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Jaguar Mk2 3.4 mod
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Rick
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Joined: 27 Apr 2005
Posts: 22834
Location: UK

PostPosted: Sat Jul 06, 2013 8:37 am    Post subject: Jaguar Mk2 3.4 mod Reply with quote

I still like these, and aren't the 3.4s meant to be the smoothest of the lot? Lot of work to do on this one though.

http://bit.ly/1aLPrrd



RJ
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gresham flyer



Joined: 06 Sep 2008
Posts: 1435

PostPosted: Sat Jul 06, 2013 7:01 pm    Post subject: Reply with quote

I have worked on a few of these in my time.

To restore them properly you need to take a van to Martin Robey`s and a bucket load of cash and fill your van with every panel they manufacture.

Then before you start welding have the shell blasted.

The interiors are very costly to restore properly,especially the leather and veneer work.

Then there is all that chrome.!!!!

Try to find an unmolested one body wise,decent chrome and the best original interior and you may be on a winner.

I came across one last year,the chap had to buy it to get three other cars he wanted,the price was £2,000.
Very original interior,good body but paint and chrome poor.

G F
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Ellis



Joined: 07 Mar 2011
Posts: 1386
Location: Betws y Coed, North Wales

PostPosted: Sat Jul 06, 2013 10:30 pm    Post subject: Reply with quote

I have owned one since 1991 and it is generally agreed that the 3.4 litre engine is the smoothest and longest lasting of all the engine variants in the Jaguar Mark 2s.

The 3.8 is the most powerful but there are downsides to it. Firstly because the engine bores are lined it tends to feel a little rougher, caused I am told by differing expansion rates of the actual liners themselves as the engine becomes hot and secondly the oil consumption tends to be heavier as a result of the former.

It is a punchier engine, though.

The best 3.4 engine is one of those fitted to the 340. It has an "E" type straight port head and my late friend, Roy McBurnie, a superb mechanic who rebuilt my engine considered the 340 engine to be the best of the lot.
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1964 Jaguar Mark 2 3.4 litre
1962 Land Rover Series 2a 88"
2002 BMW M3 E46 Cabriolet
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gresham flyer



Joined: 06 Sep 2008
Posts: 1435

PostPosted: Sun Jul 07, 2013 12:32 am    Post subject: Reply with quote

If you want to move away from a standard production engine then take a 3.4 block......
Fit a cylinder head from the XJ6 sereis 3.
Fit the better composite cylinder head gasket,machining the head to suit.
Fit the modified rear crankshaft oil seal.
Electronic ignition system from a XJ6 series 3.
Alloy sump pan.
Remove the fan blades and fit a Kenlowe fan.
Remove the 4 speed box and overdrive,and fit the later Jaguar 5 Speed box .

My car with these modifications has more power than a 3.8 unit.

G F
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Ellis



Joined: 07 Mar 2011
Posts: 1386
Location: Betws y Coed, North Wales

PostPosted: Sun Jul 07, 2013 12:42 pm    Post subject: Reply with quote

Very interesting Gresham Flyer.

If you believe the boastful Jaguar SAE bhp figures, a 3.4 produced 210bhp and a 3.8, 220bhp, what is the output of your 3.4 engine with the modifications you listed? In SAE bhp figures, I mean.

The engine in mine is unmodified but I have added Series 3 XJ6 powered rack and pinion steering and soon to fit is a pair of Volvo 240 non vented disc brake callipers.

The gearbox is from a late (1967) Jaguar S type. I have debated with myself for months whether to sell the Mark 2 and buy something else but I have now decided to keep it.
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1964 Jaguar Mark 2 3.4 litre
1962 Land Rover Series 2a 88"
2002 BMW M3 E46 Cabriolet
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