Lotus Elan

Help with fuel valve

PostPost by: andrewk » Wed Jan 16, 2019 7:55 pm

Not EXACTLY an Elan question but someone out there may be able to help. My S4 has an electric fuel pump and the pictured regulator valve. The valve is leaking; fuel is getting through the diaphragm, filling the upper chamber and escaping up the adjuster thread. Replacing the diaphragm would be a five-minute job but I don't even know what brand the valve is. Does anyone out there recognise it?

unbranded-valve.jpg and
andrewk
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PostPost by: disquek » Wed Jan 16, 2019 8:34 pm

It's a Holley. They fail often!

This is the rebuild kit. Use the low pressure spring. You will need to readjust it after you replace the diaphragm and spring. It's likely that yours has the high pressure spring turned way down. Most people fail to realize there are two versions, or they buy a pump a regulator kit, which comes with the high pressure version.

https://www.amazon.com/dp/B00029JC76/re ... pCbXGKH717

It's an easy job. Good luck!

Kyle
'70 S4 Elan - Cosworth BDP & Spyder Chassis
'62 S2 Super Seven Cosworth
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PostPost by: andrewk » Wed Jan 16, 2019 10:09 pm

Thanks Kyle, much obliged. I have ordered two....
andrewk
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