All you have accomplished is free up some deposits around the valve face/seat you still have leak"n valves. The same could B done just by pouring top engine cleaner rite in the spark plug hole. rotate the engine a few cycles and add a little more. Sit back and wait repeat as you see fit. You can also induce the cleaner threw the intake. Their are some real good cleaners out their,,, GM top engine cleaner is the best,,, I think they now have it in a aerosol,,, chrysler has it in a rattle can. I have a set up made by BG to preform a top engine clean"n,,,, in almost all cases it helps performance issues. For the most part If I run into a sick"n valve disassemble is the only answer to the problem BUT I do try other techniques fer I tear into it. If the problem is from rust cuzz the engine has set for a while no clean"n I have ever done will resolve the issue,,, in the end the valve will need to come out. Same applies for a purt neer new valve job,,, clearance is to tight no oil/cleaning is gonna free it up. I guess I need to learn to git a good chuck"el out of these DIY repairs and forgit it. If one has the time,,, will"n to kill a few beers,,, likes that fuzzy feel"n he gits from hiz Fantastic EZ to use Scrubbing Bubbles spray wipe and go treatments then Gofer"it. Its time well spent with the family (tractor) could B worst you could ignore it. It hard to say its a waist of time but I think you will have short term benefits other than may-B in the process one mite learn some"n and mite even feel more comfortable when it comes time to tackle a valve job. OK what have I got to add to this "Fantastic EZ to use Scrubbing Bubbles spray wipe and go treatment" It also will git spots out of the carpet,,, Wipes out tough grease and grime,,, leaves a nice fresh sent,,, We do the hard werk so you don"t havta" Seriously tho enny piston driven engine will benefit from a upper intake clean"n. Thats why I spent the big bucks for a tool to do the job,,, course I like to make a few bucks 2,, He he.
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