| [ Total Views: 1634 | Total Replies: 29 | Thread Id: 39916 ] |
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 subaruboxer
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| posted on May 31st, 2005 at 05:48 AM |
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Dyno Run part 1
I had my bug with EJ 22 on the dyno, but was a bit disapointed at first. Because we faced a problem here.
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subaruboxer
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| posted on May 31st, 2005 at 05:57 AM |
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Here you can see what is wrong! The clutch is slipping!
Yes, the clutch is to weak for the engine. The clutch was able to get only around 60 KW to the wheels. We tried four times with different adjustments
of the clutch. Then I rode back home and pulled the engine out. And it was clearly visible on the flywheel that the clutch was the weak link.
It is a vanagon clutch, 215 mm, and now I am getting a new flywheel and a 228 mm clutch. Next time it will be better, but it might take a few weeks
before I can do it again.
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Baja Wes
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| posted on May 31st, 2005 at 08:07 AM |
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I think the 215mm clutch should've handled more power than that. Perhaps the pressure plate didn't have the spring force it should have had.
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Brad
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| posted on May 31st, 2005 at 08:18 AM |
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we have EJ22 running through 215mm clutches that seem to work fine. What clutch did you use ?
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MikeM
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| posted on May 31st, 2005 at 10:00 AM |
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What Brand of Clutch plate did you use?
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boof2332
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| posted on May 31st, 2005 at 10:50 AM |
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The kombi clutch should have definetely handled the power. Mine is only a touch when going really hard, and Jaks took a coupe of weeks and his has
150kw at the wheels.
Pressure plate for sure...try a diferent brand.
Good luck......
Matt
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1303Steve
A.k.a.: Steve Carter
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| posted on May 31st, 2005 at 10:55 AM |
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Hi
The 228 takes a bit of work to fit in a Type 1 trans and they are not that good, I slipped one with a NA wasserboxer. I had a $600 215 built by Race
Clutch in Qld that worked well. Im going to use a IV Kennedy in my next one, cheap and easy to get.
Steve
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pete wood
A.k.a.: figure itout
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| posted on May 31st, 2005 at 03:44 PM |
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I've got a dead standard 215mm sachs german clutch behind my ej25 and it's only ever slipped when the clutch cable was too tight. Apart from that it
seems to take anything I throw at it. And thats with 31inch tyres.
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subaruboxer
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| posted on June 1st, 2005 at 07:01 AM |
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The clutch is a german sachs, brand new and a complete kit.
New pressureplate and everything. It is good to hear, that
you all think it should work. That is what I was told here, too.
It has to be the flywheel. Has anyone the measurements of the flywheel for a 215 mm clutch on hand. I would like to compare it to mine.
[Edited on 1-6-2005 by subaruboxer]
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Baja Wes
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| posted on June 1st, 2005 at 08:40 AM |
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maybe your flywheel has been machined too many times, and is too deep. Maybe a workshop manual will give some tolerances.
You will probably need the clutch plate bead blasted, or at least sand the glazing off of it before reusing it on another flywheel (depending on how
glazed it got spinning on the dyno).
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Brad
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| posted on June 1st, 2005 at 10:28 AM |
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what flywheel are you using ? We use custom ones when we do the conversion
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1303
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| posted on June 1st, 2005 at 07:35 PM |
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Hi,
I had a dual diaphram 215mm clutch built for my conversion and also lightened the Sherman supplied flywheel at the same. It turned out that the
flywheel was manufactured with too much depth ( as in approx 1.5mm deeper than standard ) so the flywheel face had to be machined to compensate. May
be worth measuring a stock 215mm flywheel to compare.
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subaruboxer
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| posted on June 2nd, 2005 at 03:39 AM |
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| Quote: | Originally
posted by 1303
Hi,
I had a dual diaphram 215mm clutch built for my conversion and also lightened the Sherman supplied flywheel at the same. It turned out that the
flywheel was manufactured with too much depth ( as in approx 1.5mm deeper than standard ) so the flywheel face had to be machined to compensate. May
be worth measuring a stock 215mm flywheel to compare.
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I think it is possible, that my flywheel is to deep, just a little bit like the mentioned 1, 5 mm or something like that.
The flywheel is made here in Germany for the conversion, it comes in a kit with the adapter plate. But I have no standard kombi flywheel to check the
depth. I don´t want to badmouth anyone, that is why I have to know what is wrong.
[Edited on 4-6-2005 by subaruboxer]
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subaruboxer
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| posted on June 4th, 2005 at 03:34 PM |
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Now that the engine is out again, I will turn bad into good and cut the rear off at this occasion and make it removable.
