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Reviving a Syncro
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BavarianWrench
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PostPosted: Mon Aug 28, 2017 8:29 pm    Post subject: Re: Joining the Syncro club... Reply with quote

raoul mitgong wrote:
Bassyaks wrote:
No Knobs?


I have the original invoice for my Syncro, it was about $250 for the rear locker option new. Today, $250 might get you a cracked 3 knob control panel. Crazy.
I certainly wouldn't be bummed about a knobless Syncro though.

Joe, hope to see that van in person one day. I might dig up that old failed Denver get together thread that never materialized.
-d



Get that Denver thread rolling. No need to start more chat in Joes thread about it though, unless Joe wants to do that? Its his thread.

Joe congratulations on the Syncro. Have you pulled the wheels off yet? I was wondering what it took to get those rims on there. I think they are Audi A4 rims?
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joetiger Premium Member
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PostPosted: Tue Aug 29, 2017 7:36 am    Post subject: Re: Joining the Syncro club... Reply with quote

BavarianWrench wrote:


Joe congratulations on the Syncro. Have you pulled the wheels off yet? I was wondering what it took to get those rims on there. I think they are Audi A4 rims?


Thanks! I haven't had a chance to look at them closely, I'm embarrassed to admit. I'll let you know, though. I didn't like them at first, but they're growing on me. But then what am I gonna do with the full set of Mefro 15's I just bought?

Speaking of buying, y'all are not kidding with the "$yncro" talk. I'm pretty sure I need a new clutch and rear main seal and I'm leaning towards adding a decoupler. The VC is pretty grabby on tight turns when it warms up.

Adding these items to the ever-growing list.

My three former Vanagon builds/upgrades/mods were more about discovery, meaning I progressively learned what I needed and took care of things over long periods of time...This time around I know exactly what needs to be done but there are not enough hours in the day. Patience, grasshopper.
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Joe T.

'86 NAHT Vanagon GL Syncro/ supercharged ABA 2.0 "Pigpen"
'04 GTI 1.8T
'04 Golf R32

"get metaphysical with it. if it's simply a means to get to and from places, it will let you down. if it becomes your zen, it can't fail you." -dabaron

"Still, it's good to be afield."--VWagabond

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raoul mitgong
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PostPosted: Tue Aug 29, 2017 12:33 pm    Post subject: Re: Joining the Syncro club... Reply with quote

joetiger wrote:

The VC is pretty grabby on tight turns when it warms up.


http://syncro.org/the-viscous-coupler/

Have you performed the VC 2x4 test yet? I think there was a thread on here where people were sharing their results. Should give you a decent idea on relative aggressiveness of yours.
I recently picked up an extra 3 ton Harbor Freight floor jack if you need to borrow one.
-d
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tjet Premium Member
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PostPosted: Tue Aug 29, 2017 1:10 pm    Post subject: Re: Reviving a Syncro Reply with quote

Sweet van. They are good drivers. Ive been driving mine daily in LA traffic, but the driveshaft is removed. Wish I has a supercharger tho Cool
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dkoesyncro
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PostPosted: Tue Aug 29, 2017 3:39 pm    Post subject: Re: Reviving a Syncro Reply with quote

How much of your noise is the SC? I remember them making a whirl sound? The aba can take boost well, you could stay with the SC or go turbo. Bahn Brenner has a nice SC unit that will bolt up and possibly lower your deck lid hight.

I recently got 24 mpg on my boosted aba on my trip to mogfest.
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onwardtothestars
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PostPosted: Tue Aug 29, 2017 11:57 pm    Post subject: Re: Reviving a Syncro Reply with quote

Awesome Syncro! Looks to be in great condition, and it runs too. I'm ever so envious.
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joetiger Premium Member
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PostPosted: Wed Aug 30, 2017 8:28 am    Post subject: Re: Reviving a Syncro Reply with quote

dkoesyncro wrote:
How much of your noise is the SC? I remember them making a whirl sound? The aba can take boost well, you could stay with the SC or go turbo. Bahn Brenner has a nice SC unit that will bolt up and possibly lower your deck lid hight.

I recently got 24 mpg on my boosted aba on my trip to mogfest.


