Trans binds, GSR-> Ls case internal swap - Team Integra Forums - Team Integra
 
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post #1 of 12 (permalink) Old 09-22-2008, 07:32 PM Thread Starter
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yesterday I was at the drag strip and broke a tooth of my LS dif.
I was in a bind and 70+ miles away from home, so I had bought a gsr trans with a bad bellhousing.
I began swapping all the internals over from the gsr hydro trans to the LS hydro case and noticed the bearings on the gsr dif were different so I swapped the races in as well.

I got the rest of the trans together. snap ring in place and trans all back together it spun freely and shifted like normal.

after getting it in the car and starting it, it was making a loud chugging noise like a rod knock.
it does it in neutral/and speeds up as trans speed increases.
the trans also doesnt want to go into gears very easily, at all. reverse takes a good ten trys before it engages hard.
Im just wondering if there was anything I needed to swap over from the GSR case that I might not have that could cause this problem.
Id appreciate the help and if anyone has any experience with trans swaps of this nature or anything similar please post.
thanks.

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post #2 of 12 (permalink) Old 09-23-2008, 11:13 AM
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wow, that sounds like a PITA. are you sure that tooth that broke off isn't still inside your case somewhere?? Any chance you could have put something in upside down or backwards??
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post #3 of 12 (permalink) Old 09-23-2008, 11:33 AM
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Hmm... I know that when you swap GSR hydro internals into a cable LS case, you have to shave some of the webbing off of the inside of the case before installing the differential, but I don't know if it's the same for a hydro LS case. It's near the bottom of this page... If the internal webbing between the hydro and cable cases are different, then just ignore me.
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post #4 of 12 (permalink) Old 09-23-2008, 11:40 AM
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Did you shim the tranny for clearances!?!!!?!!!
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post #5 of 12 (permalink) Old 09-23-2008, 12:17 PM Thread Starter
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I just used the stock shims under the mainshaft from the LS case.
and where the gsr dif bearing races are pressed in they are backed against a pair of shims, those were also installed.

as for the trans cases being different there was no noticable difference other than the dif carrier bearings.
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post #6 of 12 (permalink) Old 09-23-2008, 12:24 PM
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Quote:
Originally Posted by JDMB20TDA on Sep/23/08
I just used the stock shims under the mainshaft from the LS case.
and where the gsr dif bearing races are pressed in they are backed against a pair of shims, those were also installed.

as for the trans cases being different there was no noticable difference other than the dif carrier bearings.

HOLY SHIT BALLZ! you gotta re-tolerance the case!!! those shims could be TOTALLY WRoNG for your gearset in a different case! You could be way too lose or too tight, who knows!

You should convert the GSR diff from tapered roller bearings to b16/LS style ball bearings.
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post #7 of 12 (permalink) Old 09-23-2008, 12:35 PM
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lol you built a tranny at a drag strip and you were doing it in a rush what do you expect? i bet if you took it apart and reassembled everything again, taking your time it would be just fine.
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post #8 of 12 (permalink) Old 09-23-2008, 01:38 PM Thread Starter
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Im going to pull the trans again, swap the GSR FD and the LS sealed bearings, along with all the LS gearsets. the thing is shifting like garbage, so I figure its best to just use my old nice smooth Ls set.
as far as rocking the GSR FD what kinda ratio difference would that give me?
and how could I pull carrier beaings w/o them exploding?
thanks a lot guys, Ive pulled tranny apart and rebuilt them before but im no pro when it comes to internal swaps and what not.
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post #9 of 12 (permalink) Old 09-24-2008, 10:49 PM Thread Starter
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still had shims in from the ls sealed bearings. trans is back to 100% ls and spins freely, Ill have it all installed 2marro and well hope it shifts better .
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post #10 of 12 (permalink) Old 09-24-2008, 11:32 PM
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Quote:
Originally Posted by JDMB20TDA on Sep/23/08
GSR FD what kinda ratio difference would that give me?
4.40 vs 4.26


You need a helms to properly shim a trans gearset to a case. The cases are cast and are all different thats why honda has like A-J shims to fit the gearsets to the case. Its not a "bolt er tothether" type of deal. You'll ruin bearings super fast if they are not toleranced right. You may even crack a case if they are too tight.

GSR differentials are even harder because of the tapered roller design. I wont even waste my time to try to shim them. They require a lot more knowledge because there is pre load on the bearings. Most guys convert to ball bearings because they are easier to assemble and they are better for high hp apps anyways.
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post #11 of 12 (permalink) Old 02-06-2019, 08:42 AM
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Back from the dead!!!!!!

JDMB20TDA

You had me reading your post hoping there was a solution in the end

What happened after you re installed the parts did the conversion work for you ??
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post #12 of 12 (permalink) Old 02-06-2019, 09:25 AM
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Quote:
Originally Posted by Mansuelo View Post
Back from the dead!!!!!!

JDMB20TDA

You had me reading your post hoping there was a solution in the end

What happened after you re installed the parts did the conversion work for you ??
He hasn't logged in since 2011 (8yrs ago). Just a hunch, but I doubt he'll reply.





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