Jump to content

Military Land Rover Series 2.25L Petrol Engine


kevin50

Recommended Posts

Well Have I done the right thing here, Im absolutely hopeless when it comes to engines. bought this A1 Reconditioned Land Rover Series 2.25L Petrol Engine (mod-sales.com)
Everything except the Fan and dip stick seem good , thought the fan would be an easy fix untill I discovered that the pulley is damaged, Talking to a mate and he says I can put normal one back on and run 12 volt as this one is 24.
A few pics so yous can see what I have,
I have a few but first question is have I wasted my money ?
Second Should I leave it 24 volt, I know the Alternator needs changing but what else do I need to change to go 12 volt ?.

IMG_20210930_165824.jpg

IMG_20210930_165852.jpg

IMG_20210930_170009 (1).jpg

IMG_20210930_200330.jpg

  • Like 1
Link to comment
Share on other sites

8 minutes ago, Bowie69 said:

Just the dizzy, but you will need some 12V alternator brackets to fit the 12v alternator.

If your truck is 12V, convert the engine to 12v, way too much hassle swapping everything else around.

Thanks Mate its a rebuild just at rolling chassis stage at the mo, but dropping engine in soon as its on floor and taking up to much room.

So obviously I will need new leads ect, these are the ones I have now in pic

IMG_20210930_200420.jpg

Link to comment
Share on other sites

1 minute ago, Bowie69 said:

Yep, radio shielded plug wires and dizzy, all very expensive kit, may well be worth flogging on ebay, oh, and the plugs if shielded, £20 each last time I looked, iirc.

Yes was thinking that will get money back to buy my 12 volt stuff, yes plugs are shielded , I have 24 volt alt , dizzy, leads and plugs. Not sure what they are worth together.

dis.jpg

IMG_20210930_200541.jpg

Link to comment
Share on other sites

If they have bent the fan and broken the pulley like that. Since the engine was built up, then I’d be replacing the water pump and having a close look at the surrounding area for cracks while I was at it - the pump casing and bearings will have been hugely overloaded.

  • Like 1
Link to comment
Share on other sites

The fan being damaged is no great problem in this country, it is an upgraded unit for the 24V setup, as it is expected to sit on the hand throttle for extended periods charging the batteries for the radio gear.

 

In the UK or even most other places, there's no real benefit to be found, just extra noise.

Link to comment
Share on other sites

On 10/2/2021 at 11:01 AM, Qhriss said:

Find an electric radiator fan in scrap yard and work a sensor/switch setup , cheaper than the kenlowe kit and you loose that massive lump of bent fan !  Q

Think I can just put odinary smaller fan on I have found a 12 volt pulley that fits.

Gonna advertise all the 24 volt stuff as a Kit, must be somemone out there interested. Not sure what price to put on them though.

 

  • Like 1
Link to comment
Share on other sites

On 10/3/2021 at 2:49 PM, kevin50 said:

Think I can just put odinary smaller fan on I have found a 12 volt pulley that fits.

Gonna advertise all the 24 volt stuff as a Kit, must be somemone out there interested. Not sure what price to put on them though.

 

Am always amazed at the 24v kit prices - I would want to get rid soon as ! But guess some always want it 'standard '   😕  Q

Link to comment
Share on other sites

  • 1 month later...

Well after having nighmares about this engine Not starting after buying it unseen, finally got it set up for 12 volt and it does run, 

just rigged up to battery and solenoid to test. not sure if Water pump or Alternator  is working, is there a way to test them ?

Now I dont have a clue what sounds good or bad, so whats peoples opinions of this /

Thanks

 

Link to comment
Share on other sites

Yep, all good, perhaps timing a bit retarded or accelerator pump not working as its a bit sluggish to rev up.

Test the alternator by sticking a multimeter across the battery, anything over 13V and it is trying to charge.

Link to comment
Share on other sites

It seems you are unaware of the reported danger, to the alternator, of running it while not connected to an electrical load?
(I cannot see any wiring on the back of the alternator).

The hesitation on throttle opening may be influenced by running without the correct air cleaner in place.

Regards.

Link to comment
Share on other sites

5 hours ago, David Sparkes said:

It seems you are unaware of the reported danger, to the alternator, of running it while not connected to an electrical load?
(I cannot see any wiring on the back of the alternator).

The hesitation on throttle opening may be influenced by running without the correct air cleaner in place.

Regards.

Yes Was not sure about that, the Alt is not wired to anything yet, just a rolling chassis at he moment. should I just take belt off for now ? or is there a way to wire it as it is now ?

Thanks

Edited by kevin50
Link to comment
Share on other sites

If you take the belt off the water pump will not rotate, so I wouldn't recommend that.

To wire it up you will need a vehicle battery, the alternator uses the battery voltage as a reference voltage. Without this reference the alternator could run up to 16 or more volts, damaging itself.
Battery positive to the alternator output terminal(s).
Battery negative to the alternator case (given all the blue paint I'd suggest this connection be clamped between the alternator case and one of the mounting brackets).

IND terminal via a 2.2W lamp to battery positive. You can insert a switch in this lead, (switch on before running the engine) or just disconnect the lead when you aren't running the engine.
Without a switch the IND light will glow all the time the engine isn't running.

The current flowing through the illuminated lamp is the 'exciting' current for the magnetic field generated by the rotor. Without this current the magnetic field will be low, meaning little alternator output, BUT there will be some residual magnetic field in the rotor, spin it fast enough and the alternator will self excite, creating the abnormally high voltage.

Regards

Link to comment
Share on other sites

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.
Note: Your post will require moderator approval before it will be visible.

Guest
Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

×
×
  • Create New...

Important Information

We use cookies to ensure you get the best experience. By using our website you agree to our Cookie Policy