I am most definitely not getting 24 MPG right now. I'm over halfway through my first tank with around 100 miles on the odometer. One 67 mile trip from Ft. Collins and some city driving.

I didn't get a chance to do much beyond a few interior fixes and a new front bumper last night. Damn does RMW make good stuff.

Image may have been reduced in size. Click image to view fullscreen.


The supercharger makes a whirring noise, but it doesn't seem to be that loud overall. A lot of the noise is engine vibration coming through the chassis.

When I had the new muffler mounted, they added a steel-enclosed rubber brick mount to the rail with a muffler hanger through it. At around 2500 RPM is makes the whole van vibrate. That's part of it, anyway. I'm thinking that attachment point needs to be removed.

Driveability is irritating, but I'll get there. When I accelerate, the engine bogs down for a moment then revs. (New wires, plugs, etc. were installed at RMW.) Then it feels like a NA ABA until about 2500 RPM. At that point, it hesitates a bit, then WHOOSH! it takes off to 4000 RPM in a hurry.

Right now, it drives, so until I have some real time to get in there, I'll live with it. In any case, it's a blast to drive around the city, looking down on everybody. Very Happy

I really like the idea of the Bahn Brenner SC. Just spitballin', but going to a 50 degree mount with the original intake and that little SC in front would be a much cleaner setup.

Raoul, I've added the VC test to the list. I'm not going to pull the trigger on either a decoupler or a new VC until I'm totally sure of what's going on. Thanks!
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Joe T.

'86 NAHT Vanagon GL Syncro/ supercharged ABA 2.0 "Pigpen"
'04 GTI 1.8T
'04 Golf R32

"get metaphysical with it. if it's simply a means to get to and from places, it will let you down. if it becomes your zen, it can't fail you." -dabaron

"Still, it's good to be afield."--VWagabond

Available Now! Vanagon to Louisiana--A Two-Lane Reckoning Through Past and Present

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dobryan
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PostPosted: Wed Aug 30, 2017 9:43 am    Post subject: Re: Reviving a Syncro Reply with quote

The muffler should never be attached to the body for these vehicles, any engine type. If it needs another hanger it should be attached to the engine or mounting bar, not the body.
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'87 Westy w/ 2002 Subaru EJ25 and Peloquin TBD

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joetiger Premium Member
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PostPosted: Wed Aug 30, 2017 9:47 am    Post subject: Re: Reviving a Syncro Reply with quote

dobryan wrote:
The muffler should never be attached to the body for these vehicles, any engine type. If it needs another hanger it should be attached to the engine or mounting bar, not the body.


Agreed. I remember seeing a few early EJ22 conversions with that error. I didn't notice it right after installation; I'm going to hack it ASAP.
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Joe T.

'86 NAHT Vanagon GL Syncro/ supercharged ABA 2.0 "Pigpen"
'04 GTI 1.8T
'04 Golf R32

"get metaphysical with it. if it's simply a means to get to and from places, it will let you down. if it becomes your zen, it can't fail you." -dabaron

"Still, it's good to be afield."--VWagabond

Available Now! Vanagon to Louisiana--A Two-Lane Reckoning Through Past and Present

www.josephtrussell.com
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joetiger Premium Member
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PostPosted: Wed Aug 30, 2017 7:47 pm    Post subject: Re: Reviving a Syncro Reply with quote

I was able to get a few photos of the motor tonight as well as the exhaust system. If rust or fluid leaks make you queasy, please turn away.

Here's some perspective on the height of the engine cover and how the motor sits:

Image may have been reduced in size. Click image to view fullscreen.

Image may have been reduced in size. Click image to view fullscreen.


Pushing over the front edge:

Image may have been reduced in size. Click image to view fullscreen.


Here are the muffler hangers:

Image may have been reduced in size. Click image to view fullscreen.

Image may have been reduced in size. Click image to view fullscreen.


I can't see where else you would secure the muffler.

Image may have been reduced in size. Click image to view fullscreen.


Maybe fit the cat before the bend and try to fit a long muffler back there? I don't know if there's room between the engine and the apron.

EDIT: although now that I look at it more closely, there might be room between the motor and the apron once I get rid of the gigantic muffler and trailer hitch that juts into the apron area. Maybe that's the answer.

