Petrol engines can be duel fueled but like anything, an engine functions better when designed and built for a specific fuel. I remember seeing a new Ford crate engine (D series Ford- English commercial) in the parts department of the local Ford dealership. It was a dedicated gas engine. Likely the valves, guides, maybe the head? and pistons were different. Essentially a diesel engine re speced for LPG.
At one stage here in N.Z. possibly 15 percent of cars on the road had been converted to duel fuel, either CNG or LPG with petrol. It was a whole new industry, which died as quickly as it started.
On the Caterpillar thing. Have they bought Perkins?
When I was working in Kalgoorlie (Australia) We had small diesels that were black and labeled "Perkins" and the yellow ones were labelled "Caterpillar" they were all the same and I was told Cat had bought Perkins?
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Bluebell
Carrier Armoured O.P. No1 Mk3 W. T84991
Carrier Bren No2.Mk.I. NewZealand Railways. NZR.6.
Dodge WC55. 37mm Gun Motor Carriage M6
Jeep Mb #135668
So many questions....
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