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Austin100
Joined: 06 Nov 2018 Posts: 44 Location: Denton
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Posted: Tue Nov 06, 2018 9:23 pm Post subject: AUSTIN 10 gs1 |
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Can anybody help?
I have a1946 Austin 10 gs1 and am struggling to get the timing sorted. The Cassell's handbook says there is a small inspection cover on the flywheel housing that shows when no1 piston is at TDC. I cannot find the cover. I have looked in the engine bay etc.
Does anyone have a similar car is there an inspection cover on yours??
Also there doesn't seem to be any marks on the fan belt pulley so any ideas how to set the timing please.
Peter |
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Penman
Joined: 23 Nov 2007 Posts: 4763 Location: Swindon, Wilts.
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Posted: Tue Nov 06, 2018 9:41 pm Post subject: |
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Hi
The earlier 10's had an inspection cover, centrally, in front of the gear lever, on the bell housing. _________________ Bristols should always come in pairs.
Any 2 from:-
Straight 6
V8 V10 |
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Austin100
Joined: 06 Nov 2018 Posts: 44 Location: Denton
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Posted: Tue Nov 06, 2018 11:58 pm Post subject: |
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Penman
Thanks for the reply when you say an earlier model is it still the gs1 type?? And is the cover visible without removing anything. |
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Rick Site Admin
Joined: 27 Apr 2005 Posts: 22451 Location: UK
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Posted: Wed Nov 07, 2018 8:49 am Post subject: |
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Welcome to the forum.
Somewhere I probably have a factory manual for the GS1 but right now I can't lay my hands on it. I did find a handbook from 1946, it doesn't mention the cover in the text but, to back up what Penman says, in an overhead (cutaway) diagram of the car, it does show a small inspection cover on top of the housing, just in front of where the gearlever goes into the 'box. From memory the 10 has a rubber gearbox cover which would need removing to access the inspection cover, from inside the car. Remove the carpet over the transmission tunnel and you should see things better.
RJ _________________ Rick - Admin
Home:https://www.oldclassiccar.co.uk
Videos:https://www.youtube.com/user/oldclassiccarRJ/videos
OCC & classic car merchandise (Austin, Ford ++):
https://www.redbubble.com/people/OldClassicCar/shop |
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Rick Site Admin
Joined: 27 Apr 2005 Posts: 22451 Location: UK
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Austin100
Joined: 06 Nov 2018 Posts: 44 Location: Denton
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Posted: Wed Nov 07, 2018 11:09 am Post subject: |
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Rick
Thanks for the info yes it does have a rubber cover I will remove it and see if it's there.
Cheers Peter |
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Rick Site Admin
Joined: 27 Apr 2005 Posts: 22451 Location: UK
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peter scott
Joined: 18 Dec 2007 Posts: 7120 Location: Edinburgh
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Posted: Thu Nov 08, 2018 10:27 am Post subject: |
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Hi Peter,
You could just take the appropriate spark plug out and sense TDC with a stick then mark it on the crank pulley. With a little geometry you can then the mark the actual timing position.
HTH
Peter _________________ http://www.nostalgiatech.co.uk
1939 SS Jaguar 2 1/2 litre saloon |
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Austin100
Joined: 06 Nov 2018 Posts: 44 Location: Denton
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Posted: Thu Nov 08, 2018 12:30 pm Post subject: |
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Hi Peter
Is this possible with this engine being a side valve when I look through thre spark plug hole I see the top of the valves I think.
Thanks Peter |
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Peter_L
Joined: 10 Apr 2008 Posts: 2680 Location: New Brunswick. Canada.
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Posted: Thu Nov 08, 2018 1:35 pm Post subject: |
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Hello Peter Au. (we have a few Peters')
A quick check for the compression stroke, press your thumb or finger over the #1 spark plug hole and have the engine turned (by hand). You will feel the air compressing as it comes up on the that stroke. As Peter S suggests, mark the pulley and block, first somewhere with say chalk so you can double or treble check the feel of the compression and then when it is absolute TDC, a small dab of white paint, but if you can get in, make a dimple with a drill bit and fill with white paint. HTH's2.
Peter L |
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47Jag
Joined: 26 Jun 2008 Posts: 1480 Location: Bothwell, Scotland
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Posted: Thu Nov 08, 2018 2:10 pm Post subject: |
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Peter,
OK if you can see the valves that’s great. To get a rough area where TDC is monitor the valves on No.4 while an assistant turns the engine, it may take a couple of revolutions, as the No. 4 exhaust valve closes the inlet valve will be getting ready to open. At that point No. 1 is TDC on it compression stroke. Mark the pulley at this point and you have rough timing mark. For ignition timing purposes it’s close enough to get the engine running. It can be moved with the engine running to get the best idle and road tested to check for pinging and retarded slightly if you hear it.
Art |
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Austin100
Joined: 06 Nov 2018 Posts: 44 Location: Denton
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Posted: Thu Nov 08, 2018 2:42 pm Post subject: |
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Peter l and Art
Thanks for the advise.
What you both say makes sense. I will have a look first for the inspection cover which is supposed to be behind the gearstick gator but failing to find that I will try your suggested method.
Unfortunately my car is in a lockup garage away from home so getting access to it is a bit limited but as soon as I get time I will try and get it sorted.
Cheers
Peter
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Austin100
Joined: 06 Nov 2018 Posts: 44 Location: Denton
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Posted: Fri Nov 09, 2018 5:29 pm Post subject: |
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I have removed the carpet and removed rubber gear box cover alas no inspection cover!!
The top part of the bell housing where I would assume the inspection cover to be is behind a metal plate which runs across the width of the car. Removing this looks fiddlly and it seems mad to have to remove this to get at an inspection cover. (Which might not even be there)
I have taken some photos but don't know how to up load them !!
Peter |
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Rick Site Admin
Joined: 27 Apr 2005 Posts: 22451 Location: UK
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MVPeters
Joined: 28 Aug 2008 Posts: 822 Location: Northern MA, USA
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Posted: Fri Nov 09, 2018 7:39 pm Post subject: |
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Austin 100
You might try making a note of where the #1 cylinder high tension lead is on the distributor cap, then remove the cap & rotate the engine until the rotor points in that direction with the points just breaking. That will be TDC on #1 cylinder.
Then put a chalk mark on the bottom engine pulley & the block. It won't be 100% accurate, but you'll be in the right area.
(I wouldn't mind betting you'll find timing marks already there!). _________________ Mike - MVPeters at comcast.net
2002 MINI Cooper 'S' |
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