Identifying Triumph 6 cylinder engine

Engine Oily Bits, Ignition, Fuelling, Cooling, Exhaust, etc.
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LRT
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Identifying Triumph 6 cylinder engine

#1 Post by LRT » Fri Dec 09, 2016 3:30 am

I have a spare Triumph 6 cylinder engine that I wish to use while rebuilding the car's original engine which has a BW 65 but I am unsure if the spare engine is a 2000 or a 2500.

It has a 219016 cylinder head and 8 & 5/16"pushrods, which suggests it is a 2500. However, it has a BW 35 auto fitted rather than the BW 65 auto that was fitted to 2500 engines. The previous owner of the engine said the BW 35 fitted to this motor was the original gearbox fitted. Did 2500's come out with BW 35 autos?

The hand stamped engine number is: MK7049HEBW
1975 Triumph 2500 TC 4 speed manual
1975 Triumph 2000 4 speed manual with facelift plastic grill
1977 Triumph 2500 TC BW 65 auto - Toyota Guinea Gold

1979 Land Rover SIII Ex-Australian Army

https://www.instagram.com/lrtmms/

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johnconradlee
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Re: Identifying Triumph 6 cylinder engine

#2 Post by johnconradlee » Fri Dec 09, 2016 11:40 am

MK engines are apparently Australian AMI built 1973 (before they were available in the UK) 2500 TC.
John Lee

1966 Triumph 2000 Mk1 "LuLU" (the Lee family Triumph) - various shades of Green - Currently on SORN. Requires the engine sorting and a bit of bodywork (blooming rust! :evil: ).

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Re: Identifying Triumph 6 cylinder engine

#3 Post by LRT » Sat Dec 10, 2016 12:18 am

Thanks John for your prompt an informative reply - much appreciated. Caleb
1975 Triumph 2500 TC 4 speed manual
1975 Triumph 2000 4 speed manual with facelift plastic grill
1977 Triumph 2500 TC BW 65 auto - Toyota Guinea Gold

1979 Land Rover SIII Ex-Australian Army

https://www.instagram.com/lrtmms/

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#4 Post by SiennaTC » Sat Dec 10, 2016 5:50 am

Hi Caleb.
MK blocks were 2.5's fitted to 73 - 75 2500TC's in Australia before we started getting MM blocks.
Yes BW 35's were unfortunately fitted to 2.5's! They had a cooler fitted as standard as opposed to the 2000. The change to the 65 happened at the same time as the change to HS6 carbs and 2500TC grille badge etc.
Hope that helps.
Jeremy

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Last edited by SiennaTC on Sat Dec 10, 2016 11:04 am, edited 1 time in total.

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Re: Identifying Triumph 6 cylinder engine

#5 Post by LRT » Sat Dec 10, 2016 10:29 am

Great Jeremy, that's very interesting and helpful to know. Thanks, Caleb
1975 Triumph 2500 TC 4 speed manual
1975 Triumph 2000 4 speed manual with facelift plastic grill
1977 Triumph 2500 TC BW 65 auto - Toyota Guinea Gold

1979 Land Rover SIII Ex-Australian Army

https://www.instagram.com/lrtmms/

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