot of references to a 4.30 or so ratio...

Does the front diff have a tag? It'll have the same ratio...


Edit:

Just found this:B2600, 7.5 in or so, 4.10 or 3.70 ratio

[BlackBII]

Does it look like this?
http://i105.photobucket.com/albums/m205/danteinien/toyhsng.jpg

[Boggin]

uhhhhhh no..hold on, ill see if i can get a pic with my webcam
cause i dont have the charger for my camera :temper:

[90rangersuper]

looking around on the net i will agree with the 4.10 ratio

[Boggin]

http://i300.photobucket.com/albums/nn23/Boggin-B-Series/MazdaBClutchGone013.jpg
http://i300.photobucket.com/albums/nn23/Boggin-B-Series/MazdaBClutchGone012.jpg
http://i300.photobucket.com/albums/nn23/Boggin-B-Series/MazdaBClutchGone011.jpg
http://i300.photobucket.com/albums/nn23/Boggin-B-Series/MazdaBClutchGone014.jpg

[90rangersuper]

i cant see anything in those pictures man

[Boggin]

yea, the 2nd last pic is the best, even thaty one isnt very good

[BlackBII]

Yeah, that looks bigger, rounder than the pic I provided... Which was a Yota axle...

[Boggin]

so ya's think i got 4.10 and D35?

[90rangersuper]

i will say 4.10, unsure on the d35 though

[Boggin]

awesome, thanks

[90rangersuper]

im sure there will be more posts in this, if you can get a better pic of the axle that would help greatly

should of bought a ford:nono:

[Boggin]

i know :'(, im lookin for oneif i can get one

[exbass94]

Jack up the back end of the truck, put it in neutral, and turn one of the wheels. Count how many times the driveshaft turns while you turn the wheel one complete revolution. If it's about 3.73 times, you have 3.73 gears, if it's about 4.10 times you have 4.10 gears, etc.

[blackbronc]

They are Mazda axles not ford or nissan. Mark your driveshaft with some bright paint or the like right near the rear yoke. Jack up one rear wheel and mark it like the driveshaft. Turn the wheel exactly 2 full turns while you watch the driveshaft and count the number of times it turns. Almost 4 will be 3.90 a little over is 4.10. If your rear axle is welded then you will have to raise both wheels off the ground of course. and you would only turn the wheels 1 turn then. You don't have a d35 or 28 in the front either, it's an all aluminum Mazda independent.

[blackbronc]

1 turn of an axle will only turn the carrier 1/2 turn so you have to turn 1 axle 2 turns to turn the carrier 1. The exception is if your spiders are welded, you have a spool, locker or very good L/S. You would have to get both wheels in the air and turn 1 full turn in that case.

[Boggin]

Ive never really checked out the front susp. but i will take the laptop with me and go check your strategy

[Boggin]

ok, so i was just out there, i had to jack up 2 of the wheels, and i realized, when i turn the wheels the driveshaft dont move, yea i forgot all about my transmission was gone

[Boggin]

hold on..
i got to upload the pics

[Boggin]

http://i300.photobucket.com/albums/nn23/Boggin-B-Series/Picture013.jpg
http://i300.photobucket.com/albums/nn23/Boggin-B-Series/Picture014.jpg

shitty webcam pics

[4x4junkie]

Are your diffs welded up/locked or no?

If not, you have to do like blackbronc mentions (one tire of the axle off the ground, the other still on the ground). Turn the wheel off the ground exactly two complete revolutions, while counting the driveshaft (pinion yoke) rotations. As said, 3-3/4 turns is 3.73:1, just over 4 turns = 4.10:1, 4-1/3 turns = 4.30:1, etc.

[Boggin]

i tried, i had to lift up the 2 wheels, didnt you read all my posts?
and when i got two of them up, i can turn my wheels, If i turn one wheel forward, the wheel on the other side will go the opposite way, and when i do, the driveshaft dont move at all.. seems my trannys gone

[Sasquatch_Ryda]

If i turn one wheel forward, the wheel on the other side will go the opposite way

Which indicates an OPEN differential, which will just freewheel like that and not rotate the drive shaft. One tire has to be on the ground to keep it from spinning backwards. We do know what we are talking about here.

[Boggin]

we sure dont...but i cant spin my wheel when just one is on the ground,
and my tranny is gone anyways, so my drive shaft dont move nohow..

[4x4junkie]

OK, now I got you, yeah the tranny is in gear or seized or (?).

You could unbolt the driveshaft from the axle flange and then check it (or maybe try it on the FRONT axle with the hubs locked, as both ratios have to be the same. Be sure the t-case is in 2WD.

Edit: Check that. If it's in 4WD, things won't turn.

[Chazman]

Being a 2.6 M.T., I'm 99.9% positive your truck has 4.30 gears in......

[Boggin]

ok thank alot man