Image may have been reduced in size. Click image to view fullscreen.


Image may have been reduced in size. Click image to view fullscreen.


The engine carrier kinda resembles the SA carrier.

Image may have been reduced in size. Click image to view fullscreen.


Gotta get the exhaust sorted out somehow.

In other news, the VC feels tighter today than it did yesterday (my imagination?) I'm going to remove the driveshaft until I figure out what to do there.

Here's a short vid of the engine running:


Link

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Joe T.

'86 NAHT Vanagon GL Syncro/ supercharged ABA 2.0 "Pigpen"
'04 GTI 1.8T
'04 Golf R32

"get metaphysical with it. if it's simply a means to get to and from places, it will let you down. if it becomes your zen, it can't fail you." -dabaron

"Still, it's good to be afield."--VWagabond

Available Now! Vanagon to Louisiana--A Two-Lane Reckoning Through Past and Present

www.josephtrussell.com
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davevickery
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PostPosted: Thu Aug 31, 2017 7:37 am    Post subject: Re: Reviving a Syncro Reply with quote

Congrats on the van Joe. I used these kind of rubber mounts on my 1.8. They provide a lot of movement in all directions and there was no issue attaching to the frame rails on each end.
Image may have been reduced in size. Click image to view fullscreen.


The best mufflers I found by going to the junkyard with a tape measure and a sawzall. The quality is superior to the NAPA stuff and they cost $8/ea. I used slip fit pipe bends and had a shop weld it up after I test fit it. I figured out a way to fit both a Lexus 3.0 resonator and a short VW rear muffler on my 1.8.
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joetiger Premium Member
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PostPosted: Thu Aug 31, 2017 7:51 am    Post subject: Re: Reviving a Syncro Reply with quote

Thanks Dave! These look similar to the old Rabbit exhaust hangers.
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Joe T.

'86 NAHT Vanagon GL Syncro/ supercharged ABA 2.0 "Pigpen"
'04 GTI 1.8T
'04 Golf R32

"get metaphysical with it. if it's simply a means to get to and from places, it will let you down. if it becomes your zen, it can't fail you." -dabaron

"Still, it's good to be afield."--VWagabond

Available Now! Vanagon to Louisiana--A Two-Lane Reckoning Through Past and Present

www.josephtrussell.com
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buspor63
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PostPosted: Thu Aug 31, 2017 6:23 pm    Post subject: Re: Reviving a Syncro Reply with quote

Is that block is the same as the AEB 1.8T ?, perhaps adapting the the later hydraulic engine mounts and hangers may help.
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joetiger Premium Member
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PostPosted: Fri Sep 01, 2017 7:35 am    Post subject: Re: Reviving a Syncro Reply with quote

Thanks for the suggestion Buspor. I picked up some actual ABA hangers yesterday, so if I have any time I'll swap them out and see if I get a little less vibration. From there I think the next step will be looking at hydraulic mounts.

Image may have been reduced in size. Click image to view fullscreen.

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Joe T.

'86 NAHT Vanagon GL Syncro/ supercharged ABA 2.0 "Pigpen"
'04 GTI 1.8T
'04 Golf R32

"get metaphysical with it. if it's simply a means to get to and from places, it will let you down. if it becomes your zen, it can't fail you." -dabaron

"Still, it's good to be afield."--VWagabond

Available Now! Vanagon to Louisiana--A Two-Lane Reckoning Through Past and Present

www.josephtrussell.com
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vw4wd
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PostPosted: Sun Sep 03, 2017 9:10 am    Post subject: Re: Reviving a Syncro Reply with quote

I run an AGG 2 litre engine which I guess will make similar noises to your ABA. Mine runs very quietly using a WBX muffler/silencer hung from the engine mount/sump as per the JX set up. Mine is mounted at 50*
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ALIKA T3
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PostPosted: Sun Sep 03, 2017 10:02 pm    Post subject: Re: Reviving a Syncro Reply with quote

Where is the coolant expansion tank cap from?? Shocked

It's running smooth Very Happy
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joetiger Premium Member
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PostPosted: Tue Sep 05, 2017 8:11 am    Post subject: Re: Reviving a Syncro Reply with quote

We had a very busy weekend with Labor Day, wife's birthday, first LSU game, and a Phish show (don't judge--I got a free suite pass and the venue was five minutes from my house) so I didn't get a lot of Syncro work done.

