How To Put A QR B15 6 Speed Tranny In Your Car - SR20 Forum
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post #1 of 461 (permalink) Old 10-26-2006, 08:48 AM Thread Starter
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How To Put A QR B15 6 Speed Tranny In Your Car

Parts list

Spec V tranny 02-06
Spec V axles
Spec V spindles if you have a B13 or B14, Not needed for B15, P10 or P11
SpeC V shifter and shifter cable
Spec V master cylinder, not need for P11
Spec V Hydralic line, not need for P11
Spec V clutch pedal, not needed for P11
Spec V tranny mount driverside, need to make proper mount on B13, B14 and P10
Spec V rear tranny mount, need to make proper mount on B13, B14 and P10
Spec V rear Tranny mount bracket, need to make proper mount bracket on B13, B14 and P10

Make sure the guys at the junk yard dont break anything as the remove the parts

Axle bracket for P12, order from Greg V
Bell housing for P12 20V tranny, order from Greg V

JWT Flywheel for 6 speed tranny on SR20DE also known as S15 flywheel
300zx TT 250mm clutch for turbo cars and 240mm clutch for NA cars


If you are NA use the 02-03 Spec V tranny.
If you have Turbo use the 04-06 Spec V tranny.

If you have a P11 car this is a very easy install. I dont even need to give instructions

If you have a P10 it is also easy but you wll have to put the Spec V clutch pedal in and convert to hydralic. You will also have to make an engine mount for the tranny passenger side.

B13 and B14s are a little harder.

You will need to convert to hydralic and also convert the B15 spindals from 4x114 to 4x100. There are many ways to do this, One way is to punch out the bolts, weld the holes shut and have the new holes drilled for 4x100. You should also be able to punch out the bolts and just redrill new holes making the hub a 8 hole patern with 4x100 and 4x114.

I have never tried this part but you might be ableto press out the center from the B15 and press it into the B13-B14. I havenot tried this so I dont know but should work.

On the B13 and B14s you will also need to trim a pc off of the cradle. This trimming will nee to be about 1.5inch deep and 3 inch long. This can be done by lining up the stock trany in the car then measurig the diffrence of the 6 speed tranny. Once done take tanny out cut and weld back in suport pc.

Anyway all said and done an easy install.

What are the benifits of this install?

1. Way stronger transmission.
2. Much better fuel milage on the highway.
3. Much better clutch selections 240mm and 250mm (215 for or cars)
4. Less chance of thrust bearing failure because of less clamping force by clutch


Spec-v 02-03_____MPH______RPM DROP AFTER SHIFT.

this is with 205/50r15 tires


1 : 3.417:1______36.3 _____1-2 4551
2 : 1.944:1______63.7______2-3 5176
3 : 1.258:1______98.6______3-4 6022
4 : 0.947:1______130.9_____4-5 6530
5 : 0.773:1______160.4_____5-6 6520
6 : 0.630:1______196.8
Final drive : 4.429:1
2439rpm @ 60mph

spec v 04-06

1st: 3.153_______42.1_______1-2 4932
2nd: 1.944_______68.3_______2-3 5728
3rd: 1.392 _______95.4_______3-4 6063
4th: 1.055_______125.9______4-5 6134
5th: 0.809 _______164.2______5-6 6655
6th: 0.673_______197.4
Reverse: 3.002
Final drive 4.133
2431rpm @ 60mph

05 Maxima HLSD ( Great NA Street Box On Street Tires )

1st 3.153 = 13.031___42.36mph
2nd 1.944 = 8.034____68.71
3rd 1.392 = 5.753____95.95
4th 1.055 = 4.360____126.6
5th 0.809 = 3.343____165.13
6th 0.630 = 2.604____211.98
Reverse 3.002
Final Gear 4.133_______2264rpm @ 60 mph

Toyota Celica GTS/ Matrix XRS (This Is A Great NA Box For Slicks )

1 : 3.166:1 = 14.333____38.51mph__5181rpm
2 : 2.050:1 = 9.284_____59.46_____5779
3 : 1.481:1 = 6.707_____82.30_____6299
4 : 1.166:1 = 5.281_____104.53____6283
5 : 0.916:1 = 4.148_____133.08____6522
6 : 0.725:1 = 3.382_____163.22
Final drive : 4.529:1________2941rpm @ 60 mph

