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-   -   bedford tk/mk cab (https://www.truckandbusforum.com/showthread.php?t=4052)

bedfordman 22nd February 2012 20:50

bedford tk/mk cab
 
hi all
i have for sale a tk/mk cab in very good condition
looking for £150 please contact me for further details
thanks paul

amin001 8th April 2012 18:37

I have a tk 6 cylinder am planning to put it on the road for long distance journeys but am worried about the fuel consumption because its a petrol engine any help please.
And the power to climb hills how powerfull is this engine i checked on the door its written HcB-AnGus Limited Totton Southampton England its like it used to be a fire engine.

G-CPTN 8th April 2012 18:56

Almost certainly an ex-fire engine - they were frequently fitted with petrol engines for 'performance'.

Fuel economy will be worse than an equivalent diesel.

The engine should 300 cu ins or 4.9 litres.

G-CPTN 8th April 2012 19:31

Quote:

Originally Posted by amin001 (Post 12308)
how powerfull is this engine

The standard engine is 115 hp at 3.400 rpm I believe.
Does your engine have two carburettors? If so, it will be more powerful.

The engine is usually reliable (unless you abuse it by overheating of course). Avoid switching it off immediately after flat-out running or at the top of a steep hill - allow it to idle until it has cooled down - otherwise it will 'run-on' due to pre-ignition from the residual heat in the head - though this doesn't seem to do any serious damage, but it can be alarming.

It is derived from the 1929 Chevrolet Stove-bolt engine and many many thousand were built. The Bedford R and S types (including the Green Goddesses) used this engine, so knowledge and spares are plentiful.

amin001 9th April 2012 06:17

Thank you for the reply it seems the only problem am gona i have is fuel consumption you know petrol is too expensive now is there no other way to reduce it consuming too much petrol it has one carburettors.
You said power of the engine is okay for long distance and climbing hills is it.

piper141 9th April 2012 09:09

What about LPG?

G-CPTN 9th April 2012 09:20

The obvious solution would be to fit the 330cu in (5.4 litre) Bedford diesel engine.
106 HP @ 2700 RPM and 238 lb/ft torque.

Another reliable engine and freely available - it was the standard option for your vehicle.

Top speed might be slower due to lower governed speed of 2700 RPM (300cu in petrol is 3400 RPM) but hill-climbing shouldn't be affected.

amin001 9th April 2012 20:38

Is it possible for u to get this engine 330cu for me tell me the price and the shipping together is it gona use the same gear box for petrol and this one for diesel plz tell me how many litters of fuel it can use per 100 km.
And this engine is it a 6 cylinder.

G-CPTN 9th April 2012 21:09

I'm not able to source any parts for you - I'm well and truly retired and have been for many years.

There will be many, many vehicles where you are that will use the Bedford 330 cu in engine so there will be some in scrapyards or in engine reconditioners and repairers. It is a six cylinder engine like yours.
Customers had the option of either petrol or diesel - most chose diesel, but for fire engines where speed was essential the 300 cu in petrol engine was the preferred option until much larger (466 cu in / 7.6 litre) diesel engines were introduced. Of course these were also much heavier, but fire engines tended to run at lower vehicle weights anyway so the difference was worth it for the extra performance.

I don't have the specifications of the ratios of the gears so I'm afraid I cannot advise you but any garage that works with Bedfords should be able to help you.

I would suggest that you persevere with the petrol engine - at least at first.

amin001 9th April 2012 21:28

Thank you i think let me just manage the petrol engine what if i try to fit a smaller carburetor what will happen is it still gona consume to much fuel or it will lose power and suffocate.

amin001 9th April 2012 21:31

What makes this engine consume too much fuel is it the carburetor or pump or the engine it self.

G-CPTN 9th April 2012 22:05

You don't get anything for nothing - performance has to be paid for - in fuel!

Diesel engines run at much higher cylinder pressures than petrol engines, and the specific fuel performance is better, so the diesel engine is 'more efficient'.

In return, diesels that are not turbocharged are 'sluggish' and have lower top speeds (in revolutions), but they have superior torque - especially at lower engine speeds.

There's nothing 'wrong' with your petrol engine, but it will rev more freely (and faster) than a diesel engine. You will accelerate faster - but use more fuel . . .
As I stated - you can't get something for nothing.

If you avoid 'screaming' the engine and using full throttle pedal you can reduce the fuel consumption - but you will never match the economy of an equivalent diesel engine that is driven the same way with the same vehicle performance.

Altering the carburation isn't really worthwhile - engineers have spent many hours matching the carburettor to the engine to achieve optimum performance, and fitting a smaller one (as you suggest) will upset the balance and you risk damaging the engine if it runs too lean - and you will certainly lose performance.

Make certain that you have cleaned the air filter (if this becomes blocked it will increase fuel consumption).

Keep your tyres correctly inflated (slightly higher pressures will be better than running soft tyres).

amin001 10th April 2012 07:48

what is LPG piper141 is talking about.

piper141 10th April 2012 09:47

Hi the LPG that I was talking about is Liquid Petroleum Gas or Propane. Propane works better in lower temperatures as it has a much lower freezing level. I don't know if it's an option for you in the UK. In NZ a lot of Bedfords were converted to LPG in the eighties CNG (Compressed Natural Gas) was also used although range is shorter and there were tuning problems with it. LPG in NZ is 110 octane rated but also a lot cheaper $1.29 per litre v's 2.20 per ltr for petrol.

lol1717 17th January 2013 11:11

Hi bedfordman could you send me a photo of cab kind regards Lorenzo

louistk 27th February 2013 18:08

Hi, if you still have the cab, then I'm interested. Thank you


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