Thread: HOW TO: P11/B15 transmission swap into a B13/B14/P10

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2008-03-02 06:38:09

#11

jer_760

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BTW: Thanks for getting the pics back up!

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95 200sx
sr20ve

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2008-03-03 00:51:55

#12

DxPxE

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what gears are more noticably different when having a p11 trans in the car as opposed to a b13/14.

have you noticed a increase in gas mileage for crusing or do you now just cruise a little faster HaHa

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91 rust bucket rocket
00 rust bucket slug
13 explorer sport

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2008-03-07 02:03:41

#13

jquesadar

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Originally Posted by jer_760

They are a great deal stronger than the pre 2000 trannies. The b15 tranny also has shorter gearing than the b13/b14, and the p11 tranny has longer gearing than the b13/b14.

Thanx

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Back to basics.

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2008-03-08 17:51:48

#14

STRATTON

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Originally Posted by bobtiji

Speed Sensor
-Simply undo the electrical sensor on the P11 and replace it with the B13 sensor.
*This is for 91-93 cars with mechanical speedometers. I do not know if the P11 sensor is compatible with the electronic speedometers in the B13.

Drain/Fill Plug
-The P11 uses a 10mm allen to remove the fill plug and a 14mm allen for the drain plug vs. the B13's 3/8" and 1/2" tools.

Sensors
-The reverse and neutral position sensor from the B13 are sized differently than the P11 sensors and can't be swapped. The harnesses are also different.
*I've yet to tackle this, but I plan on rewiring my B13 with the correct harnesses to fit the P11 sensors. Stay tuned for wiring details and part numbers.

Shifter rod/stabalizer
-This is where it becomes not quite a bolt on affair. On the P11 the shifter stabalizer mounts to the trans, where as on the B13 it mounts to the rear motor mount.
-Remove the bracket from the trans.

-Because of this difference the shifter rod sits further to the passenger side and interferes with the B13 stabalizer rod mount.
-This requires some major grinding and is alot easier to do with the trans out of the car. I grinded enough off until I could get the trans to bolt up.
-I thought I had grinded enough off, until I bolted up the rear mount. With the motor in its final position, the stabalizer mount was still hitting on the shifter rod.
-I trimmed a little off the shifter rod until it fit.
*This was the hardest part of the whole install, but overall not that difficult. Pictures coming soon.

Hope this helps people contemplating the swap. This will be my 4th trans since March, so I was willing to try something a little different. Slow96R, SR20Turbofreak, and javierb14 have had good luck with this trans and big power, so I hope it works out for me. :biggthump

EDIT:
B14 - From what Slow96R told me, you need to do the same modifications for a B14.

P10 - From what SR20Turbofreak told me, on a P10 you won't have a clearance problem with the stabilizer mount. This is because the P10 uses a different crossmember that sits more to the passenger side giving you the clearance you need.

[/QUOTE]

so i swap my b13 mechanical sensor into the p11 tranny and my speedometer should work ??

stratton.

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if ruled the world and everything in it, skys the limit id push the q 4 5 infinit....

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2008-03-08 17:56:06

#15

Nismo1997

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so i swap my b13 mechanical sensor into the p11 tranny and my speedometer should work ??

stratton.

Yes, be easy when removing it. They break easy.

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Nick
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2008-03-08 17:57:42

#16

STRATTON

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yup, thanks nick.

stratton.

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if ruled the world and everything in it, skys the limit id push the q 4 5 infinit....

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2008-04-26 01:18:42

#17

STRATTON

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can some one post exactly were they grinded ? i griding some of the bracket, but im thinking possibly i may have to grind more, but where ?

under neath the car looking at it the shifter bar doesnt hit the stabilizer, but while driving the car it must, because 3 and 4 are a bitch to get in etc and sometimes it gets stuck in or out of gear. im thinking maybe under load or when the car/chassis and rods flex and bend they must touch. im hoping its linkage related and nothing to do with the tranny internally.

some one please let me know.

stratton.

so

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if ruled the world and everything in it, skys the limit id push the q 4 5 infinit....

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2008-04-26 01:31:57

#18

jer_760

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Have you gone through every page of the how to on the old forum? I'm pretty sure I remember seeing a pic of where it was ground down on one of the pages.

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2008-04-26 10:47:40

#19

STRATTON

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thanks jer.

stratton.

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if ruled the world and everything in it, skys the limit id push the q 4 5 infinit....

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2008-04-29 22:03:16

#20

project_SX Online/offline status of project_SX is unknown

White 96 B14 200sx

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Is it not possible to use the hydrolic lines to engage the clutch by swapping over the p11 clutch pedal? and along with it swap over the brake pedal. Or would this be more work?

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96 Nissan 200sx SE Mods: Alpine//Tein//Stillen//HKS//APEXI//SPEARCO//FIDANZA//PROTHANE//WALBRO//MAGNAFLOW//Mtec//Brembo//MOMO

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