Tibiron gear ratios ( Great Street NA Gear Box )

1. 3.153 = 13.961_____39.54mph___4932
2. 1.944 = 8.608______64.13______5485
3. 1.333 = 5.902______93.53______6331
4. 1.055 = 4.671______118.18_____6499
5. 0.857 = 3.795______145.46_____6570
6. 0.704 = 3.117______177.10
Reverse 3.002
Final gear ratio 4.428_______2711mph @ 60 mph

If you need any help with your car and you cant solve the problem, call me at 305-282-3643

Overcome With Love And Life, With Truth and Right, So Seek Happiness Before Vengence

Last edited by Andreas Miko; 11-08-2006 at 06:22 AM.
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post #2 of 461 (permalink) Old 10-26-2006, 09:03 AM
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Nice right up this should be a sticky.

Matt

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Silver B14- DD with some goodies

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post #3 of 461 (permalink) Old 10-26-2006, 09:39 AM
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Do you know the approximate prices on the bellhousing and axel bracket?

2000 Black Sentra SE w/aPP
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post #4 of 461 (permalink) Old 10-26-2006, 09:40 AM Thread Starter
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$300 for bell housing
$75 for bracket

If you need any help with your car and you cant solve the problem, call me at 305-282-3643

Overcome With Love And Life, With Truth and Right, So Seek Happiness Before Vengence
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post #5 of 461 (permalink) Old 10-26-2006, 09:43 AM
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Wow on a b15 this could be done for close to $1500. Very interesting.

edit: i forgot to add in clutch and fly

2000 Black Sentra SE w/aPP

Last edited by turco; 10-26-2006 at 09:45 AM.
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post #6 of 461 (permalink) Old 10-26-2006, 09:49 AM Thread Starter
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Flywheel will be about $420
Factory Nissan Clutch will be about $200-$300

$300 for bell housing
$75 for bracket

Complete Spec V setup should be $700-$900

If you need any help with your car and you cant solve the problem, call me at 305-282-3643

Overcome With Love And Life, With Truth and Right, So Seek Happiness Before Vengence
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post #7 of 461 (permalink) Old 10-26-2006, 09:51 AM Thread Starter
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For anyone wanting the factory 20V clutch and flywheel for a NA setup and they want to save money.

I have one factory Nissan 6 speed 20V 240mm clutch and 20V flywheel for $350

If you need any help with your car and you cant solve the problem, call me at 305-282-3643

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post #8 of 461 (permalink) Old 10-26-2006, 09:51 AM
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Quote:
Originally Posted by Andreas Miko
Flywheel will be about $420
Factory Nissan Clutch will be about $200-$300

$300 for bell housing
$75 for bracket

Complete Spec V setup should be $700-$900
+axels about $60-70x2 = ~120-140

Great info Andreas, definitely sticky material.

2000 Black Sentra SE w/aPP
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post #9 of 461 (permalink) Old 10-26-2006, 09:52 AM Thread Starter
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Quote:
Originally Posted by turco
+axels about $60-70x2 = ~120-140
The price above is including axles. You an buy axles used for $60-$70 for the pair.

If you need any help with your car and you cant solve the problem, call me at 305-282-3643

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post #10 of 461 (permalink) Old 10-26-2006, 09:53 AM
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Thanks for the info. You're one of the reasons I love this forum.

Cradle = crossmember?

Forgive me, I'm still a hack.
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post #11 of 461 (permalink) Old 10-26-2006, 09:56 AM
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I wanna see pics!

this is giving me very bad ideas!

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post #12 of 461 (permalink) Old 10-26-2006, 10:00 AM Thread Starter
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Quote:
Originally Posted by Hammerin Hank
Thanks for the info. You're one of the reasons I love this forum.

Cradle = crossmember?

