Quote:
Originally Posted by Shaun @ Tru6
Here's the scoop. Nick makes a strong point about buying the unit that will save time and result in a cleaner finish, and given what he does, I am sure the net-net on the hot water pays real dividends.
My issue is two-fold and uses Nick's logic introducing the fact that I'm saving for a vapor blaster that I will use 10 hours per week every week at a minimum, and the one I need is a significant purchase. That's what my capital equipment account is focused on right now. Since I'll do just 4 cars per year with a pressure washer, it's a long amortization schedule to spend $2K on a hot unit.
Like I said, there is some serious clay-like material on this tub near the front fender wings. That's the real test. The rest is grimy but I think (we'll see) will manageable with cold/100F water.
Good advice all around.
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If you go cold/warm water, look into a turbo nozzle that is designed for the unit pressure you're using. I used a turbo nozzle to remove stuck on concrete on several machines. I'd think if it'll take off concrete, it'll get whatever you're working with off unless it's that undercoating Porsche used. Then you're going to need heat.
If you go the cold route, I'd go as high pressure as you can find.
BTW, what's vapor blasting?