Hamish Posted July 8, 2019 Report Share Posted July 8, 2019 (edited) If I change out my fuel line to something like this braided system https://www.motamec.com/info/instructions_AN_JIC_hose_fittings/ can someone tell me what the thread size is on the fuel tank outlet on my ‘59 3a Thanks H Edited July 8, 2019 by Hamish Sp Quote Link to post Share on other sites
BlueTR3A-5EKT Posted July 8, 2019 Report Share Posted July 8, 2019 (edited) See your Aintree Post I have not checked a fitting but I think it is 1/4 BSP threaded. Are all your fuel pipes to the pump 5/16" diameter? With a long flexible hose from tank to pump your car will be like a TVR....regular PITA when the hose securing clips break, the pipe drops, and snags on a passing bit of road. For me the rigid pipe is a far more secure method. Here is the joiner (item 30) stating 1/4 BSP for 5/16" pipe. https://www.vintagecarparts.co.uk/products/438-equal-ended-union-five-sixteenth Moss is cheaper for the joiner (060172) https://www.moss-europe.co.uk/union-5-16-060172.html Peter W Edited July 8, 2019 by BlueTR3A-5EKT Quote Link to post Share on other sites
Hamish Posted July 8, 2019 Author Report Share Posted July 8, 2019 (edited) 21 minutes ago, BlueTR3A-5EKT said: See your Aintree Post I have not checked a fitting but I think it is 1/4 BSP threaded. Are all your fuel pipes to the pump 5/16" diameter? With a long flexible hose from tank to pump your car will be like a TVR....regular PITA when the hose securing clips break, the pipe drops, and snags on a passing bit of road. For me the rigid pipe is a far more secure method. Here is the joiner (item 30) stating 1/4 BSP for 5/16" pipe. https://www.vintagecarparts.co.uk/products/438-equal-ended-union-five-sixteenth Moss is cheaper for the joiner (060172) https://www.moss-europe.co.uk/union-5-16-060172.html Peter W Thanks Peter. Edited July 8, 2019 by Hamish Quote Link to post Share on other sites
BlueTR3A-5EKT Posted July 8, 2019 Report Share Posted July 8, 2019 UPDATE Have now checked the tank pipe union it is 1/2" unf x 20tpi Peter W Quote Link to post Share on other sites
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