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peter scott



Joined: 18 Dec 2007
Posts: 7113
Location: Edinburgh

PostPosted: Thu Nov 06, 2008 12:40 pm    Post subject: Reply with quote

The front sump bridge piece has for some mysterious reason got two redundant holes in it that only serve to increase oil leakage. So following Ed Nantes' advice I've partially tapped them with a first tap and made up a couple of aluminium plugs to screw into the holes. Almost every screw thread in the car is BSF but fine threads and aluminium don't mix so I've succumed to sacrilege and tapped Whitworth. The plugs are screwed in with Loctite until they bind tightly in the partial thread.


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1939 SS Jaguar 2 1/2 litre saloon


Last edited by peter scott on Thu Jul 06, 2017 8:19 am; edited 1 time in total
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peter scott



Joined: 18 Dec 2007
Posts: 7113
Location: Edinburgh

PostPosted: Thu Nov 13, 2008 7:07 pm    Post subject: Reply with quote

Well, I think I've now got number 2 engine ready for installation so the process of stripping number 1 engine has begun.

Still got to disconnect the exhaust systems which in turn lets me remove the starter motor. In the past I've found that I can't raise the engine high enough to let it separate from the gearbox. It doesn't clear the front crossmember so unfortunately I need to take them both out together but at least it makes it slightly easier to connect the new engine to the gearbox.

The old engine stripped for action. Thank goodness for draining basins that can hold 2 1/2 gallons of oil and pour from a spout. Very Happy
If for no other reason this strip-down has been useful in drawing my attention to a great big split in the fan belt. Wink



Number 2 engine awaiting installation...

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1939 SS Jaguar 2 1/2 litre saloon


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47Jag



Joined: 26 Jun 2008
Posts: 1480
Location: Bothwell, Scotland

PostPosted: Thu Nov 13, 2008 9:26 pm    Post subject: Reply with quote

Peter,

Those P100s sure look vulnerable Smile

Art
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peter scott



Joined: 18 Dec 2007
Posts: 7113
Location: Edinburgh

PostPosted: Thu Nov 13, 2008 9:44 pm    Post subject: Reply with quote

Very true! But the last time I took the engine out I got away with covering the P100s with bits of carpet. Don't want to disturb those solenoids you know. Wink

Peter


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1939 SS Jaguar 2 1/2 litre saloon


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47p2



Joined: 24 Nov 2007
Posts: 2009
Location: Glasgow

PostPosted: Thu Nov 13, 2008 10:00 pm    Post subject: Reply with quote

You're doing a grand job there Peter, a bit of an old hand at removing the Jag engine Wink
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peter scott



Joined: 18 Dec 2007
Posts: 7113
Location: Edinburgh

PostPosted: Thu Nov 13, 2008 10:09 pm    Post subject: Reply with quote

Thanks John, but maybe an old hand with a short memory. With Art prompting me to look at the pics I took the last time I see that I had the sump off when the engine came out so maybe I am a bit optimistic in thinking that I can get through between the P100s without knocking into them. Shocked

Peter
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peter scott



Joined: 18 Dec 2007
Posts: 7113
Location: Edinburgh

PostPosted: Fri Nov 14, 2008 5:58 pm    Post subject: Reply with quote

Just managed to squeeze the sump through between the headlamps..


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1939 SS Jaguar 2 1/2 litre saloon


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Rick
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Joined: 27 Apr 2005
Posts: 22429
Location: UK

PostPosted: Fri Nov 14, 2008 6:56 pm    Post subject: Reply with quote

Really enjoying watching work unfold Smile

R
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47p2



Joined: 24 Nov 2007
Posts: 2009
Location: Glasgow

PostPosted: Fri Nov 14, 2008 7:06 pm    Post subject: Reply with quote

Peter, you'll be glad that the engine is out, but not looking forward to fitting the other one. How much space was there between the headlamps and the sump?
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peter scott



Joined: 18 Dec 2007
Posts: 7113
Location: Edinburgh

PostPosted: Fri Nov 14, 2008 7:55 pm    Post subject: Reply with quote

47p2 wrote:
How much space was there between the headlamps and the sump?


