How To Use Perko Flush Pro
- #i
I have read many threads about this. <br />Concluded that Perko Flush Pro is not something I would want to utilize. "West Marine customers" feedbacks are non that great to say the to the lowest degree.<br />MSD "Guardian" setup is close to $500 per engine, and I have ii engines. Practise non desire to spend that much.<br /><br />I am going to go with contumely open/close valves and promise that I volition not forget to open it back once I flush the engine. I figured as I get older I may need to custom guild a sign that would read "Close garden hose valve, Open raw h2o intake" 
. Simply I think I am proficient for now.<br /><br />Here is what concerns me:<br />Water pump impeller is in that location in the outdrive to draw raw water into the cooling system. Having the open/shut valve in the close position directly at the h2o intake hose volition prevent raw water entering the cooling system of the engine (which is exactly what I need).<br /><br />Would this create a problem for the outdrive impeller Information technology will be turning and pushing the h2o into a blocked passage. <br /><br />Would this overheat the impeller housing causing damage to condom impeller? <br />Anyone sees any problems having this setup for flushing?<br /><br />Thank yous.
AaronG
Petty Officeholder 1st Class
- #2
Re: Flushing I/O used in salt water (not with Perko Flush-Pro)
What you are thinking won't piece of work if the engine is running. Then again neither will the flushpro. To be able to fully flush the engine, y'all need to fix a manner to route the water from the alpha's pump overboard, and hose water to the engine. You'd need ii y valves. I call back its a bad idea to try to run the engine with the drive's raw water pump blocked off, and who wants to mess with all those valves every time you come dorsum to the dock. <br /><br />I have a flush-pro. Information technology works fine, only you lot are really only flushing the manifolds and risers. The quality of the flush pro seems fine, but the real downer is that you tin't really affluent the engine since the thermstat blocks the period. <br /><br />I saw somewhere an actual mercrusier part that either replaces the thermostat housing, or connects to information technology. It allows you lot to flush the motor properly. I'm going to endeavour to find that, and install it this winter.
- #3
Re: Flushing I/O used in salt water (not with Perko Flush-Pro)
AaronG, Thank you ror your comments.<br />That is why I take posted this question. I intend to run the engine while flushing. In one case the temperature volition reach 140, my termostat will open and the engine will be flushed.<br />I am set to have a drawback of "messing with valves" rather then have my engine sit full of salt water. <br />Perko Flush PRO - three bad out of 4 feedbacks...<br /> Flush Pro review <br /><br />Please, give some more opinions:<br />Blocked raw water passage from the outdrive... Problem or Not?
- #iv
Re: Flushing I/O used in salt water (not with Perko Flush-Pro)
Lenny,where are you planning on borer into???I had a boat with a single five.7 and ran 2 heater hoses to the block petcocks and joined them at the ends to a y connecter and ran that to a water outlet I installed in the cockpit.With the motor off I would snap a quick connect ,put it on depression pressure,and get out information technology to backflush while I cleaned up.I now have twin 5.0s and cant get most the petcocks so I tilt the drives up and reach down to the drives with earmuffs and exercise it the one-time fashioned way.Total of 10 minutes and I have to dry off each arm.Charlie
AaronG
Petty Officer 1st Form
- #5
Re: Flushing I/O used in common salt h2o (not with Perko Affluent-Pro)
I read those reviews before. I wouldn't heed dealing with the thing needing replacement every other yr if information technology flushed the whole engine. Too bad it doesn't. <br /><br />Try to find the mercrusier flush adapter. I retrieve its fairly new. That looks like the ultimate solution.
- #6
Re: Flushing I/O used in salt water (not with Perko Flush-Pro)
Charlie,<br />I could tap to the water intake hose right as it comes from the bulldoze. <br />I take to drop frazzle manifold of one engine to reach spark plugs on both engines. If I pull one engine out of the boat I could achieve to petcocks of both engines <br /><br />My drives do not come out of the h2o as high as I need to accomplish. I encounter what yous're saying. I would exist able to practice it if I dorsum into the dock. It would be very inconvenient as I would not be able to accomplish the bow to launder the boat. I tin can achieve transom from the within of the boat. <br />If I am in the dock bow in, I cannot achieve the bulldoze. <br /><br />Do you think it would cause impeller damage if I run it with closed intake valve??<br /><br />Thank you!
