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  Petrol evaporation
Posted by: morrisminor - 14-07-2018, 09:30 PM - Forum: Forum chat... - Replies (7)

Has anyone had any trouble starting their car( Zenith 26va) in this hot weather, it will not go on handle unless I manually fill the float bowl then it fires first time, it appears the priming lever in the fuel pump doesnt work.Before filling it, the bowls almost empty after just standing 24 hours, once running its fine

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  Timing starting point.
Posted by: Graham Honnor - 14-07-2018, 09:19 PM - Forum: Forum chat... - Replies (8)

Hello
I have a '37 Ruby engine M244... with a 2 bearing crank and h.c head.
Could someone please tell me if a starting point for setting the timing is TDC or 
11/2" BTDC at the flywheel?
I usually have it at TDC but to make it run at it's smoothest I need to slightly retard it which can't be good
so I end up putting it back to TDC.
However, I do wonder whether I should be starting at the 1 1/2" BTDC point which I thought was for the earlier engines.
Or have I got that all wrong? which isn't unknown for me.
Many thanks for your time
Graham.

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  Water brake - power absorber
Posted by: Mogens - 14-07-2018, 12:24 PM - Forum: Forum chat... - Replies (2)

Have anyone tried a water brake on Austin 7 engine .I think the only and lightest way to get some load on engine out of car. Even standard engine 13 BHP /2400 RPM  in other words ,you must take 10 KW heat away for some time .
I don´t have a water brake ,but have tried an Eddy brake from a excercise bike .But this get very hot in few minutes at little more than idle speed,and torque is too low to make decent brake . If you only  use it some hours to bed in rings and get spark plugs up at 500degr c ,to burn oil and soot away,then to buy one are rather expensive.
Mogens

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  Rogue Half-Shaft
Posted by: AustinWood - 13-07-2018, 05:50 PM - Forum: Forum chat... - Replies (4)

   

I seem to have a rogue half-shaft in my 1929 rear axle.
We recently took the back wheels off the car to repaint them and noticed the the nearside hub seemed to have a bad bearing. Very noisy when turned.
Having taken off the hub I found bearing to be good, but the noise persisted when turning the shaft itself.
With both wheels off the car and first gear engaged the noise was still there, but seemed to me from the near-side. This points to the differential being the culprit.
I have now taken the differential out and bearings look OK, so I was rather puzzled.
It seems to be caused by the pinion on the inner end of the half-shaft which I assume is not cut accurately.
There are two more problems with this shaft.
The thread at the hub end is incorrect. A new nut only goes on 3/4 turn and jams. The nut that was with it is OK.
I have had continual problems of oil coming down the tube onto the brakes.
When I fitted a new crown wheel  and pinion some 9000 miles ago I fitted lip seals to stop this which haven't worked on this shaft.
I now see why.
It is only rough machined on the section where the seal operates. No hope of the lip seal working so for now I'm going back to felt.
See attached picture.
Oil leaking onto the brakes is cured by using a sealed wheel bearing and making sure the 2 hub parts are properly sealed to.

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  Starter Switch
Posted by: williamsderbys - 13-07-2018, 10:47 AM - Forum: Forum chat... - No Replies

I am trying to put together a spare bacon slicer starter but the two 'castings' i have use two types of starter switch.
The large bodied switch is in casting marked 90601
and the smaller switch in a casting marked (faintly) 17612. It is also painted a tasteful light green.
Never seen the smaller switch so is it a Lucas product or perchance CAV?
JW

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  Flywheel taper
Posted by: jansens - 12-07-2018, 09:50 PM - Forum: Forum chat... - Replies (4)

My engine building continues slowly, mainly due to lack of practical experience. I had a great visit with Mr Hainsworth who checked my cam gear meshing for me, something tricky to judge having never seen it before. Steve confirmed the cam gears are good.

He also spotted a mistake I had made where I had left off the dished oil thrower on the rear main bearing. He suggested replacing the old cover with one of the modern ones with an oil seal. Yesterday I speedi sleeved the flywheel boss and have the new rear cover plate arriving today hopefully.