About two carpet thicknesses! Shocked

It is a bit close but in reality the headlamp sideways adjustment does give a little more room and the crane is very controlable.

Quote:
Really enjoying watching work unfold Smile


Thanks Rick. Having bypassed a few stages, leaving a few unknowns, I hope there isn't too much more to unfold. Wink

Peter
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peter scott



Joined: 18 Dec 2007
Posts: 7113
Location: Edinburgh

PostPosted: Sat Nov 15, 2008 1:32 pm    Post subject: Reply with quote

Starting to transfer ancillary parts from engine 1 to engine 2 now. The water manifold that I need to use with engine 2 came with a brass blanking plug where the heater take-off needs to go. These brass bits seem very determined to remain wedded to their alloy homes and getting the plug out involved heating up the manifold and with the plug held firmly in a vice, unscrewing the manifold from the plug. (left of picture)

I wanted to fit the brass spiggot from engine 1's water manifold (centre of picture) but unfortunately it didn't want to play ball when subjected the same treatment so I thought I'd fall back on extracting the rather more untidy right-angled union from a spare manifold. Well, guess what, it didn't want to play ball either and left me with a sheared union bolt. (right of picture)


Not having anything anything else to hand and not really wanting to use the right-angled union anyway, I decided to use another get you out of trouble solution, namely plumbing fittings.

I drilled out the blanking plug and soldered a short piece of 15 mm pipe to it.

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1939 SS Jaguar 2 1/2 litre saloon


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peter scott



Joined: 18 Dec 2007
Posts: 7113
Location: Edinburgh

PostPosted: Mon Nov 17, 2008 7:39 pm    Post subject: Reply with quote

Given that the gearbox is out I thought I'd take a look inside and check for any obvious nasties. It all looks very pretty.


However, the gearbox does lose its oil. Probably not helped by me using rather thin fully synth in it. I had wondered about the rear projections of the layshaft and reverse shafts but they didn't appear to be at fault. The wetness seemed to on the sides of the box so I was begining to wonder whether I had put a gasket on the top cover when I reconditioned it many years back. As it happens there was a thin gasket there but maybe not sufficient as there was one part of the top cover where casting bubbles were compromising the seal, so I've made a thicker gasket from drawing paper and will keep my fingers crossed.


Having transfered the clutch assembly from engine 1 and centralised the driven plate with my trusty (modified) broom handle I've bolted the gearbox onto engine 2 ready for re-installation in the car....


and without damaging the P100s have now got engine 2 installed.


I have now secured the engine and gearbox mountings and re-connected
the prop shaft. I also installed the distributor and by a happy coincidence I find that it can sit at a sensible angle and I don't have to shuffle all the plug leads.

With a following wind I'm hoping to install the starter, dynamo, front exhaust down pipes and carbs tomorrow and with a bit of luck might hear her running for the first time. If things look good I'll then install the radiator and stick some coolant in her.
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1939 SS Jaguar 2 1/2 litre saloon


Last edited by peter scott on Thu Jul 06, 2017 9:48 am; edited 1 time in total
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dalbuie



Joined: 24 Dec 2007
Posts: 408
Location: Gullane

PostPosted: Mon Nov 17, 2008 8:36 pm    Post subject: Reply with quote

Hi Peter,

Looking good, you've been very quick at getting that changed over.

How long is it safe to run without the rad etc? It would certainly save me some effort when testing the engine after all the seals are fitted.

Cheers
D
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peter scott



Joined: 18 Dec 2007
Posts: 7113
Location: Edinburgh

PostPosted: Mon Nov 17, 2008 9:05 pm    Post subject: Reply with quote

Hi D.

As long as it doesn't get hotter than it would with coolant in it then there's no problem. A good guideline is if you can still keep your hand on the head. If it's too hot to handle then it's time to switch off.

P.
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47p2



Joined: 24 Nov 2007
Posts: 2009
Location: Glasgow

PostPosted: Mon Nov 17, 2008 9:36 pm    Post subject: Reply with quote

You are doing a grand job Peter, certainly not wasting any time.

On the running without water subject.
I wouldn't let it get as hot as Peter says. When you switch the engine off the temperature will increase further and without any water in it, this margin will be even higher than normal.
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