Basically I bought B16 transmission internals and a Kazz 1.5 way differential and I am installing it in an LS transmission case. I took the LS transmission apart and used the LS final drive and torqued it to spec to the differential. Dropped the diff in and closed the case and ordered the right shim for the correct clearances. The clearances on the differential are to spec. When I went to install everything I ran into 2 problems...

1. The bolts for the ring gear on the differential are rubbing on the 1st gear. The bolts are sitting about .7 mm higher than the ring gear.







2. The LS 3-4 shift fork will not sit in the sleeve of the B16 3-4 gear.



The only thing that I can think of for the bolts is to grind them down till they sit flush with the ring gear. Whats your guy's input on this??

Also, I've done a little research about the shift forks and I have heard that the 3-4 LS shift fork is the only shift fork that won't fit with the B16 3-4 gear selector. Correct me if I'm wrong.

Any input would be highly appreciated!!!

-Chris

 

Can't see pics (on vacation not on my computer) but the ring gear should be flipped upside down if you will. The countershaft will sit higher once the trans is assembled. o not grind the bolts. You need a BVTEC 3/4 fork. LS uses a smaller 3/4 hub/slider/synchros/fork than the BVTECs.

 

When you see the pics you will understand. The ring gear is flipped and all the bolts are torqued. It is my understanding that the differential doesnt really have preload, you just need to set the thrust clearance. I got the correct shim and the thrust clearances are to spec.

As for the shift fork, I matched the part numbers and the LS is the only one with a different part number than the GSR and SI. I'm ordering the shift fork.

I measured the difference from the top of the ring gear to the top of the bolts and the bolts sit 0.063 inches higher than the ring gear. Is that normal?

 

Is there a shim that sits at the bottom of the countershaft?

 

No. The snap ring that fits in the groove in the top countershaft bearing holds it up.

 

I'll try viewing from another computer tomorrow as this one isn't loading pics on H-T.

 

once the CS it locked into place, the clearance SHOULD be fine.

 

As said before, when the countershaft is locked into place, you'll get all the clearance you are looking for. And it seems you found a solution to your 3-4th fork issue.

 

Thats the thing. The countershaft is locked into place as well as the differential and the main shaft. everything is sitting at its lowest point in the case. Unless when the case is closed the clearances are greater...but i dont see how thats possible. And I cant measure the clearances fromt the ring gear bolts to the first gear with the case closed.

As for the shiftfork, I need a b-series vtec 3-4 shift fork if anybody has one up for sale.

BTW this is my first time inside a honda transmission. lol.

 

With the case closed and snap ring seated the CS will sit higher. You can use clay to check the clearance if you snap the CS in to the case then close the case.

 

I fell stupid now. I didn't even think about the snap ring that sits at the top of the counter shaft. And clay? How would I go about that?

 

I have had this exact issue . With a kazz I used to run .
I had to have the bolts turned down with a lathe . .
I believe it was like 1 or 2 mm .

Or just sand them with a grinder ..??

 

How much higher will the CS sit? 1mm or less?

 

about 2mm

No issues with my Kaaz SOHC and a DOHC I installed for a SCCA customer this spring.