The wonderful 2 Litre Lagonda explained
What is the difference?
There is a lot of talk about high chassis or low chassis, "you must have a low chassis"
This is not correct!
The main differences are minimal and non consequential.
• The front brakes on the low chassis have the torque shaft running through the kick-up at each side.• The front brakes on the high chassis have the torque shaft running under the front axle kick-up. • Most high chassis cars have the "light" rear axle, this is not a negative as it is easily strong enough and lighter!• The brakes and fittings on the low chassis axle allows the chassis to sit slightly lower but you can not feel this when driving.• The high chassis cars usually look more vintage as they look a little less sporty, personal preference rather than being better or worse.
As you see, very little advantage or disadvantage for either and although there are some more small differences, they are minimal at most.
Details that do matter!
Engine specifications:
The engine of the Lagonda 2L has many forms and was changed through the years. There are differences between the standard variations but none that truly matter.
Modifications and qualified engine rebuilds are more important. Follow me.
Lagonda 2litre engine variations.
Early 14/60 and 2 Litre high chassis and early low chassis cars had the early cylinder block with the exhaust ports all joining partly inside the block and partly in the exhaust manifold. This was not ideal and is the main cause of a dip in power in the mid range. It can be fixed.
Later 2 Litre low chassis cylinder blocks had the three exhaust ports terminating at the face of the block. This is better when making a new exhaust manifold as it also enabled Lagonda to redesign the cast exhaust manifold to slightly improve mid range power, but not by much.
Both types when fitted with a single carburetor in std form give about 50-55bhp.
Twin carburetors, Some cars are equipped with twin carburetors. Early cars have the Zenith triple diffuser type, we call these "triple confuser" as they are not great!
We prefer the SU types as they give a better flow and better fuelling. The power can go up to 60bhp with a twin car std engine and later exhaust type.
Supercharged cars, In std form the superchargers tend to give about 3-4psi boost. This brings the power up to about 70bhp if the engine is in very good condition and well setup. Still not a great power output but at least the mid range was improved again.
Our own development, 2.4 Litre conversion:
This is where the fun starts and the list of possibilities is endless,
After falling in love with one of the 2 litre Lagonda,s that Julian used to look after, Julian was asked by the owner of that car if a really worth while increase could be had.
The answer was YES. Ant the 2.4 upgrade was born 1 year later.
The 2.4 Litre conversion carries so many advantages it really needs to be made into a list,
1. Around 110 to 120 bhp or 125 to 135 bhp if a supercharged version, depending on final specification requested by the customer,
2. Very strong and flat torque curve,
3. Very easy gear changes compared to standard,
4. Soft and easy clutch pressure but very reliable and able to handle abuse,
5. Stainless steel exhaust manifold and exhaust system,
6. Car starts much easier.
7. Improved reliability due to much stronger internal parts and better balance,
8. No change in external looks other than the exhaust manifold,
9. Better cooling due to improved combustion and cleaned internal block passages,
10. Less oil leaks as we use modern crankshaft oil seals and a modern composite cylinder head gasket,
11. Massive driving enjoyment and the possibility to shame Vintage Bentley 3 litre owners.
Fully balanced Steel Crankshaft
This is one of our latest Long Stroke 2.4 Litre Lagonda Crankshafts just been fitted to a modified Lagonda Crankcase. Fully counterweighted and in Super Alloy.The best of the best!






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