Not as big as the one I posted, but not only the valance.
I cut it off today and keep you posted.
[Edited on 4-6-2005 by subaruboxer]
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boof2332
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| posted on June 7th, 2005 at 12:07 AM |
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You can never cut out too much...I love cutting metal. If you go a bit crazy you can always make it a baja.
Matt
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subaruboxer
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| posted on June 8th, 2005 at 05:21 AM |
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Yeah you are right, looks a bit like I want to build a baja.
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subaruboxer
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| posted on June 8th, 2005 at 05:24 AM |
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This one looks pretty technical. Herbie fully reloaded!
[Edited on 9-6-2005 by subaruboxer]
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72RSbug
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| posted on June 8th, 2005 at 08:20 PM |
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any pics of how the removeable rear valance is reattached to the body afterwards. I would imagine it being screwed on through a piece of steel on both
sides but haven't seen any pics of it yet.
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pete wood
A.k.a.: figure itout
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| posted on June 8th, 2005 at 10:00 PM |
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Subaru boxer, I hope you are planning to shorten the sump. :duh
BTW, what does your engine mount setup look like. I'm thinking of redoing mine in the not too distant future.
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subaruboxer
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| posted on June 9th, 2005 at 04:20 AM |
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72RSbug,
yes screwed on with steel plates. I am not finished with that,
pics will follow.
pete wood,
my sump is already shortend 40 mm.
[Edited on 9-6-2005 by subaruboxer]
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pete wood
A.k.a.: figure itout
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| posted on June 9th, 2005 at 07:23 PM |
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Sorry mate, I just had a better look at ya pics and I can see now the sump is shortened.
BTW, Looked at all you pics but I couldn't see how the engine mounts work. Just to clarify things, are you using the anything to support the engine
via the standard engine mounts on the bottom of the motor?
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subaruboxer
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| posted on June 10th, 2005 at 01:55 AM |
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| Quote: | Originally
posted by pete wood
Sorry mate, I just had a better look at ya pics and I can see now the sump is shortened.
BTW, Looked at all you pics but I couldn't see how the engine mounts work. Just to clarify things, are you using the anything to support the engine
via the standard engine mounts on the bottom of the motor?
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Yes I installed a CUP brace.
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pete wood
A.k.a.: figure itout
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| posted on June 10th, 2005 at 10:37 AM |
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What's a CUP brace? Sorry if I'm being painful. Just trying to fugure out how to redo mine in the best way.
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ricola
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| posted on June 10th, 2005 at 06:00 PM |
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A cup brace is a triangulated set-up which runs one bar between the top shock mounts, then a bar from each top shock mount to the gearbox cradle mount
on its corresponding side. Quite a few people sell kits now but there are a few stories of them breaking. I will be making my own version in steel CDS
rather than the aluminium tube that is normally used.
Rich
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1303Steve
A.k.a.: Steve Carter
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| posted on June 10th, 2005 at 10:11 PM |
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Hi
This is a cup brace.
I planning to make mine using beetle tire rod shafts with clevis ends.
Steve
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pete wood
A.k.a.: figure itout
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| posted on June 10th, 2005 at 11:01 PM |
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That's what I thought. So there are no factory engine moutns supporting the EJ22 in that beetle. It's held up only by the bellhousing adaptor plate.
Correct?
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subaruboxer
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| posted on June 11th, 2005 at 03:42 AM |
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That is correct. I f you want to see more pics of my bug, please check my posts here.
My cooling system
My header with stock cat for EJ 22
Moving the trans up
[Edited on 10-6-2005 by subaruboxer]
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pete wood
A.k.a.: figure itout
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| posted on June 11th, 2005 at 02:40 PM |
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Ta, looks like tha back of the car is very stiff.
Does it axle hop at all?
Are you using high tensile bolts to hold the engine on?
BTW, Took my daughter out today in my buggy to meet some friends at a park. Started raining on the way home. Great fun pulling off the lights. Let the
clutch out slowly at lov revs. Then mash the throttle, car accelerates hard and then both tyres (31inch high 10.5 inch wide) break loose and light
up.:thumb
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subaruboxer
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| posted on June 11th, 2005 at 06:39 PM |
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Hi Pete,
No axle hop and the bolts come with the adapter kit.
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subaruboxer
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| posted on June 15th, 2005 at 04:16 AM |
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The cause for the slipping clutch was the pressure plate.
Something is wrong with it, it was said to be new.
I will get a new one and put it back in. Then I need a day off from work to get on the dyno again.
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