L 5 speed to M.Y

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rtcb65
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L 5 speed to M.Y

Post by rtcb65 » Tue Sep 23, 2008 7:12 pm

I am going to have a go at fitting a 5 speed out of a l series into my M.Y. wagon. I have looked at a few threads on the subject , but there has been a few disagreements on the subject.
I have the gear box and the diff. I have checked the flywheel in my M.Y. and it is a 225 diameter . The clutch plate out of the L is the same size. Could they be combined to fix the input spline problem.

The clutch cable in the M.Y. seems to be way to short and the l series is way different. Any one have an answers for this.

And i have read that there is a difference to do with the starter as well.

Can any one help out . .

All info about the entire conversion will help a great deal as we will know how to do it in the future for other projects.

Thanks for any assist .

Rick
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Post by Xtreme_RX » Tue Sep 23, 2008 7:23 pm

Use the 'L' series cable.
You need to modify the 'MY' pedal assembly to accept the 'L' series cable.
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Post by Outback bloke » Tue Sep 23, 2008 7:36 pm

rtcb65 wrote:I am going to have a go at fitting a 5 speed out of a l series into my M.Y. wagon. I have looked at a few threads on the subject , but there has been a few disagreements on the subject.
I have the gear box and the diff. I have checked the flywheel in my M.Y. and it is a 225 diameter . The clutch plate out of the L is the same size. Could they be combined to fix the input spline problem.

Yes. You use the MY fly wheel, L clutch, pressure plate and throw out bearing. You do have to machine the fly wheel though as there is 1.5mm difference in height. The bit that gets machined is the part where the bolt holes are for the pressure plate to bolt to. You have to take out the locating dowels to do this.

The clutch cable in the M.Y. seems to be way to short and the l series is way different. Any one have an answers for this.

Yes, fit an L series pedal box or modify the MY one to look like the L.

And i have read that there is a difference to do with the starter as well.

I don't remember about the starter. The low range light switches differently to the MY and just requires a bit of mucking around with wires. Tailshaft is a different length.

Can any one help out . .

All info about the entire conversion will help a great deal as we will know how to do it in the future for other projects.

Thanks for any assist .

Rick
See replies in blue above. Hope that helps.

Jeff

Post by Jeff » Tue Sep 23, 2008 8:23 pm

You need to space the starter motor away from the bellhousing [ a thick washer on each bolt usually works] otherwise the starter motor teeth won't re tracked far enough to miss the ringear when the motor is running. I hope thats not confusing

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Post by Matatak » Tue Sep 23, 2008 8:40 pm

MY flywheel and Pressure Plate and Throw Out Bearing
Lseries Clutch Disk and Clutch Fork.
L series Cable mounted to MY Pedal (bolts on)
need to lengthen the throw on the pedal due to the difference in lengths of the Forks.

L series Talishaft making a mount for the centre bearing also.

slightly customised gearbox mounting.

electrics are slightly different.
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Post by El_Freddo » Tue Sep 23, 2008 9:20 pm

Matatak wrote:electrics are slightly different.
In the sense that the MY 4wd light switch is mounted off the lever in cabin, the L series is switched in the gearbox and has the wiring at the gearbox for 4wd and 4wd Lo. You'll have to sort out a way to get around this. Check out the Tech manual - I remember SuBaRiNo had some images that explained this...

Make sure the gearbox is from a carbie L - otherwise you'll have some fun with your CV shafts. The carbie L box is the same as the MY - 23 splines on the stub axle, the MPFI and MPFI turbo boxes from the L series use 25 splines like that on the Liberty... Make sense?

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Post by stinky » Tue Sep 23, 2008 9:49 pm

Xtreme_RX wrote:Use the 'L' series cable.
You need to modify the 'MY' pedal assembly to accept the 'L' series cable.
No need to worry too much about modifying I used a cable tie, it's been holding strong for 2 years now. Always got a few spares in the car if it gave up for some reason.
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Post by rtcb65 » Tue Sep 23, 2008 10:10 pm

Thanks to all that posted. It helps heaps. A few thing that have been posted cover items i knew nothing about. At least i wont get half way through the swap and and up with out a car , while trying to work out what has to be done to fix the problem. If any one knows of anything else that hasnt been covered , it will be most helpful.
Thanks to all.

