Originally Posted by
ian4002000
The 6 cylinder motors are very smooth and run great but are extremely thirsty, hence the number of 6 cylinder holden conversions that were done in the seventies.
Also the cost of rebuilding an imported motor compared to fitting a locally produced motor from a wreckers may have been a consideration.....
Originally Posted by
sharmy
and large appetite for exhaust valves.
Exhaust valves are difficult to get to and adjust. I have two with no exhaust valve issues, one was run on gas for years.
Adjusted regularly they don't appear to be a problem.
A friend with a 3 litre Rover has a theory that people run them on the lean side because of the horrible fuel consumption and this along with poor maintenance promotes exhaust valve issues.
Did the Army have issues with the Series III fleet ??
When I was sorting out my Series I to drive to Cooma in 2008 my father-in-law set it up a bit on the rich side (F-head motor as with the six). His theory was that the cost of a little extra fuel vs. the cost of trying to fix a burnt out valve was good insurance.
From memory the six has more torque than the 4-cyl but not much of an increase in power. The fuel consumption isn't great and partly because of the Army we have a lot more here than in the UK.
Colin
'56 Series 1 with homemade welder
'65 Series IIa Dormobile
'70 SIIa GS
'76 SIII 88" (Isuzu C240)
'81 SIII FFR
'95 Defender Tanami
'58 Series II (sold)
Motorcycles :-
Vincent Rapide, Panther M100, Norton BIG4, Electra & Navigator, Matchless G80C
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