There are no easy wins with this thing. I snapped three bolts getting the long skid plates off due to rust, but they came out. Also temporarily removed the driveshaft due to a very grabby VC. It's rolling a lot smoother in 2wd. I thought long and hard about a decoupler versus replacing the VC, and decided I'll get a new (rebuilt) VC and maybe add a decoupler later.

I was able to mount an ABA muffler hanger which greatly reduced vibration. It's still buzzy as hell around 2000/2500 RPM, but it's better. It's not a permanent solution, and I need to figure out a way to add another mount on the other side of the muffler.

Image may have been reduced in size. Click image to view fullscreen.


This week I'm going to mount another hanger, replace the speakers (priorities!) and get into the hesitation issue with the acceleration and see what I can find out.

We have a camping trip this weekend with the other van, then after that I need to replace the rear main seal which is leaking like a sieve. There is almost nothing on this van that works correctly, but it drives and it's fun to mess with!
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Joe T.

'86 NAHT Vanagon GL Syncro/ supercharged ABA 2.0 "Pigpen"
'04 GTI 1.8T
'04 Golf R32

"get metaphysical with it. if it's simply a means to get to and from places, it will let you down. if it becomes your zen, it can't fail you." -dabaron

"Still, it's good to be afield."--VWagabond

Available Now! Vanagon to Louisiana--A Two-Lane Reckoning Through Past and Present

www.josephtrussell.com
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davevickery
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PostPosted: Tue Sep 05, 2017 9:01 am    Post subject: Re: Reviving a Syncro Reply with quote

joetiger wrote:

There are no easy wins with this thing. I snapped three bolts getting the long skid plates off due to rust, but they came out. Also temporarily removed the driveshaft due to a very grabby VC. It's rolling a lot smoother in 2wd. I thought long and hard about a decoupler versus replacing the VC, and decided I'll get a new (rebuilt) VC and maybe add a decoupler later.


Hey Joe, you should be able to sell that VC so don't toss it. Lots of people prefer them aggressive, that works better in conjunction with a decoupler if you like to do challenging things off road. For comparison, here is a quick video of my VC which seems pretty aggressive but works wonderfully offroad and the decoupler eliminates excess stresses when I am not in 4wd.


Link


This gives you a comparison if you want to test yours. I think the torque wrench is set to 80 ft lbs here. But I can see why some people rather have a new VC over a decoupler expecially for a daily driver and winter vehicle.
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joetiger Premium Member
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PostPosted: Sun Sep 10, 2017 3:55 pm    Post subject: Re: Reviving a Syncro Reply with quote

I didn't get much done on it last week, but it did a nice 180-mile round trip up to Peaceful Valley and back with my daughter's girl scout troop.

Image may have been reduced in size. Click image to view fullscreen.


I kinda like the looks of this:

Image may have been reduced in size. Click image to view fullscreen.


The valley was anything but peaceful with ATV's, generators, a late night encounter with a large black bear, and two full-speed bull moose running through camp this morning. (This was with my wife, the troop leader, and eight 14-year old girls, mind you.) Good to be home.

I averaged 14 MPG on the trip, which ain't right. Digging into the motor and replacing the rear main seal this week I hope.
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Joe T.

'86 NAHT Vanagon GL Syncro/ supercharged ABA 2.0 "Pigpen"
'04 GTI 1.8T
'04 Golf R32

"get metaphysical with it. if it's simply a means to get to and from places, it will let you down. if it becomes your zen, it can't fail you." -dabaron

"Still, it's good to be afield."--VWagabond

Available Now! Vanagon to Louisiana--A Two-Lane Reckoning Through Past and Present

www.josephtrussell.com
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FrankenSubySyncro
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PostPosted: Mon Sep 11, 2017 2:31 pm    Post subject: Re: Reviving a Syncro Reply with quote

Welcome to the wonderful world of syncro ownership. I am so happy for you. We will have to do Hell's revenge next Syncro Solstice.
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