Rick
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Post by Pommiebrat » Tue Sep 23, 2008 10:56 pm

Mate, I'm just in the process of doing this conversion myslef - I have th box in but haven't re-fitted the engine. Things I have found so far:

1. You will have to adapt the mounts from your old MY box in order to mount the L-series box. If you have alook you will see that lengtheneing the mounting holes on each bracket so they become slots allows them to fit. You will also have to make the holes in the gearbox cross-member into slots as well. Its a lot easier than it sounds and all bolts up fine.
2. There is a lump on the rear right top of the gearbox which has an M10 tapped hole in it. It does nothing but when the gearbox is mounted in the vehicle it knocks against the transmission tunnel. I cut mine off with a dremel multitool.
3. Tail shaft - the L-series box is much shorter than the MY one so the MY tailshaft is now too short. You can use the L-series one but it is 2-piece and has a central bearing which requires a custom bracket to be made to mount it to the vehicle. I got a propshaft made. The length you need is 149cm from the flange on that bolts to the rear diff to the face of the rubber oil seal on the gearbox output. This cost me £65 ($120) including posting and packin and I reckon is a lot easier than making a bracket.
4. You will need to adapt the gear-lever mount from the L-series to fit. The MY lever mounts into a ball-and socket joint within the gear box and uses this to gain its leverage. Becasue the L-series box is shorther this setup doesn't apply. You will need to use the L-series gear lever and its support bracket and then fabricate an extension to this in order to attach it to the vehicle. I used an old MY 4WD selector lever mount and adapted it it so that the support bracket for the gear lever attached to it and then drilled a hole just behing the opening for the gear lever in the transmission tunnel and mounted it using a rubber bush which was orignally designed for mounting an exhaust pipe (about $2 from a motor factors). I have yet to sort out the 4wd selector system but it will have to be custom made as I want to retain the lever from th MY. Top the gear lever off with a nice 8-ball pool ball from e-bay......its a standard 12mm thread.
5. Tediosuly the only box I could find was an MPFI one and as said previously in thsi thread I had to get differnet inner CV joints and mount them on my MY axles.

I would love to put some pictures on for you but I am working on my military computer and would probably end up in Guantanamo Bay or soemthing for some IT infringement. I willl try and get something on this weekend. Hope this helps.

John

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Post by rtcb65 » Tue Sep 30, 2008 9:07 pm

IF there is enough interest, i am thinking about doing a step by step with pictures on this thread. I noticed there is a written thread on the subject , but if some one is as thick as me , pictures help a lot. With the info given in the thread so far ( prior to this post ) it has helped out very much.
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Post by AndrewT » Tue Sep 30, 2008 9:43 pm

I'd be interested in seeing that. Wouldn't mind putting a 5spd into Wackybug at some point.

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Post by rtcb65 » Wed Oct 01, 2008 8:19 am

AndrewT wrote:I'd be interested in seeing that. Wouldn't mind putting a 5spd into Wackybug at some point.
With your Signature pic , i would have thought you would have already have done or the least have been involved in a L 5 speed into a M.Y before.
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Post by AndrewT » Wed Oct 01, 2008 9:18 am

nah I've had pretty much zero involvement with MY's before WackyBug.

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Post by subelover » Wed Oct 01, 2008 5:20 pm

please do a series of pics m8 as im very interested and keen on a 5speed in my 82' brumby. cheers Ben
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Post by rtcb65 » Thu Oct 02, 2008 7:30 pm

Here goes. I will do my best to explain what i have done . This is a work in progress so i will post as i get each part done . If anyone knows a better way or if i dont have any part right , please , please correct me .

A standard M.Y peddle box.

Image

I drilled out the spot welds that hold the clutch mount on and removed the mount. Then i cut the clutch mount out of the L pedal box. I did it this way so it was easier for me instead of measuring both holes and it already has the nuts welded on it.

Image

Then i measured back from the pedal rod and got where the lower hole was meant to be and drilled a hole big enough that the nut on the L plate would go through. Then got a comfortable angle for the cable to sit and drilled the second hole. With the plate siting nice and flat, it was welded on.
I don't know if any one else has done it , but the pedal bump stop on the L is different to the M.Y. The spot welds were drilled out to remove the M.Y bump and the L was done the same and mounted onto the L pedal.

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Post by rtcb65 » Thu Oct 02, 2008 11:02 pm

As brett posted earlier in this thread the M.Y flywheel is thicker than the L one. So it needs to be machined. It is now in the machine shop getting the ring gear removed and machined and the ring gear replaced.

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Post by Matatak » Thu Oct 02, 2008 11:14 pm

rtcb65 wrote:As brett posted earlier in this thread the M.Y flywheel is thicker than the L one. So it needs to be machined. It is now in the machine shop getting the ring gear removed and machined and the ring gear replaced.

Image
wondering why you went with that method?

what i mentioned works perfectly for me and doesnt require machining
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Post by rtcb65 » Fri Oct 03, 2008 12:29 am

Matatak wrote:wondering why you went with that method?

what i mentioned works perfectly for me and doesnt require machining
What engine is your 5 speed bolted to , ea81 or an ej.
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Post by Matatak » Fri Oct 03, 2008 12:49 am

EJ22...but that wont matter
its still an MY Pressure Plate and Flywheel
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Post by rtcb65 » Sat Oct 18, 2008 2:36 pm

Cleaned up the gearbox, ready to replace the front and back seal. The last thing i wont to happen is put the box in and find out in a month that the front seal needs replacing.

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