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1983 280GE BM10 build and restoration

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inkblotz
Posts: 5031

Re: 1983 280GE BM10 build and restoration

Post#131 » Sun Apr 28, 2019 2:57 am

A long shot but.... years ago I read about an adjustment to the pad material. I had to do this on my 460 at the time as well.

When refreshing a Gs drum brakes you have 2 choices replace the entire shoe with metal bracing or rivet on new shoes to the old backing.
If the shoes you have were were done the later way there is one additional step that needs to be made. After riveting on the new pad a portion of the lower part of the pad material needs to be removed/chamfered/cut off to avoid dragging. I wonder if the pads you have were done this way years ago and never had the lower portion chamfered properly. This may be why they are dragging.
Not in your photo the right pad goes to the end and appears to have little or no chamfering and a bit too much material.

And as I said a long shot from something I read years ago but an adjustment to a dragging drum non the less.
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inkblotz
Posts: 5031

Re: 1983 280GE BM10 build and restoration

Post#132 » Sun Apr 28, 2019 4:00 am

This was posted by Autonovice years ago regarding this: viewtopic.php?f=18&t=2495&p=14474&hilit=drum+shoes#p14474
Re-Arcing Brake Shoes "This is yet another thing that gets overlooked and can make a big difference in brakingespecially on obsolete drums or drums that are just within tolerance. When you turn your drums you create a larger diameter and change the radius, especially when the drums are nearing the end of their useful life at say .090" oversize. Doesn't sound like a lot but when you take a new re-lined shoe and place it in a drum that has been turned you will see the difference. Re-arcing the shoes will remove the material at the highest point (the center) of the drum. Although it removes some of the braking material, it will give you better braking because you have more brake material contacting the drum. There are few shops that will still do this so more than likely you will have to look hard to find one".

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cal_w460
Posts: 1899

Re: 1983 280GE BM10 build and restoration

Post#133 » Sun Apr 28, 2019 7:26 am

Yeah. Its a classic. Sometimes new complete brake shoes has the wrong radius for a new brake drum. You can hammer on a couple of locations on the metal brake shoe holder to extend the metal and adjust the radius. Even though the tool that Autonovice used is far more sophisticated, this works pretty well.

However, if this was the cause of the rear brake shoe drag on this G. There should be visible difference in wear along those shoes shouldn't it?

One reason my guess is the brake hoses is that this G has been located in a very warm dry climate and most rubber parts (all?) seem to be shot on it. :)
w460.333 1982 Colorado Beige 300 GD OM617.931

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Otiswesty
Posts: 3881

Re: 1983 280GE BM10 build and restoration

Post#134 » Sun Apr 28, 2019 8:03 am

We have replaced the locker soft lines. I guess it is time to do the brake lines as well. Thanks.

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Otiswesty
Posts: 3881

Re: 1983 280GE BM10 build and restoration

Post#135 » Mon Sep 02, 2019 3:18 pm

Back to the poorly fitting soft top. In place of replacing the rear bars for the canvas, I have gone ahead with refitting the top. In the end, we decided to just rework the top I had. It does not appear to be original to this specific vehicle but it is an original MB black exterior and tan interior LWB soft top.

I got a set of replacement black straps from Guido for the leading edge to replace the funny metal bar used previously. There is a little bit of material being trimmed of the sides and rear to get a taut fit and new sleeves added for the rear bars and roll bar tire downs as well. The top had some crude patches that are being redone and sealed to end up with a nice water tight top. It rains a bit more in Portland than in Dubai. Final pic next week.
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inkblotz
Posts: 5031

Re: 1983 280GE BM10 build and restoration

Post#136 » Tue Sep 03, 2019 3:54 am

Really coming along can you post some inside top fitting picks?

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Otiswesty
Posts: 3881

Re: 1983 280GE BM10 build and restoration

Post#137 » Tue Sep 03, 2019 4:18 am

The rear bars are not stock, but actually work well and look nice. I decided to keep them as no additional effort was required and the top needed work anyways. A complete set of factory bars from a Norwegian army 240GD Feltvogn is available at VTP.no, so that remains an option as well. The top will be sleeved to all the bars and they are making a bungee retainer for the roll bar like most of the original 461 soft tops have. I will have full pics by the end of the week I hope.
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inkblotz
Posts: 5031

Re: 1983 280GE BM10 build and restoration

Post#138 » Tue Sep 03, 2019 4:21 am

Nice looking G. Well Done. Now on to the other 3 or 4? I lost count.

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Otiswesty
Posts: 3881

Re: 1983 280GE BM10 build and restoration

Post#139 » Tue Sep 03, 2019 4:36 am

I'm trying to catch up to Chris :lol:

At one point, I had 5 vintage Westfalias. Down to one now.

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Fernando BR
Posts: 1898

Re: 1983 280GE BM10 build and restoration

Post#140 » Tue Sep 03, 2019 5:07 am

Thats a nice rare G. I love those Europa running boards

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