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Author Topic: Best engine to replace 2.25 Perkins diesel in a 1965 109 12 seater to give econ  (Read 6625 times)

Adrian

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Best engine to replace 2.25 Perkins diesel in a 1965 109 12 seater to give econ
« on: September 27, 2020, 06:23:21 PM »
To give economy , power, but keep it “original?
I have a 1959 swb soft top with a dihatsu F50 2.25 diesel converted 20 odd years ago, but this 12 seater safari needs something cleaner and more efficient., but not changing her character!
Really looking forward to hearing from you!
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109+1

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Re: Best engine to replace 2.25 Perkins diesel in a 1965 109 12 seater to give econ
« Reply #1 on: September 27, 2020, 06:39:05 PM »
Depends on what milage you do, petrol much quieter and refined but can be thirsty, a well sorted 200/300tdi powerful efficient but needs some sound proofing, or just fit a good engine that the vehicle was manufactured with.
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geoff

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Re: Best engine to replace 2.25 Perkins diesel in a 1965 109 12 seater to give econ
« Reply #2 on: September 27, 2020, 11:16:56 PM »

Power / economy / originality ..... now that is a contradiction ......... is it April Fools Day already  ???

 Sounds like you need a Land Rover Tdi conversion  :tiphat
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richardhula

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Re: Best engine to replace 2.25 Perkins diesel in a 1965 109 12 seater to give econ
« Reply #3 on: September 28, 2020, 08:27:31 AM »
A 12J hybrid using original 2.3 diesel ancillaries including vertical injection pump, timing chain and tensioner etc. Looks the same to all but the most informed and observant but 5 bearing smoothness particularly when pulling away in second, excellent fuel economy (33 mpg on long run in overdrive) and no significant smoke on startup due to 2.3 pump being used on 2.5 engine. Little increase in power but holds speed on hills better.
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Regards - Richard
1966 build S2A(c) 88" 12J hybrid diesel

This nowt wrong wi'owt wot mitherin clutterbucks don't barley grummit!

Noddy

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Re: Best engine to replace 2.25 Perkins diesel in a 1965 109 12 seater to give econ
« Reply #4 on: September 28, 2020, 10:20:17 AM »
Ran a 12J in our Dormy for 10 years seriously under powered and not very economical compared to a 200TDi got around 24 MPG. Put the engine into my SWB got around 28 MPG power was an improvement over the tired 2.25. Also they chug friend said he didn't need an alarm clock just listened to me going up the road at 5.30am.   
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Adrian

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Re: Best engine to replace 2.25 Perkins diesel in a 1965 109 12 seater to give econ
« Reply #5 on: September 28, 2020, 10:24:49 AM »
So reading the rules  , putting a 200/300TDi wouldn’t ruin the historic status , but you would surely have to upgrade brakes transmission rear axe etc ?
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Craig T

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Re: Best engine to replace 2.25 Perkins diesel in a 1965 109 12 seater to give econ
« Reply #6 on: September 28, 2020, 10:29:45 AM »
So what engine is in there at the moment?

Craig.
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Smokey 11a

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Re: Best engine to replace 2.25 Perkins diesel in a 1965 109 12 seater to give econ
« Reply #7 on: September 28, 2020, 10:51:52 AM »
Quote from: Adrian on September 28, 2020, 10:24:49 AM
So reading the rules  , putting a 200/300TDi wouldn’t ruin the historic status , but you would surely have to upgrade brakes transmission rear axe etc ?

 Land rover engine for another. will keep the status. The only up grade on the brakes I did was a remote servo. doesn't improve well set up brakes just makes
 it easier. On the transmission I fitted 3.54 diffs. I already had an Overdrive.
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Gylo

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Re: Best engine to replace 2.25 Perkins diesel in a 1965 109 12 seater to give econ
« Reply #8 on: September 28, 2020, 10:57:47 AM »
Quote from: Craggle on September 28, 2020, 10:29:45 AM
So what engine is in there at the moment?

Craig.

i think the clue is in the title, a 2.25 perkins
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1963 series 2a swb
1967 series 2a swb
1964 bsa

Craig T

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Re: Best engine to replace 2.25 Perkins diesel in a 1965 109 12 seater to give econ
« Reply #9 on: September 28, 2020, 11:19:07 AM »
I was wondering what type of Perkins engine that is.
I know the 4203 engine but think that is closer to 3 litre

Craig.
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Wittsend

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Re: Best engine to replace 2.25 Perkins diesel in a 1965 109 12 seater to give econ
« Reply #10 on: September 28, 2020, 11:25:35 AM »
What about a nice juicy V8  :whistle
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Who's a then ?
 

Gylo

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Re: Best engine to replace 2.25 Perkins diesel in a 1965 109 12 seater to give econ
« Reply #11 on: September 28, 2020, 11:33:00 AM »
Quote from: Craggle on September 28, 2020, 11:19:07 AM
I was wondering what type of Perkins engine that is.
I know the 4203 engine but think that is closer to 3 litre

Craig.
yes i thought that was strange wasn't this the engine that was in some sherpa vans ?
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Old Hywel

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Re: Best engine to replace 2.25 Perkins diesel in a 1965 109 12 seater to give econ
« Reply #12 on: September 28, 2020, 01:08:28 PM »
Quote from: Craggle on September 28, 2020, 10:29:45 AM
So what engine is in there at the moment?

Craig.
Good question. Title says Perkins 2.25 (never heard of one) then mentions Daihatsu. ???
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autorover1

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Re: Best engine to replace 2.25 Perkins diesel in a 1965 109 12 seater to give econ
« Reply #13 on: September 28, 2020, 01:17:01 PM »
Wonder if its a Prima , but that is about 2 litre
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ChrisJC

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Re: Best engine to replace 2.25 Perkins diesel in a 1965 109 12 seater to give econ
« Reply #14 on: September 28, 2020, 01:47:34 PM »
Perkins use a cylinder-count.capacity-in-cubic-inches nomenclature.
4.203 = 4 cylinders 203CI = 3.3litres
4.236 = 4 cylinders 236CI = 3.9litres

The Prima was 2.0l, so would have been 4.122, but I don't know if they actually referred to it like that.

Chris.
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