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Old 06-10-2014, 09:30 PM   #1 (permalink)
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How to install LSD in your honda civic manual tranny

I picked up a cx/vx/hx? tranny from fellow ecomodder SLOWNUGLY in PA. This is the one with the final drive of 3.25 that should get me stupid good mpg's on the highway! (my world record tank right now is just over 43mpg, and I lean burn, but I'm running an LX manual tranny)

this is my video of the LSD install into the pinion:


HOW TO INSTALL LSD IN YOUR MANUAL HONDA TRANNY - YouTube

I picked the lsd block up for about $115 on ebay, free shipping. Also got a new bearing and seal set from ebay for the same money (the only part of the bearing set that I don't like are the driveshaft seals, but you can get thru your first flush before they will start to weep, then I go to Honda parts online)

This is a how - to thread, so this is how I did (assuming you already got the pinion out of the tranny):

Push the pin out from the back side of the pinion (I used a 3 1/4" nail - watch the video)

push the center bar out of the pinion and remove the gears and washers

THIS IS THE HARD / IMPORTANT PART:

(The LSD block rides between the gears on the top and bottom)

The gears that sit at the top and bottom of the pinion will need to be ground down. notice that these gears have a raised edge for the washer that it rides on? DON'T TOUCH IT!!!
Flip the gear over. There are letters stamped into the teeth aound the gear. That's the side that you grind to make clearance for the Lsd block. Take your time. Grind them evenly (I don't have access to anything precise, so I used a flap-wheel grinder and kept checking with a straight edge & micrometer ) TRY AND PUT IT TOGETHER AFTER EVERY SET OF GRINDS SO YOU DON'T GO TOO FAR. When it goes, it goes.

Then you can take it back out, and get the side gears and their washers, and set them in place between the top and bottom gears. Look at it from both sides and make sure it is straight, and spin the assembly around to where you are about to put the pin back thru, and install the LSD block again, this time you run the pin thru the pinion body, gears, washers, and LSD block. Knock the roll pin to lock the bar in place, and you've got LSD.

This makes a lot more sense if you watch the video I posted the link to above

I'll post pics later. Enjoy!

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Old 06-10-2014, 09:39 PM   #2 (permalink)
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LSD = Locked Solid Differential?
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Old 06-10-2014, 09:51 PM   #3 (permalink)
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Quote:
Originally Posted by Old Tele man View Post
LSD = Locked Solid Differential?
LIMITED SLIP DIFFERENTIAL - no more torque steer, driving in the snow / wet is more fun!

Picture a rear drive pickup truck at a stop light in the snow, and he guns it - the whole rear end will squirrel out if he has limited slip: \\\\\\\\ My honda's front end can do that! (I like how it pulls me straight, though)
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Old 06-10-2014, 09:59 PM   #4 (permalink)
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So, this prevents the wheels from turning at different speeds?
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Old 06-10-2014, 10:01 PM   #5 (permalink)
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He said its a block that goes between the gears. Blocks dont slip unless you grind the teeth? Most LSD are more than 115 bucks, even from ebay. 115 bucks may not even cover shipping for most lsd's.

Quote:
Originally Posted by vrmouseyd15b View Post
LIMITED SLIP DIFFERENTIAL - no more torque steer, driving in the snow / wet is more fun!
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Old 06-10-2014, 10:07 PM   #6 (permalink)
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Quote:
Originally Posted by Cobb View Post
He said its a block that goes between the gears. Blocks dont slip unless you grind the teeth? Most LSD are more than 115 bucks, even from ebay. 115 bucks may not even cover shipping for most lsd's.
It's no quaife, I had to pay for it with my own money!!!

It's limited slip - the wheels can travel at different speeds (turning, dumping the clutch) but for the most part they are locked together

here:
http://pages.ebay.com/motors/link/?n...267923&alt=web
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Old 06-10-2014, 10:14 PM   #7 (permalink)
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It makes more sense if you watch the video. I show how the pinion allows slip to the driver wheel in the stock setup, and how it doesn't with the LSD in place.
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Old 06-10-2014, 10:18 PM   #8 (permalink)
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I couldnt get the video to play or buffer up.

Instructions unclear, penis stuck in second hole.



Thats not any part of a limited slip I have seen.
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Old 06-10-2014, 10:22 PM   #9 (permalink)
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skidmark - super snail - '89 honda civic wagon WAGOVAN
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this is the complete pinion with LSD block installed




this is the gear(there are 2) that you have to grind

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Old 06-10-2014, 10:24 PM   #10 (permalink)
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MECHITA - '03 hyundai elantra GT
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skidmark - super snail - '89 honda civic wagon WAGOVAN
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90 day: 30.87 mpg (US)
Thanks: 185
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this is the empty pinion - you can see where the pin that locks the guts is on the top right


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