A bit more from the car baddict

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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mac
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A bit more from the car baddict

Post by mac » 29 Sep 2015 07:18 pm

Now I have (at least part of) my workshop back in a useable state again I have been indulging myself playing with lots of carbs,

A general take apart, clean, and (hopefully) putting back together of some 109s, 83s, Z10s and Z11s (well us retired addicts have to do something all day),

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And another still hiding in the tank,

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One thing that will usually "scrap" a carb is a major failure of one of the main castings and a common problem with the later DIRs is failure of the air cleaner housing mounting studs - or at least the threads in the carbs top housing. Generally a "Helicoil" insert will resolve this but frequently the top flange is found to be distorted or even broken to the extent it cannot be reused. As fewer and fewer "good" parts remain we must become more inventive in repairing what we have.

One of "Today's" carbs illustrates this perfectly - a nice crack!,

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I'm going to investigate ways of repair, to begin with I've cleaned the area and drilled the ends of the crack to prevent further spread.

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The obvious choice would be to open out the crack with a burr and TIG it but I've come across a "new" way that uses a relatively low temp 500C (MAPP torch) and a rather special (read expensive) filler rod. The process seems rather like brazing.

I will report further as things progress

Mac.
88 5door Redline 1.7 52k - 19 XC60 Momentum Pro D4 AWD 17k
1950 pair of legs that don't work very well.

Ride_on
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Re: A bit more from the car baddict

Post by Ride_on » 29 Sep 2015 08:07 pm

I used lumiweld on the 360 gearbox mounts but also added a steel casing, just to be sure.

viewtopic.php?f=53&t=13717&start=15
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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Re: A bit more from the car baddict

Post by mac » 29 Sep 2015 08:50 pm

The kit I was looking at was called "Durafix Easyweld" but on second look seems to be a Lumiweld clone (at a rather higher price) - I'll investigate further!

Mac.
88 5door Redline 1.7 52k - 19 XC60 Momentum Pro D4 AWD 17k
1950 pair of legs that don't work very well.

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Re: A bit more from the car baddict

Post by macplaxton » 30 Sep 2015 01:39 am

The stuff I remember being tried by a friend 20-odd year ago was Techno Weld - http://www.techno-weld.co.uk/

One day I had to ditch my motorcycle on the deck because some plonker was coming down a one-way street at me - result: amongst other things was a broken engine side cover. That night I came into said friend's bike shop (it was "open all hours") and his solution to enable work the next day was to get the die grinder out, grind the crack out and get a Techno Weld rod into in the void. Not the prettiest repair to a brand new Kawasaki, but it held the oil in whilst I was waiting on a new cover.*

Just goes to show that new means new and "new" means old. 340pw




*After the new glossy one arrived, I think the repaired cover became an ashtray for a while before ending up in the scrap metal bin.
72 DAF 44 Estate 78 Volvo 343DL Black BeautyImageImage
82 Volvo 343DL CVTImageImage 88 Volvo 340DL Diesel

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Re: A bit more from the car baddict

Post by trabitom99 » 30 Sep 2015 09:30 am

Mac, that looks superb as always. If ever you get too bored, and feel like taking a Zenith Stromberg into your care, just let me know.

Cheers

Tom
343 GL Touring B14.1E CVT (155) 98000kms 1980 (sold)
343 L Junior B14.3E MT4 (155) 229000kms 1981 (scrapped)
343 DLS B19A MT4 (155) 167900kms 1982
360 GL Injection B200F MT5 (231) 348598kms 1988 (scrapped)
360 GLT B200F MT5 (302) 230000kms 1988

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Re: A bit more from the car baddict

Post by macplaxton » 30 Sep 2015 11:59 am

Mac,

What are the bottom of the float chambers like in those carbs? Last time I looked in my fairly new one it was pitted, whereas I thought it was smooth when new. Pesky ethanol?
72 DAF 44 Estate 78 Volvo 343DL Black BeautyImageImage
82 Volvo 343DL CVTImageImage 88 Volvo 340DL Diesel

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Re: A bit more from the car baddict

Post by mac » 30 Sep 2015 12:42 pm

Rich - smooth as,

Tom - if you would like me to rebuild a 175 CD2SE for you - you only have to ask!

Mac.
88 5door Redline 1.7 52k - 19 XC60 Momentum Pro D4 AWD 17k
1950 pair of legs that don't work very well.

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trabitom99
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Re: A bit more from the car baddict

Post by trabitom99 » 30 Sep 2015 01:30 pm

Mac, that is an extremely tempting offer. I'll give it some thought, and send you a PM.

