f100 5.8 towing a v20 uphill

[aussie]

ok ill check if my head gaskets r leaking or the heads r cracked there r the 3 ways i check them

(1) get engine hot remove all sparkplugs and burn your hands and place a screwdriver in each cylinder then after a min check for moisture on the screwdriver

(2) we call it TEE KAY HEAD TESTER

(3) a gas analiser in the raditor filler to see if any exhaust gases r present

it all is good then ill buy a new larger core radiator and fit themo fans os a falcon and a switch to turn them on of a 88 ford laser they r a one wire switch that supplys earth to the relay

and yes my truck has a clutch fan on it

well winter is getting close now so it can wait a while as im poring money into my boat