I have lapped the flywheel onto the taper. This is where I am confused. The flywheel taper seems to have a section machined out of the centre so the taper doesn't touch at all in the middle. The red book doesn't seem to mention this but Austin 7 Club article does: http://www.austin7club.org/How%20To3.htm

So is that normal?

I just lapped enough to get even marking on the taper where it does touch. Definitely makes a difference, even with the nut finger tight the flywheel locks onto the taper and needs a tap with a rubber hammer to unstick it.

I measured the run-out at about 6 thou which I think should be OK. 

Another question is I am using Phoenix rods with modern shells. The rods have little notches where projections on the shells locate into. These are only on one side of the rod. Does it matter which way around the rods go in the crankcase? I suspect not as long as I have them all on the same side?

Simon

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  New Restorer - Advice on DJ4 Dizzy Base
Posted by: Eddamoo - 12-07-2018, 09:23 PM - Forum: Forum chat... - Replies (15)

Hello all!  My father and i are excitedly starting our restoration of a 1933 Box Saloon following the Beaulieu rally and after meeting many lovely people.  Apologies for the basic questions, but as a Millennial, im more comfortable soldering ECU's and playing with injection systems as opposed to carb jets and these crazy mechanical fuel pumps!

When bolting the engine together, we noticed a lot of 'slop' in the distributor cap fitment.  Unfortunately, part of the alignment guide on the base had snapped off so the 2 pieces do not mate properly.  We therefore presumably need a new base.  Unfortunately i can only find bases for the DK4 Base and not the DJ4!  We are trying to keep the car as original as possible (until it inevitably lets us down!) so was hoping someone could point me in the right direction for a new one please?

Additionally, the rotor arm has a few thou of play.  Would this be ok 'fixing' by some PTFE tape around the shaft or similar?

Some images of progress so far.  We cannot wait to have a running chassis!

[Image: IMG_20180712_201922.jpg?raw=1][Image: IMG_20180712_201843.jpg?raw=1][Image: IMG_20180712_180454.jpg?raw=1]

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  Bantam Two seater
Posted by: David.H - 12-07-2018, 06:26 PM - Forum: Forum chat... - Replies (13)

Anyone fancy a 1933 American Bantam two seater project? One for sale in Clovis New Mexico on Hemmings www.hemmings.com for only $4500. Quite a lot of "lookers" at it but it should be saved from being rodded!
Ad says the motor runs! Looking through the pictures it is mostly all there apart from seats / trim / lights/ top , but looks in generally un-molested condition. Very stylish.
I dare not get another!  I can't get a direct link, so you will have to look it up!
David

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  woohoo another good day
Posted by: Tony Betts - 12-07-2018, 12:55 PM - Forum: Forum chat... - Replies (7)

After the disappointment of England's football result last night Sad

It didn't feel much better after several pints of the black stuff, at our local red lion.

Well we are ENGLISH, and used to disappointment.

BUT TODAYS ANOTHER DAY. And this pile of boxs just landed on the door step.


[attachment=3236]

and here is some good news for austin 7 builders and restorers.

If you read the forum regular, you will know we bought out the items that quarry engineering used to supply to the market.

This means we are now buying dirrect from the supplier, and the items are then cheaper.

We would like to pass on the savings to our customers, so.

Valves are going to be reduced in price from £7.00 to £5.00 each for Standard size valves Wink
                                                         from £8.00 to £5.50 each for 29mm oversize inlets  Wink
Valve guides will be reduced in price     from £2.50 to £2.00 each for parallel guides  Wink
                                                         From £4.00 to £3.25 each for stepped guides  Wink

I'll let you check the savings against other suppliers for yourself.

Enjoy the savings, and pass on the good news.

There will be more savings coming in on other items over the next year.

[attachment=3237]

[attachment=3238]

[attachment=3239]

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  logging on test
Posted by: Peter Clayton - 12-07-2018, 12:21 PM - Forum: Forum chat... - Replies (2)

Just testing to see if the log on has really worked, and it appears that success is achieved. I will try to change my password later so the saga may continue. My thanks for the interest shown by other members on the FB site. All I did was to try to log in as earlier,but this time when it asked for the verification digits,I refreshed the choice and bingo we had lift off. I hope that the Web master and R.D. enjoy their holidays.Pics please R.

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