Cheers

Tom
343 GL Touring B14.1E CVT (155) 98000kms 1980 (sold)
343 L Junior B14.3E MT4 (155) 229000kms 1981 (scrapped)
343 DLS B19A MT4 (155) 167900kms 1982
360 GL Injection B200F MT5 (231) 348598kms 1988 (scrapped)
360 GLT B200F MT5 (302) 230000kms 1988

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Re: A bit more from the car baddict

Post by Chris_C » 02 Oct 2015 04:22 pm

I'd not thought about it until recently, but what are the castings made of Mac? Reading a set of 1980's Model Engineers recently and there have been a couple of articles about casting with it, using "plentiful carb bodies from the scrap yard" :lol:

Would explain why the threads always pull through if they are.
'89(G) 340 GLE B172k
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Re: A bit more from the car baddict

Post by mac » 02 Oct 2015 04:45 pm

Grump, grump, grump,

Post from last night was there - now has gone!!!! - your comments are pertinent Chris.
Let's try a repeat.

Ground out crack, prepared for welding -

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Oh deep joy - Weber metal seems to melt at 1degC above Lumiweld - much wobbling later I've managed to make some sort of a job of it (clean it up over the weekend).

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One last thing for today - been playing with my new toy - using Soda as media at the mo and must confess much impressed! - pics to follow.

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Mac.
88 5door Redline 1.7 52k - 19 XC60 Momentum Pro D4 AWD 17k
1950 pair of legs that don't work very well.

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Re: A bit more from the car baddict

Post by mac » 03 Oct 2015 08:09 pm

A nasty Solex Z11 (360 B200k) top casting - before,

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After - using my new Soda blasting setup - I'm impressed

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The soda is very gentle on the castings!

Also today - SWMBO "the washing machine is complaining" - to keep the peace I listen - nasty bearing noise on spin cycle.
(Not helped by having tumble dryer mounted above washer) - a few checks reveal the noise comes from the motor!
Shocking it's a Bosch washer and only 11 years old!
Anyway pulled motor out and stripped - found back bearing gone (an INA 6002) front bearing fine.
New one on order from Simply Bearings for the HUGE cost of £3.45 - will put a set of brushes in as well.

The armature mounted up ready to reface the comm.

Image

Mac.
88 5door Redline 1.7 52k - 19 XC60 Momentum Pro D4 AWD 17k
1950 pair of legs that don't work very well.

derskine
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Re: A bit more from the car baddict

Post by derskine » 04 Oct 2015 12:14 am

Great work, the cracked DIR isn't the one I sent is it? I couldn't really see for all the muck!
1984 Volvo 360 GLE Saloon
1987 Volvo 340 1.7GL

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Re: A bit more from the car baddict

Post by mac » 04 Oct 2015 12:42 am

Hi Daniel,

No, cracked DIR was one from my scrap pile.

"Yours" will be going back together when the linkages come back from the re-platers.

Mac.
88 5door Redline 1.7 52k - 19 XC60 Momentum Pro D4 AWD 17k
1950 pair of legs that don't work very well.

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Re: A bit more from the car baddict

Post by volvomania » 05 Oct 2015 10:31 am

mac wrote:Also today - SWMBO "the washing machine is complaining" - to keep the peace I listen - nasty bearing noise on spin cycle.
(Not helped by having tumble dryer mounted above washer) - a few checks reveal the noise comes from the motor!
Shocking it's a Bosch washer and only 11 years old!
Anyway pulled motor out and stripped - found back bearing gone (an INA 6002) front bearing fine.
New one on order from Simply Bearings for the HUGE cost of £3.45 - will put a set of brushes in as well.
The armature mounted up ready to reface the comm.
Mac.
To keep the peace with the washing machine you mean :lol: or did you fancy a quick and easy in-between the carbs job :lol: ?
At least you have a washing machine you can service and that can let you go where no Volvo nut has gone before .....
Life is a journey, so sit back and enjoy the ride!

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Re: A bit more from the car baddict

Post by bogbasic » 05 Oct 2015 01:28 pm

That sounds very dodgy to me, in fact this whole thread is very dodgy.... that carb was perfectly fine before someone sonicated it and opened out all the cracks. I jest, of course.
1988 340 1.4 GL, 218k, 5 door (Grey Bess). Gone to CBA.
1991 340 1.7 GL, 64k, 5 door, petrol blue (Deep Blue).
1988 360 2.0 GLE, 140k, 5 door, ocean blue metallic (Blue Bess).
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