There has been a range of engine numbers supplied to the 2.25 litre engines we have fitted in our Landies.
Numbers commencing with 151 are early SII 2.25, 3 Main Bearing engines.
Series IIa 1968-71, numbers commencing with 271 suffix A –J are 2.25, 3 main bearing diesel engines, as are 276 suffix A – J and 271 suffix K onwards.
Numbers commencing 237 and 252 are 3 main bearing 2.25 petrol engines, of 7:1 compression ratio.
The engines fitted to SIII’s are numbered as follows. (Commencing with the first 3 numbers)
901…….3 main bearing, Petrol, 8:1 compression
902…….3 main bearing, Petrol, 8:1 compression
904…….3 main bearing, Petrol, 7:1 compression
906…….suffix A – J, 3 main bearing, Diesel
951…….3 main bearing, Petrol, 8:1, military specification
952…….3 main bearing, Petrol, 7:1, military specification
From 1982 onwards Land rover started using the 5 main bearing engines in their vehicles, and in fact some of the petrol engines were carried over into the early 90’s and 110’s.
361……5 main bearing, Petrol, 8:1 (36123672B onwards metric)
364……5 main bearing, Petrol, 7:1 (36407286B onwards metric)
365……5 main bearing, Petrol, 8:1, military specification
And last, but by no means least,
366……5 main bearing, Diesel (36619420B onwards metric)
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