SR20DET/NX2000

Just wondering if anyone knew if gears were interchangeable? Cause the trans case's look identical between the B13, B15, and P11.

eggman

no.
The b13, b14,SR16,and P10 are somewhat interchangeable...but b15,and P11 are different(bigger gearstacks for one thing).
That,and the case is what makes them stronger than the earlier ones.

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SR20DET/NX2000

Ok but would the whole gear assy not fit?cause i understand that the B15 and P11 gears are beefier and bigger but i was just wondering cause i have a B13 trans and the 3rd and 4th gears are going bad cause they slip when under hard throttle. if not ill just buy a messed up p11 or B15 and rebuild it.

eggman

bigger B15 gears....small B13 case...not gonna fit.

SR20DET/NX2000

Ok sorry for sounding stupid. im just tring to figure out the best thing to do i cant find a P11 or B15 anywhere around me and i dont think my trans is going to last to much longer. but thanks for the input.

_M7_

B13 have a lot of engines...E16i ,GA14 and 16, Sr16, 18 and 20
For example E16i and GA16 have both 1.6Lt engine but gearbox are diferent. B15 uses GQ18 ...usually and SER uses the one on the Xtrail if im not wrong.
...PLUS ther rear engine suport its diferent whit GA engine and SR ones

_M7_

...I almost forgot somthing....if you going to find some interchangeable part between cars those will be B13 and N14 ....the Sunny have alot of common part whit the Pulsar and if you search, you will find n13 and n14 service manual

SR20DET/NX2000

oh ok thanks i knew the b13 and my nx2000 share the same chassis. and parts where interchangable but i need to find a cheap trans for it that can hold up to my car lol im pushing 17 pounds and keep blowing 3&4 gear. and i cant justify spending $800 on a trans. unless mine blows and ill probly give in cause its pointless to put a trans(b13) in my car that i know is not going to hold up. but ill look around for those models and see if i cant come up with anything.

_M7_

how many power doy you have in your car? I dont think another reason to breack those gears except somthing its twisted or slightly bended ....couse you need a lot of torque to destroy a gear

SR20DET/NX2000

i traded it for my 95 integra(im usual its what you build not what you buy) but i could pass it up. i just know it throws you in the seat for a 4 banger. its as if 3rd and 4th gears slip but its not all the time its only when im in boost/throttle really hard which makes me think clutch but wouldnt it do it all the time and in all gears if it was slipping?i dont think the throw out bearing isnt making a noise from what i can hear and its only 3rd and 4th.

oh and would it make that much of a diffrence if i got a non-lsd over a lsd B15 transmission??

_M7_

those can be the sincronicers ( I dont know the name in english)

SR20DET/NX2000

Yea I've done more research and some people say the b13 trans can hold alto of power if u put the right gear oil in it.