Gearbox mounts 360 GLT B200

B14, B172, B19/200, D16 engine, ignition, cooling, fuel & exhaust system, gearbox, variomatic, final drive... | Tuning: engine swaps, welded diff, clutch upgrades...
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classicswede
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Re: Gearbox mounts 360 GLT B200

Post by classicswede » 02 Nov 2014 10:36 am

Jon is in NI,

I've seen a lot of drift 360's break those cups so the problem could well be down to gearbox mount issues.
Dai

Please email me directly on dai@classicswede.co.uk

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macplaxton
Posts: 3282
Joined: 09 Feb 2008 02:29 am

Re: Gearbox mounts 360 GLT B200

Post by macplaxton » 02 Nov 2014 11:32 pm

classicswede wrote:Jon is in NI,
Like I'm in NI? (for postal purposes :wink: ) :lol:

AFAIK he's physically in ROI.
72 DAF 44 Estate 78 Volvo 343DL Black BeautyImageImage
82 Volvo 343DL CVTImageImage 88 Volvo 340DL Diesel

Logan360
Posts: 817
Joined: 23 Jun 2012 08:51 am

Re: Gearbox mounts 360 GLT B200

Post by Logan360 » 03 Nov 2014 01:34 am

mine is gones toos. I needs lots. like 3 cars worth o think.
Own:
86, 87 360GLT
97 S90
92 960S
92 960 Long Boi
96 Volvo 854R

Owned
S60T -Mazda Familia
850lpt -AU Falcon
855 T5 -95 960, 97 960
940TIC -Mitsi GTO TT
16x 360 (1 GL, 2 GLS, 13 GLT)
Toyota corolla
R32 nissan skyline
Toyota corona

Ride_on
Posts: 2243
Joined: 26 May 2009 05:34 pm
Location: Belfast, N. Ireland

Re: Gearbox mounts 360 GLT B200

Post by Ride_on » 14 Dec 2014 12:52 am

So one of my mounts is cracked and wasted around the bolt holes for the bush, they can't be welded. My long term solution is 3d printing and moulding but short term I have made a reinforcing cover. I started thinking of washers but need support to connect the furthest away bolt. I'm not sure how strong this will be, but its worth a shot.

You could do a flat plate but the edges down the side would be very narrow and weak, it needs a 3d shape. I guess this is the purpose of the dome and edges.

I got a 73mm hole cutter and used some 2.5mm plate I got for engine mountings. If anyone would like a plate with a 73 mm hole as a starter I'll provide for a small price. 73 is slightly too small and needs chamfered but this was intended.
Attachments
diffmtcp2.jpg
Strengthened cracked mount
diffmtcap.jpg
Completed reinforcing cap
IMG_1804s.jpg
Pattern for dome
IMG_1804s.jpg (75.83 KiB) Viewed 5914 times
IMG_1802s.jpg
Hole cut and outline
IMG_1802s.jpg (71.7 KiB) Viewed 5914 times
1980 345 DL_______1987 360 GLE (project car restored to GLT spec and B230FT'd)
1984 360 GLT______1987 360 GLT
1983 360 GLS______1989 360 GLE
1985 340 GL_______1986 340 1.4
1985 360 GLS______1995 940 SE 2.3 Turbo Estate (daily)
1987 340 GL 1.7

Ride_on
Posts: 2243
Joined: 26 May 2009 05:34 pm
Location: Belfast, N. Ireland

Re: Gearbox mounts 360 GLT B200

Post by Ride_on » 14 Dec 2014 03:30 pm

Just remembered about this;

http://www.amazon.co.uk/Lumiweld-Kit-Al ... B00BSV6NW4

It might work, along with the strengthener. I'll give it a go I think.
1980 345 DL_______1987 360 GLE (project car restored to GLT spec and B230FT'd)
1984 360 GLT______1987 360 GLT
1983 360 GLS______1989 360 GLE
1985 340 GL_______1986 340 1.4
1985 360 GLS______1995 940 SE 2.3 Turbo Estate (daily)
1987 340 GL 1.7

Ride_on
Posts: 2243
Joined: 26 May 2009 05:34 pm
Location: Belfast, N. Ireland

Re: Gearbox mounts 360 GLT B200

Post by Ride_on » 31 Dec 2014 03:27 am

I've tried the lumiweld and it seems to work, however I am reluctant to trust my braising/soldering skill with it and recommend the steel reinforcers aswell. Considering the power upgrade I also decided to go with 2 reinforcers and a cross brace to reduce the torque on the bracket.

