darren m Posted December 1, 2014 Report Share Posted December 1, 2014 if not waxoil , what else is good to use and poss cheaper Quote Link to comment Share on other sites More sharing options...
la bala Posted December 1, 2014 Report Share Posted December 1, 2014 Nothing cheaper than waste oil Quote Link to comment Share on other sites More sharing options...
Cannon Posted December 1, 2014 Report Share Posted December 1, 2014 Waste oil would seal the underside for a while, but it would also pose a safety risk for other road users, in particular bikers. Waxoil stays where it's put, waste oil doesn't. It would wash off in the rain with road spray thrown up by the tyres etc. Imo Waxoil is the best stuff on the market at present in terms of value for money. Alternatively there's Dynax S50, which is reputedly fantastic. Having never used it I can't vouch for it, but there are more than enough positive reviews about it online. Quote Link to comment Share on other sites More sharing options...
four-wheel-drive Posted December 1, 2014 Report Share Posted December 1, 2014 Waste oil would seal the underside for a while, but it would also pose a safety risk for other road users, in particular bikers. Waxoil stays where it's put, waste oil doesn't. It would wash off in the rain with road spray thrown up by the tyres etc. Imo Waxoil is the best stuff on the market at present in terms of value for money. Alternatively there's Dynax S50, which is reputedly fantastic. Having never used it I can't vouch for it, but there are more than enough positive reviews about it online. I do not get that you are not going to get buckets of used oil and just chuck it at the bottom on you truck if painted on or lightly sprayed on I would have thought that there was no more risk to others than normal leaks from engines gear box or fuel leaks wax oil also rubs off. Quote Link to comment Share on other sites More sharing options...
Cannon Posted December 1, 2014 Report Share Posted December 1, 2014 (edited) It doesn't take buckets of oil to create a slip hazard. I'm not saying it's the worst idea in the world, and it's been used to good effect on many vehicles, but I wouldn't personally suppport it as a method of rust prevention. Wax oil may rub off, but it won't drip off when it gets wet. Edited December 1, 2014 by Cannon Quote Link to comment Share on other sites More sharing options...
figgy Posted December 2, 2014 Report Share Posted December 2, 2014 You can buy tins of spray on underseal that work well. Figgy Quote Link to comment Share on other sites More sharing options...
neil82 Posted December 2, 2014 Report Share Posted December 2, 2014 waste oil is corrosive, if you use that on any steel that's lost its paint your just making the problem worse, either stone guard or waxoyl are the ones to use Quote Link to comment Share on other sites More sharing options...
longspoon Posted December 2, 2014 Report Share Posted December 2, 2014 waste oil is corrosive, if you use that on any steel that's lost its paint your just making the problem worse, either stone guard or waxoyl are the ones to use + 1..... Quote Link to comment Share on other sites More sharing options...
andypaint Posted December 2, 2014 Report Share Posted December 2, 2014 Waxoil is rubbish. It melts and runs off in hot weather has no anti corrosion properties and is messy should you need to work underneath the car. If undercar is immaculate then epoxy primer from lechler brushed on followed by dinitrol underseal. If undercar is a bit tatty then use the two dinitrol products one is 3125 followed by 4941 to finish. Gives great anti corrosion protection and and tough durable finish. But before applying you must make sure underneath is clean and DRY! You mustn't trap any moisture. Quote Link to comment Share on other sites More sharing options...
four-wheel-drive Posted December 2, 2014 Report Share Posted December 2, 2014 waste oil is corrosive, if you use that on any steel that's lost its paint your just making the problem worse, either stone guard or waxoyl are the ones to use If that is so why then is it that if you look under a car/truck that has had an oil leak for a long time there is never any rust under the oil on the body/frame Quote Link to comment Share on other sites More sharing options...
la bala Posted December 2, 2014 Report Share Posted December 2, 2014 If that is so why then is it that if you look under a car/truck that has had an oil leak for a long time there is never any rust under the oil on the body/frame +1 Quote Link to comment Share on other sites More sharing options...
neil82 Posted December 2, 2014 Report Share Posted December 2, 2014 If that is so why then is it that if you look under a car/truck that has had an oil leak for a long time there is never any rust under the oil on the body/frame if its a continuous leak it stays wet to seal out water, acid in it will attack the paint, fix the oil leak and see how much rust appears after 6 months, if you must use oil buy the cheapest 20/50 oil on the bay and use that Quote Link to comment Share on other sites More sharing options...
Xr1200 Posted December 2, 2014 Report Share Posted December 2, 2014 Underseal is a waste of time unless it is on spotless new metal it just falls off I just wax oil every year it sticks to anything but like any treatment it does wear off Quote Link to comment Share on other sites More sharing options...
four-wheel-drive Posted December 3, 2014 Report Share Posted December 3, 2014 Probably best to buy a car/truck that has galvanized/good rust treatment from new My 2000 Jeep XJ still has hardly any rust in it to my way of thinking any car/truck made after 1995 should not rust if it has been looked after you will get the odd spot of rust on anything but if it was properly treated when it was made it should not rust. Quote Link to comment Share on other sites More sharing options...
la bala Posted December 3, 2014 Report Share Posted December 3, 2014 Anyone done any welding on a chassis that has been waxoiled internally, its great fun with flames coming out of every orifice Quote Link to comment Share on other sites More sharing options...
Xr1200 Posted December 3, 2014 Report Share Posted December 3, 2014 Yeah did my dads last week you can't beat red hot wax firing out in your face then having to go back and grind all the porosity out of the welds Quote Link to comment Share on other sites More sharing options...
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