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B-series axle combinations and information

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B-series axle combinations and information

Postby jfrolang » Sun Feb 10, 2008 9:33 am

Here I will attempt to address any and all issues that come up when trying to figure out what axles to buy for your B-series swap in an 88-91 CRX.

Ultimately, it doesn't matter what B-series engine or transmission you have installed in your car, the axle fitment comes down to the intermediate shaft that you have. For the transmission side of the car, any 1990-2001 Integra non-ABS axle will fit. If you have ABS axles you'll just need to remove the ABS ring; knock it off with a chisel and a hammer. The driver's side is where it gets tricky.


If you have a 1st gen (OBD-0) B16A swap that came with a Y1 transmission, you very likely have a Y1/SH3 intermediate shaft. Or, if you have discovered that 1990-1993 Integra axles don't fit or bind on the driver's side, you probably have a Y1/SH3 intermediate shaft. In this case, you have a few options for a new driver's side axle.

    1. If you already have the appropriate length Y1 (SiR) driver's side axle, you can buy new CV joint components for a 1990-1993 Integra and rebuild your current axle.

    2. You can build a custom driveshaft using an 88-89 Integra axle with a 90-93 Integra outboard CV joint.

    3. You can call Raxles and order hybrid swap axles. The part number is RAXBGEN4Y1. They will only sell these as a pair, and the cost is $320 for both axles. Much overpriced in my opinion, but it's one of the only places you can buy an SiR driver's side axle rebuilt with new components.

    4. You can buy a 90-93 or 94-01 Integra intermediate shaft and buy a driver's side Integra axle of the same year. If you go this route, you must get a 5-speed mid-shaft, automatics won't work. Also, if you're using a 94+ mid-shaft on a cable transmission, you'll need a new 94+ seal where it enters the tranny. The Honda part number for this seal is 91205-PL3-A01.

Ok, now with that out of the way, there are only two other varieties of intermediate shaft. The most common is the 1990-1993 Integra, in which case you simply use 90-93 Integra axles. If your swap has a cable transmission other than a Y1 (S1, A1, J1, YS1) then you probably have one of these.

The other variety is the 94+ Integra intermediate shaft, which is very easy to spot because it has a male end on both sides. If you bought a swap which came with a hydraulic transmission you most likely have one of these. In this case, 1994-2001 Integra axles will work.
Image


If your swap was pieced together, or if you are unable to determine which intermediate shaft is in your car, here's how you can tell:

The SiR (Y1) intermediate shaft is on top, the 90-93 Integra intermediate shaft is on the bottom.
Image
Image

The Y1/SiR intermediate shaft is stamped "SH3" above the female end, and the 90-93 Integra mid-shaft is stamped "SK7-J" in the same spot. It's hard to see in this picture, but this one says SH3.
Image

You can break out the measuring tape too, this is an SH3. An SK7-J shaft is about 5/8" shorter.
Image


*A note for HF cars: If you are doing a B-series swap into a CRX HF, you will need to upgrade your knuckles. It's a good idea not just for the brake upgrade, but because the HF hubs simply won't accept the larger B-series axles. Knuckles from a CRX Si, 90/91 Civic Ex or 90-93 Integra are all solid choices.

*A note for 90-93 Integra intermediate shafts: The SK7-J is the manual transmission variety that you need. An SK7-N is for an automatic.

If you are having trouble seating the axles into the hubs when using CRX Dx or Si knuckles, first make sure there is no ABS ring on the axle, and then remove the dust shield from the inside of the hub. It pops off with a screwdriver.
Last edited by jfrolang on Sun Feb 10, 2008 3:10 pm, edited 6 times in total.
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Postby nylumiro24 » Sun Feb 10, 2008 9:41 am

Good info...
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Postby downest » Sun Feb 10, 2008 10:57 am

jfro finally did a tech write up!!! Guess I need to finish my brake article...
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Postby reydio » Sun Feb 10, 2008 12:27 pm

Very good info jfro, thanks!!! this should be sticky or put in How to Articles.
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Postby ComposiMo » Sun Feb 10, 2008 12:36 pm

Also, if you have an older tranny, and somehow get a hold of a 94+ intermediate shaft, you'll NEED to change out the seal in the tranny for the intermediate shaft. its a slightly different size, and will leak out fluid.

Also, be VERY aware what intermediate shaft you buy... automatic transmissions use a different int shaft that won't bolt up to a manual transmission.
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Postby bittles110 » Sun Feb 10, 2008 1:15 pm

Thank you very much for putting this together jfrolang!

ComposiMo wrote:Also, if you have an older tranny, and somehow get a hold of a 94+ intermediate shaft, you'll NEED to change out the seal in the tranny for the intermediate shaft. its a slightly different size, and will leak out fluid.

