Fireman049 Posted April 20, 2014 Report Share Posted April 20, 2014 I'm thinking of fitting an SU electric petrol pump to my TR3A. Any observations or advice please? Tom. Quote Link to post Share on other sites
Alec Pringle Posted April 20, 2014 Report Share Posted April 20, 2014 Hi Tom, you'd do better having an OE AC mechanical pump properly rebuilt by Dave Davies . . . . excellent result, excellent value. Cheers Alec Quote Link to post Share on other sites
Fireman049 Posted April 20, 2014 Author Report Share Posted April 20, 2014 Thank you Alec ~ Tom. Quote Link to post Share on other sites
Willie Felger Posted April 20, 2014 Report Share Posted April 20, 2014 Hello Tom, I have used both SU and Facet pumps and currently have the latter on my TR3A. The benefit is that they fill the carbs before you crank the engine, giving the battery and the starter a much easier time. If they pack up they are easy to change and there is no risk at all of a split diaphragm fiiling the sump with petrol. I will not go back to a mechanical pump. Regards, Willie Quote Link to post Share on other sites
Fireman049 Posted April 20, 2014 Author Report Share Posted April 20, 2014 Spot on Willie ~ Thank you for that ~ I'll definitely fit the SU pump! Best regards ~ Tom. Quote Link to post Share on other sites
ianc Posted April 21, 2014 Report Share Posted April 21, 2014 If fitting an electric pump, feed the supply through one of those safety cut-out devices (as fitted to TR6s) so that in the event of a crash, the power is turned off automatically. Ian Cornish Quote Link to post Share on other sites
Fireman049 Posted April 21, 2014 Author Report Share Posted April 21, 2014 Good advice Ian ~ Thank you Tom. Quote Link to post Share on other sites
stuart Posted April 21, 2014 Report Share Posted April 21, 2014 A properly rebuilt pump as done by Dave Davies will last you forever. The only way a split diaphragm will allow fuel down into the sump is because most rebuild kits dont include the oil seal in the lower pump lever or the pump is so old the original seal is knackered, you can usual tell this because engine oil will be weeping out the side of the casting. Stuart. Quote Link to post Share on other sites
Fireman049 Posted April 21, 2014 Author Report Share Posted April 21, 2014 Thank you Stuart ~ Tom. Quote Link to post Share on other sites
TorontoTim Posted April 21, 2014 Report Share Posted April 21, 2014 Stuart and others - three quick questions: 1. Is it easy to see whether a fuel pump has a nice healthy oil seal present, or does it require a strip down? 2. Do you know whether the new pumps available are ok in this and other regards? 3. Do you have contact info for David Davies? I can't seem to find him My pump works well, but I do have the oil weep... Thanks! Quote Link to post Share on other sites
stuart Posted April 21, 2014 Report Share Posted April 21, 2014 Stuart and others - three quick questions: 1. Is it easy to see whether a fuel pump has a nice healthy oil seal present, or does it require a strip down? 2. Do you know whether the new pumps available are ok in this and other regards? 3. Do you have contact info for David Davies? I can't seem to find him My pump works well, but I do have the oil weep... Thanks! Tim You have PM. Stuart. Quote Link to post Share on other sites
TorontoTim Posted April 21, 2014 Report Share Posted April 21, 2014 Thanks - very helpful. Quote Link to post Share on other sites
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