360 carby fuel supply

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bogbasic
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Re: 360 carby fuel supply

Post by bogbasic » 01 Aug 2020 04:12 am

The car-port roof finished, to the cats approval, and more moggie work done.

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That mist is spray from a Humbrol air brush ;-0

Hoping to activate myself to get back to the 360 next week. I have been ordering different sizes of O-rings for the CO adjustment screw on the carb. I think I have the right size now, after a fair amount of trial and error.

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It looks like the ring has to be made of 2mm thick rubber with an inner diameter of 1mm and an outer diameter of 5mm. Then it stretches over the brass pin, and will be slightly squashed by the hole it goes into, to what I think will be the right size!!
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).
1989 340 1.7 GL, 108k, 3 door (Red Ness).
More info here!

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SteveP
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Re: 360 carby fuel supply

Post by SteveP » 03 Aug 2020 10:36 am

Good stuff, that looks similar to the o-ring that Mac supplied me for my GLS (Solex Z11 too), it certainly seems to work and seal correctly but the tight fit made adjusting the screw quite difficult as it was hard to tell if it was turning! Now that it all appears to be set up ok though I hope not to need to touch it again!
1989 - Volvo 360 GLT
1985 - Volvo 360 GLS
2008 - Volvo S60 SE Lux

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Chris_C
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Re: 360 carby fuel supply

Post by Chris_C » 20 Aug 2020 04:38 pm

Glad to see progress BogBasic, how is the idle now?
'89(G) 340 GLE B172k
'03 S60 D5 SE, '91 (J) MX5, 1954 Cyclemaster
Ex:
'89(F) 340 GL F7R (ex B172k) - Fake -> SBKV 300 Runner Up 08, 12; '91(H) 340 GL B14.4E - Kar; '88(F) 360 GLT B200E - Jet -> BKV 300 Runner Up 09; '89(G) 360 GLT B200E - Beast

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bogbasic
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Re: 360 carby fuel supply

Post by bogbasic » 11 Sep 2020 02:05 am

Hello Chris, I missed your post, sorry. I have only dared to get back to Volvo work today and, as you can see, the garage was a bit buried by leaves.

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I did finally manage to remove the jammed-in brass screw with an expertly-honed set of eye lash tweezers, as shown below.

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I then replaced the O-ring with what I think is the correct size (right-hand side of the three below).

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I refitted the screw but could not start the car to test everything because the battery was flat, sorry.

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Will try asap. Battery on charge.
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).
1989 340 1.7 GL, 108k, 3 door (Red Ness).
More info here!

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Chris_C
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Re: 360 carby fuel supply

Post by Chris_C » 15 Sep 2020 07:17 pm

Hopefully you've spotted it, or its the photo angle, but I'm certain the screw on the right of those three is a very different thread pitch even though the diameter looks the same.

What one has been getting stuck in the carb and blowing out? I can't see anything in previous posts that mention it, but would prefer to say incase you haven't spotted it!
'89(G) 340 GLE B172k
'03 S60 D5 SE, '91 (J) MX5, 1954 Cyclemaster
Ex:
'89(F) 340 GL F7R (ex B172k) - Fake -> SBKV 300 Runner Up 08, 12; '91(H) 340 GL B14.4E - Kar; '88(F) 360 GLT B200E - Jet -> BKV 300 Runner Up 09; '89(G) 360 GLT B200E - Beast

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bogbasic
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Re: 360 carby fuel supply

Post by bogbasic » 19 Sep 2020 11:38 pm

Hello Chris, yes, the two screws on the left with a wider thread are from a couple of spare carbies which are older models. The one on the right is from my car and that is the one which now has a new O-rings and it fits well, thankfully. I was using the old screws to get the thickness of the O-ring just right, well, by eye. I found out several months ago, to my annoyance, that I could not use either of my spare screws due to the difference in thread! I called MAC at the time (trying to cadge a new O-ring) and neither of us had any idea why the thread would have changed. The screw was only jammed in because before the lockdown the only O-ring I managed to get was way-too big. Getting the eye-lash tweezers just right took some time! They were pretty thick metal - thicker than normal fine tweezers!! Not very good for your eyes though - bit of an epic hazard.

I cured a couple of fuel leaks and had it all running well yesterday, but lost it today. I think I know why...
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).
1989 340 1.7 GL, 108k, 3 door (Red Ness).
More info here!

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