Howard Jones
Supporter
I found this on line. It looks like it's just what we need for alcohol in the gas.
http://www.gasoila.com/products/pipe-thread-sealants/gasoila-e-seal-thread-sealant.html
http://www.gasoila.com/products/pipe-thread-sealants/gasoila-e-seal-thread-sealant.html