Happen to have a P/N or application so I can get the correct seal?
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Postby jfrolang » Sun Feb 10, 2008 3:12 pm

reydio wrote:Very good info jfro, thanks!!! this should be sticky or put in How to Articles.

Yup, I've already added it to the FAQ. :)
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Postby ibcnya » Fri Mar 28, 2008 11:41 pm

ComposiMo wrote:Also, be VERY aware what intermediate shaft you buy... automatic transmissions use a different int shaft that won't bolt up to a manual transmission.


This is so true as I leaned the hard way tonight.

90-93 Ls halfshaft stamped numbers

Auto--SK7-N
Manual--SK7-J

If youre having problems aligning your trans to fit your shaft and block you probally have an auto shaft. It will never work. The auto sits futher off the back of the block than the manual one does.

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Postby TypeR_Turbo » Sat Mar 29, 2008 2:14 am

awesome info, rly could of used this about a month ago when i was googleing like an idiot to find out what i needed to about axles for a b swap lol
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Postby crxkiller88 » Sat Mar 29, 2008 11:56 am

Since were on the topic.... I have a swap done in my car and the passenger side axle boot pulls off and comes loose right after i put it one and drive the car. the boot stays on but is loose. I believe i have integra from 92 or something like that...... has anyone ever had this problem before. Thanks
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Postby jfish360 » Sat Mar 29, 2008 12:22 pm

The boot or the axle? Theres also a retaining clip on the axle is yours in?
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Postby jfrolang » Sat Mar 29, 2008 3:29 pm

crxkiller88 wrote:Since were on the topic.... I have a swap done in my car and the passenger side axle boot pulls off and comes loose right after i put it one and drive the car. the boot stays on but is loose. I believe i have integra from 92 or something like that...... has anyone ever had this problem before. Thanks

There are metal straps that hold the boots in place, sounds like one of them is loose. I believe that you can buy those straps separately, but I don't know if you need any special tools to install them. I've never rebuilt an axle.
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Postby bad306lx » Sat Mar 29, 2008 4:27 pm

This may be a retarded question, but where is this intermediate shaft? I just re-installed my stock axles after putting a new motor in, and all there is is a driver and passenger axle?
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Postby jfrolang » Sat Mar 29, 2008 5:25 pm

bad306lx wrote:This may be a retarded question, but where is this intermediate shaft? I just re-installed my stock axles after putting a new motor in, and all there is is a driver and passenger axle?

D-series engines generally don't have intermediate shafts, the one exception is the JDM ZC drivetrain. You have a longer driver's side axle to make up the difference.
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Postby crxkiller88 » Sat Mar 29, 2008 10:52 pm

No but its not just the metal straps cause i replaced the axle and it did it again....
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Postby jfrolang » Sat Mar 29, 2008 11:11 pm

Where are you getting your axles? Nothing rubs on the axles or boots to make it come loose.
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Postby crxkiller88 » Sat Mar 29, 2008 11:15 pm

I got it from car quest.. no nothing rubs. It just pulls off then grease squirts everywhere.
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Postby jfrolang » Sat Mar 29, 2008 11:33 pm

The only thing I can think of is that they are getting bad axles. Once is a fluke, twice is a problem.
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Postby crxkiller88 » Sat Mar 29, 2008 11:44 pm

same thing i was thinking....i talk to a guy and he said he has the right axle so im gonna pull it off sometime this week and put them next to each other and maybe ive got the wrong one....at least im hopeing cause if not i got a problem. i see you posting all the time... oyu have any ideas on my timing problem post i just put up on the modification garage? Thanks for the help.
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Postby border919 » Sat Nov 22, 2008 9:18 am

so if i have a b16a wth stock lsd trans and the crx sir axles.i can use any 90-2000 integra non abs axle?
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Postby jfrolang » Sat Nov 22, 2008 9:13 pm

border919 wrote:so if i have a b16a wth stock lsd trans and the crx sir axles.i can use any 90-2000 integra non abs axle?

On the passenger side yes, but a driver's side Integra axle won't fit with the SiR intermediate shaft.
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Postby 89CRXHF » Thu Nov 27, 2008 6:30 pm

I just realize that the intermediate shaft that I got is for auto because it is stamped SK7-N, will this work on manual tranny?
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Postby jfrolang » Fri Nov 28, 2008 12:22 am

No, you need a manual transmission intermediate shaft.
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Postby 89CRXHF » Fri Nov 28, 2008 12:48 am

jfrolang wrote:No, you need a manual transmission intermediate shaft.

Whats the difference?
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Postby jfrolang » Fri Nov 28, 2008 1:34 am

The auto trans must put the diff in a slightly different location, an A/T intermediate shaft won't line up with the holes on the block when used with a manual transmission.
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