As far as thread sealant
http://www.permatex.com/products/Aut..._with_PTFE.htm
http://www.permatex.com/products/Aut...d_sealants.htm
We also use liquid thread sealant that we've bought at OSH hardware stores..
AS far as the LOW pressure lines, make sure it can handle the heat
Here is an
example (transmission cooler hose)
http://www.ebay.com/itm/Hayden-Autom...item4cfde2bdc9
http://www.ebay.com/itm/Goodyear-652...item564831e881