- #7
Re: Flushing I/O used in salt water (non with Perko Flush-Pro)
This is what I have in heed<br /> Flush
- #8
Re: Flushing I/O used in common salt h2o (not with Perko Flush-Pro)
I would exist more concerned with the normal flow WHILE you lot are running.Information technology looks every bit if the menstruation may be a chip restricted every bit it narrows through the valves.You may wind upward reducing the corporeality of water yous absurd with.Dont become me wrong,it aint that easy to get the muffs on by laying on my swim platform and reaching down ,but it IS simple.Charlie
- #9
Re: Flushing I/O used in salt h2o (not with Perko Flush-Pro)
If I had swim platform I would exist doing what you're doing and would stop bothering people <br />I have ane ane/four intake hose. I would use same size valves to make sure at that place is no restriction of flow. <br />It is the back preassure at the pump impeller that I am concerned with.<br />Thanks.
- #xiii
Re: Flushing I/O used in salt water (not with Perko Flush-Pro)
I changed my impeller every fall. I thought nigh not doing this this year. Mostly because ii years that I have been changing it it could accept lasted for one more season. I wanted to be on the relieve side because the toll of pulling the gunkhole out of the water is more than then the price of a new water pump kit.<br />I am not likewise crazy nigh doing something I have no thought of the outcome. Simply it sure looks like if noone has the answer for
I might also try and let yous guys know. <br /><br />Notice how this setup would work:<br />Close raw water intake and run the engine on fresh h2o will flush the block and manifolds. <br />Shut the other terminate and with engine off flush the bulldoze. I like this idea.
- #15
Re: Flushing I/O used in table salt water (non with Perko Affluent-Pro)
Come to recollect of information technology, I seem to remember a setup like what you desire to practice Len.The departure is that you accept to run a through hull off the valve set and then the water coming from the drive has somewhere to become.I know for a fact that you tin burn an impeller from revving besides high in neutral even though it is submerged.Based on that,I would assume that an impeller turning in the same pocket-sized corporeality of water that the housing contains could possibly oestrus the water up too much and cause premature failure of the inpeller or housing.Charlie
- #16
Re: Flushing I/O used in salt water (non with Perko Flush-Pro)
Charlie, <br />You are right. That is what I am worried about. <br />Impeller creates enough friction to boil the water if information technology does not circulate. It will overheat the housing and may cause impeller to soften prematurely.<br /> <br />I should accept a 3-way valve on the way in. Thruhull hose coming out of the 3rd end of valve. That is going to be "water release". <br />As long as I remember which position of valve will exercise what Volition demand to stay sober plenty for that <br />As I turn the water on and open up valves, I may be able to estimate by h2o coming out of my thruhull frazzle that it is rubber to commencement the engine.<br /><br />I figure information technology will cost aroung $100 for each engine, merely information technology will last a long time as it will be brass valves. <br /><br />Oh, I chosen Perko well-nigh "Flush-Pro" unit of measurement. They say it is not meant for I/O setup. It is good merely for Inboard. Information technology should be installed before the pump, that fashion with the garden hose attached to Flush-Pro it will non draw table salt h2o in through the thruhull water intake.<br /><br />With the outdrive, there is pressure from the raw water intake created past impeller pushing water into the cooling system. Flush-Pro is NOT DESIGNED to close or partially close the h2o intake with the outdrive. This will simply work if flushed with engine off. Otherwise, what happens is, salt water is still comming in mixed with fresh water. What good is it???... None IMHO.<br /><br /><br />My engines take never seen "Common salt Away". There has not been a week I have not used the boat, but still it sits in table salt water with the cooling full of table salt. 2 seasons old manifolds are starting to rust. And it is 4 manifolds and four risers for me to change <br />Both engines are rebuilt 80 hours on ane, 50 hours on the other. <br /><br />Brass valves !!! I am going for it. I just promise it does not starting time leaking from all the vibration and pounding. Besides MANY CONNECTION POINTS. <br />Flush <br /><br />Verdict: I/O guys !!! if you are flushing using Flush-Pro with your engine running... Who are you kidding
- #17
Re: Flushing I/O used in salt h2o (non with Perko Flush-Pro)
Hey Charlie, <br />Water boils at 100 degree celcius that is 212F.<br />If information technology boils information technology evaporates every bit steem creating space for new h2o to come in. Oil if heated may accomplish higher temperature. H2o will get to 212 and plow to steem. I am sure if I take an old impeller and boil it for 20 minures in the pot of h2o it will be fine. I am most likely right on the theory, but the aliminium insert of the impeller housing will get too hot from friction with impeller blades. <br />That was thinking outloud... <br /><br />Cheers!
- #18
Re: Flushing I/O used in salt h2o (not with Perko Flush-Pro)
I am not always correct but I am never incorrect
Source: https://forums.iboats.com/threads/flushing-i-o-used-in-salt-water-not-with-perko-flush-pro.52141/
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