The lumiweld is easy in principle provided you follow the rules. You need 380C to melt. I used an electric hot plate on my non-precious cooker together with a simple butane blow torch. Still it took a while to get up to temperature. You want it a good bit below the 380 so you can work on different parts and provide some shape, otherwise it just pools at the bottom of the piece. It works much like solder, has good surface tension but will fall out of big holes when molten. You need to use the stainless steel rod to abraid the Al surface when its molten for the lumiweld to take properly. I tried using plaster of paris moulding to help get the shape but it didn't really work and I end up just using temperature variation to get the shape much like lead loading.

I'm not sure this will be a good solution for everyone. I have nearly new bushes, so it made sense to repair and improve rather than redesign.
IMG_1826s.JPG
Wasted areas against the steel bush
IMG_1826s.JPG (58.55 KiB) Viewed 5874 times
IMG_1825s.JPG
Cutting out the cracks
IMG_1825s.JPG (51.09 KiB) Viewed 5874 times
IMG_1828s.JPG
Initial braising attempt
IMG_1828s.JPG (52.42 KiB) Viewed 5874 times
IMG_1833s.JPG
Underside after grinding and sanding
IMG_1833s.JPG (74.55 KiB) Viewed 5874 times
IMG_1834s.JPG
Steel Strengthener with cross brace
IMG_1834s.JPG (64.98 KiB) Viewed 5874 times
1980 345 DL_______1987 360 GLE (project car restored to GLT spec and B230FT'd)
1984 360 GLT______1987 360 GLT
1983 360 GLS______1989 360 GLE
1985 340 GL_______1986 340 1.4
1985 360 GLS______1995 940 SE 2.3 Turbo Estate (daily)
1987 340 GL 1.7

miniswift
Posts: 205
Joined: 15 Jul 2010 07:05 pm
Location: Newton Hall, Durham

Re: Gearbox mounts 360 GLT B200

Post by miniswift » 18 Jan 2015 04:46 pm

Hi,

If anyone can send me a photo of how it is mounted, I can design up in CAD to make steel plate.
I can get it laser cut in 3mm steel, stainless steel or so and weld it up by people. What do you think?

Do you need to have a dorme shape? If we make one to take a common poly bush, we should be able to make one easily.

iirc, there is a tab to fit into somewhere as locator and 3 sided for strength....

Cheers
Atchi

p.s. just came on to see how you people are!

Ride_on
Posts: 2243
Joined: 26 May 2009 05:34 pm
Location: Belfast, N. Ireland

Re: Gearbox mounts 360 GLT B200

Post by Ride_on » 28 Jan 2015 07:54 pm

I think the dome is needed for strength otherwise the part would need to be wider and would not fit. I'm not a mechanical engineer but stainless seems too weak/brittle for such a highly stressed part. Also it really needs to control the diff movement well, the original bush has sideways and vertical restrictions from the cross member and rubber insert, and its possible that CVs break when the diff rotates too much.

The cross brace seems useful but it is very hard to fit the strengthen once this is on. I could not remove the brackets from the diff once this was bolted on. Any cross brace needs to be a separate part, there is enough height in the standard bush bolts to fit the 2.5mm steel, this gives sufficient clearance to the cross member.
1980 345 DL_______1987 360 GLE (project car restored to GLT spec and B230FT'd)
1984 360 GLT______1987 360 GLT
1983 360 GLS______1989 360 GLE
1985 340 GL_______1986 340 1.4
1985 360 GLS______1995 940 SE 2.3 Turbo Estate (daily)
1987 340 GL 1.7

alf
Posts: 124
Joined: 03 Oct 2008 06:00 pm
Location: Bucharest, Romania

Re: Gearbox mounts 360 GLT B200

Post by alf » 02 Feb 2015 10:19 am

Howdy!
Can you use these, from a AUDI 80 III (berlina / 89, 89Q, 8A, B3) (2.0 quattro - 85 KW) ?
http://www.autokarma.ro/suport+transmis ... 38/10339/0 althought on site it does not appear the lenght between the holes. :360:
the early bird gets the worm
`87 B200E on LPG grey GLT aka Time Machine

Ride_on
Posts: 2243
Joined: 26 May 2009 05:34 pm
Location: Belfast, N. Ireland

Re: Gearbox mounts 360 GLT B200

Post by Ride_on » 03 Feb 2015 08:32 pm

The bushes might fit but I would amazed if they were a match. Anyway the problem is also the brackets.
1980 345 DL_______1987 360 GLE (project car restored to GLT spec and B230FT'd)
1984 360 GLT______1987 360 GLT
1983 360 GLS______1989 360 GLE
1985 340 GL_______1986 340 1.4
1985 360 GLS______1995 940 SE 2.3 Turbo Estate (daily)
1987 340 GL 1.7

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