DonYou asked a question in a post below that went unanswered, ie does the 330 CID engine have a longer stroke? The answer is no, all internal compnents other than crankshaft and camshaft are interchangeable with the 220 CID four cylinder of the same year. This engine was developed for the Thames Trader range of trucks and fitted as an option to 4, 5 and 7 ton models. The engine was intoduced in March 1957. The engine was modified througout its life and usualy with the same changes as the 220CID. The major exception is the cylinder head. In May 1962, with the intoduction of the Mk2 Thames Traders, the diesel engines (330 and 220 DID) recieved the Minimec injector pump. The 330CID also had a new cylinder head identified by the letters "FL" cast near number 1 injector. According to my truck service letter, this was to increase the swirl into the combustion chamber. The new head also had different injector nozzils. The injector pump mounting pad was changed for the new injector pump the year before. I have a Mk 1 truck with a Mk 2 block built in Feb 1962. The 220 CID recived this head modification in 1963, at the same time as the Intro of the New FSM. The cylinder blocks of the 330 CID were moddded in line with the 220CID, ie sleeves with O ring at top, etc, in line with the tractors. The truck service letter rates this engine at 100hp at 2400rpm. The industrial versions were rated at 86hp. Prior to thr introduction of the Minimec pump, some industrial engines had a mechanical governed version of the Simms A type pump. Also as an after thought, have you noticed that on the four cylinder engine prior to 1957 there is a pad on either side of the fly wheel hosing with four mounting holes. After 1957 there were two pads with 6 mounting holes. This is the engine mount point for the trucks, and the pad was increased in size for the six cylinder. The four cylinder recived the upgrade to allow common parts, but also had to be backwardly compatible with the ET6 range of trucks that used this engine from 1952 to 57. Hope this is of use. BTW, I got you email and thanks for the photos of you tractors. My FSM is doing sterling work at the moment. Regards
Steven
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