DIY Valve Refacer Machine for $50
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- čas přidán 20. 08. 2024
- Indian Bill's Cylinder Head Shop: A true Do It yourself valve refacer machine, or valve grinder for restoring used valves from a cylinder head. Why Pay $500 PLUS when you can make one yourself for $50 using a cheap made in china drill press, plus a cost of a vice and grinding stone..
Interesting way to do it. I've been reading the comments and you have a few naysayers. What they dont seem to understand is not every engine is used everyday or needs to be at peak performance for effective use. Also many people don't have the funds to buy the "proper equipment " or to pay for a professional to do the work. As far as the comment about the runout of the valve preventing the valve from sealing which could be a problem, this will be confirmed either way when the valve is lapped.
I personnaly am going to try this method on some valves i have just to see what kind of results I can get. If it doesn't work, I still have more valves. Nothing to lose.
Right now I am trying to come up with a way to bore out the valve guides fo replacement. If I come up with something that works I may post a video on it. Thanks for sharing your method.
There's certain operations that doesn't require nuclear tolerances, like this one. Be careful boring out the valve guide bores, that can ruin your whole day if they are off..
I've refaced valves with my lathe plenty of times in the past.
Yeah, but your lathe is a precision machine, not some old wabbly, flexing, chatter causing drill press built from PVC pipe!!! ha ha ha
this can save an intake valve but not an exhaust one, grinding the valve face is a precision job, a patato shaped contact face will need so much lapping that the benefit of redressing the contact face will be completely cancelled.
I can't recomment to follow that procedure for any other reason that bring an old clunker run, the price of the gaskets required to reassemble the heads offsets the cost of having these valves professionnally refaced.
Interesting idea. But if the drill press isn't fastened perfectly level any tilt would have to be factored into the angle displayed on the finder.
Yep
Yes good but should have set it on 44 degrees
Where ya from ??😁
Excellent video 👍
You are out there
You have no idea how out there I am..
Good video im thinking of trying this, i ported my 2.8 heads with factory valve seat grind and were i squared by bowl's to the seat i got a spot in my seat a lil thin, I'm probably not even 40 thousands, i thought about grinding my seat a lil wider and letting the seat on the valve side come on out to the edge i little more to try and cheat it in a little, i know its not ideal but hopefully it seals better, i still have not checked to see if it even leaks yet but it's got me nervous, good video im an eastern KY boy! cats cats cats 🐈
I would check it real good first, just a few thousands can mess up your spring clearance and it will sit too high. If I am understanding what you're saying, you don't have much there to play with. But sinking the seat a very very very small amount might work but check it good first before you do it..
Nice, it will do the job. After all we aren''t building a stratvarius
Ugh 😑
I’ve asked this question on a number of different channels, and no one knows for sure - the questions is: did Ford on their 60’s and 70’s heads have the 3 angle valves and seats or were they all straight 45 degree valves and seats.
Good question... I would venture a guess it was a simple 45 degree cut and lap. To answer that question 100% I would try and find a head repair manual from the 1960's.
Every old Ford FE and Windsor stock head I ever worked with were just one angle on the valve job. Even a freshly rebuilt set of D8OE heads off my 351W reman long block are one angle and it's all freshly re done.
For cleaning just use an old drill bit & scotchbrite, you’ll spend 1/4 of the time and it’ll come out better
You're prob right! Thanks for the comment and please subscribe!
Genius! Old school get r done
Where ya from ??😁
Enjoyed watching this, what would you have used to square file and dress the valve tip true again from rocker wear ? Thanks
This might be somthing I would be willing to try with a old Briggs & straton engine but for the 390 in my old truck I'll use the sioux valve grinder or pay to have them dun professionally. Its defenatly a interesting idea. And probably good enuf for some stuff, but not my good stuff.
@@LauRoot892 my mom
@@LauRoot892 you asked were im from. I'm from my mom. I came from my mom. Lol
@@LauRoot892 Iowa
@@LauRoot892 why the long face? Did I let you down??
@@LauRoot892 how could I have possibly let you down?? What was expected of me that I did not come through on??
Cool vid :-) Do you set the 46 degrees from vertical (stem) or horizontal (seat)? Thanks.
I will have to go back and watch the video again to give you an accurate answer.
Great 👍 idea ..do you have an approach to face the seat ?
If you set your vise to 46 degree then your stone is set to 44 degrees?
That thicknes is called the margin.
I actually think I knew that, I think..
Funny how youre aiming at 46 degrees when there is a visible play in the vertical shaft that holds the chuck. You need to rebuild the drill press and tighten it all up before doing anything remotely precision with it.
You don't listen do you.. 2:36
@@KentuckyColonelYeah I heard you saying that valve refacers are not precision machines. But that statement could not be further from truth. They are and they are expensive for a reason. You need to do some reading on engine rebuilding because your statement that 46 degrees is for the valve to be lapped in is wrong too. 46 degrees (or 44 degrees - depends how you look at it) are specified because of thermal expansion of the valve head. So both your statements are wrong. Actually almost everything you say in this video is wrong. Nobody should follow your example.
@@NilsJakobson 🙄
Engines aren't made of glass. Contrary to popular belief, they don't need to be 100% perfect to run well
What is the name of the jig that holds the grind stone?
A flat vice
@@KentuckyColonel Thank You
Okay you showed the dirty valve 4 times oh my......use a cordless drill and sit down Emory abrasive cloth I see a lot of pits mine didn't look bad.Started 3lb hammer extension & 7/8 socket put heads in a long cardboard box pop springs 2 minutes
👍
Where ya from ??😁
Ran when parked
Great idea for a cheap valve grinder. Lapping will help with the sealing. Where can you get the valve grind stone and what grit is it?
Aluminum Oxide and 120 grit I do believe,,
@@KentuckyColonel Thanks! I found a Van Dorn valve grind machine locally but for an antique, they still wanted $300 so I think I'll pass as I won't be using it on a daily basis.
lol this waas fuynny at best this is tractor grade
Well, your first problem is... Ford!!
No, actually they ARE precision machines (valve refacing machines)! But now I know why you Ford guys can't win races, it's all how you're doing things! ROFL!! The chatter on that valve you "refaced" is incredible! he he That thing ain't going to seal shit!
Mid-range pitted? ROFLMFAO!!! WTH is that? ha ha ha!!
Hack
This is not the way to do it. Drills are not a precise machine and if you put a run out micrometer on this drill it will tell you all you need to know. Consentricity is very important and this would not work for diesel engines that are even less forgiving. Will it run ? It could but unturned under compressed fuel will create burned spark plugs and failed injectors and develope smoke from unturned fuel. Checking concentricity and also a leak down test will confirm the condition of the seat. Leaking valve is a predictable conclusion of untburned fuel and leading to multiple other issues including a bent connecting rod. Unburned fuel builds up and liquid does not compress leading to a bent rod.
SMH Looking good or as good as you can is not the same thing as properly refacing a valve. There is so much wrong with this video. Please don't do this. Most machine shops charge only a few dollars each to reface a valve
It works in a pinch.. the jest of the video isn't a perfect deal here, it's getting it running if this is all you have available. Geeez
Excellent video 👍
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