CRSCRS Posted March 7, 2011 Share Posted March 7, 2011 Hello all, has anyone here ever done a gas conversion on a B81 ? If anyone has and it is successfull please could i have some information ? Cheers Chris. Quote Link to comment Share on other sites More sharing options...
Richard Farrant Posted March 7, 2011 Share Posted March 7, 2011 Hello all, has anyone here ever done a gas conversion on a B81 ? If anyone has and it is successfull please could i have some information ? Cheers Chris. Chris, Rolls Royce actually built gas versions of the B81, some were used in buses and lorries. You might be able to find the correct parts for that engine. Worth contacting Richard Banister on 01797 253211 as he is a parts specialist in the RR B range of engines, and I think at one time he did have some gas parts. Quote Link to comment Share on other sites More sharing options...
Jerrykins Posted March 7, 2011 Share Posted March 7, 2011 Richard is right as ever. R-R did make gas versions called the B61G & B81G as I recall they had an Imco Carburettor and a healthy appetite for exhaust valves. There were natural and propane gas engine versions, the latter were more successful/reliable. Sadly the project died when the govt increased the levy on the fuels when they started to sell and the cost advantages were marginalised. Added to which the B range was by then more than showing its age, and was more expensive than contemporary diesels to buy & run, so sadly that was the death nell of the B-range. Jerry Quote Link to comment Share on other sites More sharing options...
fayjo56 Posted March 7, 2011 Share Posted March 7, 2011 There was someone with a Dennis F8 fire engine converted (B61). Quote Link to comment Share on other sites More sharing options...
CRSCRS Posted March 8, 2011 Author Share Posted March 8, 2011 Thanks for the information, cheers Chris. Quote Link to comment Share on other sites More sharing options...
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