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  1. #1
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    High PSI pressure washing.

    New to detailing and have enough now for a pressure washer. I am looking to get one that's 2,200 psi. Is that too strong to use on a vehicle? I'm worried about chipping paint or damaging the vehicle somehow. I want the higher PSI to also maybe get into pressure washing houses and decks etc.

  2. #2
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    Re: High PSI pressure washing.

    That should be fine,I have a 4000 psi Honda pressure washer that I can regulate the pressure down to 200 psi and up to 4000 if need be.you won't need all that pressure to do a car,maybe wheel barrels or floor mat blasting.

  3. #3
    Super Member Joe@NextLevelDetail's Avatar
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    Re: High PSI pressure washing.

    Quote Originally Posted by jhartz321 View Post
    New to detailing and have enough now for a pressure washer. I am looking to get one that's 2,200 psi. Is that too strong to use on a vehicle? I'm worried about chipping paint or damaging the vehicle somehow. I want the higher PSI to also maybe get into pressure washing houses and decks etc.
    2,200 can chip paint, I have a 2,000 psi electric pressure, and I have chipped paint with it. But it was on my friends beater car that already had chipped paint.

    If there is a chip the pressure washer lifts it and chips and cracks more.

    Just keep a safe distance from the car and respect the machine.

  4. #4
    Super Member oldmodman's Avatar
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    Re: High PSI pressure washing.

    And use the broader nozzle to keep the pressure under control. Never use the pin point sprayer as it can actually damage the paint and even lift off emblems.

  5. #5
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    Re: High PSI pressure washing.

    I prefer 2000 anyway. If anything, just have the nozzle further back

  6. #6
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    Re: High PSI pressure washing.

    Quote Originally Posted by oldmodman View Post
    And use the broader nozzle to keep the pressure under control. Never use the pin point sprayer as it can actually damage the paint and even lift off emblems.
    Different nozzles will vary the spray pattern therefore reducing the direct pressure on any one spot. My gas powered PW doesn't have an adjustment for PSI, so therefore I vary the pressure with the various nozzles.
    --Shagnat

  7. #7
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    Re: High PSI pressure washing.

    Pressure can also be reduced on many pressure washers by using a nozzle with a larger orifice. (It depends on the type of unloader valve the PW has.) Basically think of the pressure washer as a constant volume pump. Increasing the orifice size of the nozzle with the same flow rate of water results in decreased pressure. There are charts that can be used to assist in selecting the orifice size.

    NOTE: The pressure rating on the pressure washer is the maximum...do not try getting more than that pressure by selecting a smaller orifice!

  8. #8
    Super Member Detailing by M's Avatar
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    Re: High PSI pressure washing.

    you don't need that unless your washing 100's and 100's of cars a day.
    I've always use cheap little electric ones and they work fine for years and years.
    I have never seen the reason to spend thousands of dollars to wash one car at a time.
    You only need a little pressure and your done. I've never come across anything my little pos pw couldn't handle.

  9. #9
    Super Member Cabrio's Avatar
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    Re: High PSI pressure washing.

    I used to have a monster gas Honda pressure washer and for me, what a total pain in the wazoo. Just moving that beast was a project unto itself. I now have an electric 1700 psi and that is perfect for washing cars and handling pretty much everything around the house. I dare to say, more is not necessarily better. Risk vs reward.

  10. #10
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    Re: High PSI pressure washing.

    Quote Originally Posted by GSKR View Post
    That should be fine,I have a 4000 psi Honda pressure washer that I can regulate the pressure down to 200 psi and up to 4000 if need be.you won't need all that pressure to do a car,maybe wheel barrels or floor mat blasting.
    What is a pressure washer called that you can switch the psi up and down?

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