Forgive me, I'm still a hack.
crossmember = crossmember

Cradle = subframe

If you need any help with your car and you cant solve the problem, call me at 305-282-3643

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post #13 of 461 (permalink) Old 10-26-2006, 10:10 AM
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Nevermind I found it

Last edited by SSRSER; 10-26-2006 at 10:12 AM.
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post #14 of 461 (permalink) Old 10-26-2006, 10:10 AM
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I was looking up the transmission codes and the FSMs have this listed:
02 Spec-V RS6F51H
03 Spec-V RS6F51A
05 Spec-V RS6F51A

Andreas can you give some advice one which codes to look for when trying to find the correct transmission?

Thanks agian.

2000 Black Sentra SE w/aPP
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post #15 of 461 (permalink) Old 10-26-2006, 10:14 AM Thread Starter
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Quote:
Originally Posted by turco
I was looking up the transmission codes and the FSMs have this listed:
02 Spec-V RS6F51H
03 Spec-V RS6F51A
05 Spec-V RS6F51A

Andreas can you give some advice one which codes to look for when trying to find the correct transmission?

Thanks agian.
Do you know what you are looking for. Read the thread and you will find the answer. If not ask the question again.

Forget about the FSM.

If you need any help with your car and you cant solve the problem, call me at 305-282-3643

Overcome With Love And Life, With Truth and Right, So Seek Happiness Before Vengence

Last edited by Andreas Miko; 10-26-2006 at 10:15 AM.
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post #16 of 461 (permalink) Old 10-26-2006, 10:17 AM Thread Starter
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Can somone get the gear ratios for the 02-03 Spec V and for the 04-06 Spec V please include the final drive. I will then add it to the front page.

If you need any help with your car and you cant solve the problem, call me at 305-282-3643

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post #17 of 461 (permalink) Old 10-26-2006, 10:20 AM
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You said the 02-03 spec tranny has different gearing from the 04-06 spec tranny. I would think that would denote a different transmission code, I could be wrong but there does seem to be two different codes.

When I was looking through the FSM to find the transmission code they listed those codes for those years for the SE-R Spec-V. So if someone were to order a transmission online or over the phone they could specifically ask for the code in case the transmission is not in the car. 02-03 did have an SE-R NON Spec-V with a manual transmission with a different code. I just want to make sure it was clarified so no one bought the wrong transmission

2000 Black Sentra SE w/aPP
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post #18 of 461 (permalink) Old 10-26-2006, 10:58 AM
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Spec-v 02-03_____MPH______RPM DROP AFTER SHIFT.

1 : 3.417:1______36.3 _____1-2 4551
2 : 1.944:1______63.7______2-3 5176
3 : 1.258:1______98.6______3-4 6022
4 : 0.947:1______130.9_____4-5 6530
5 : 0.773:1______160.4_____5-6 6520
6 : 0.630:1______196.8
Final drive : 4.429:1
2439rpm @ 60mph

spec v 04-06

1st: 3.153_______42.1_______1-2 4932
2nd: 1.944_______68.3_______2-3 5728
3rd: 1.392 _______95.4_______3-4 6063
4th: 1.055_______125.9______4-5 6134
5th: 0.809 _______164.2______5-6 6655
6th: 0.673_______197.4
Reverse: 3.002
Final drive 4.133
2431rpm @ 60mph

04-06 spec v with 02-03 4.429 final drive

1st: 3.153_______39.3______1-2 4932
2nd: 1.944_______63.8______2-3 5728
3rd: 1.392_______89.1______3-4 6063
4th: 1.055_______117.5_____4-5 6134
5th: 0.809_______153.2_____5-6 6655
6th: 0.673_______184.2
Reverse: 3.002
Final drive 4.429
2605rpm @ 60mph


SPEEDS ARE WITH A 205/50r15 TIRE, RPMs are set for 8000

Last edited by SR20Turbofreak; 10-26-2006 at 11:54 AM.
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post #19 of 461 (permalink) Old 10-26-2006, 11:05 AM Thread Starter
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What RPM are you MPH numbers at

If you need any help with your car and you cant solve the problem, call me at 305-282-3643

Overcome With Love And Life, With Truth and Right, So Seek Happiness Before Vengence

Last edited by Andreas Miko; 10-26-2006 at 01:52 PM.
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post #20 of 461 (permalink) Old 10-26-2006, 11:09 AM
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they are at 8000rpm
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