Have TRACTOR Pistons Changed In 50 YEARS?
Published 2023-07-16
Not to beat a dead horse... but we had to figure out whether we were right or not when we made the claim that our modern pistons may expand less than the factory pistons in Dad's failed Allis Chalmers 210 Tractor engine. Now we know!
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All Comments (21)
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The only thing 2 machinists can agree on is... The 3rd machinist is doing it wrong
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Love how you have such a respectful, professional relationship with your father. You both share such a love for what you do - and it shows in the interaction between you.
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I love the fact that you invested the time to investigate this clearance issue further. I was hoping you would heat the pistons up to see the potential expansion differences and you did. Nice job to you both.
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Hey guys , you do incredible work. Was wondering if we could get a little update on how your Allis Chalmers engine rebuild is working out?
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I loved the banter. Always joking, with a bit of truth. Makes me think of my father. I love your videos, both for the information, and for the interactions and little stories.
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Incorrect piston sidewall clearance does not crack valves if they never make contact. Back to combustion temps and injection timing.
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Firstly i really enjoy watching your first rate machining your quality of work is second to none.an overfueling injector pump will send cylinder temps skyrocketing only "race spec"ring end gap could have survived such an event.
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That was interesting - to measure is to know and cutting those pistons apart supplied a lot of useful information to your process ... and it was cool to see how they were made!
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Great video. Just a recommendation when comparing and displaying data, graph it in a simple plot. Makes it a lot easier for people to see the differences.
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Glad you mentioned that the tractor is working well now hopefully it will last you guys a long time thanks for taking the time to do all this very detailed and informative stuff
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Nice addition to the tool crib! Cleaning guy has got to get that cutting saw cleaned out ! Great information guys!👍
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The one thing I would like to see is the difference in the ring groove depth diameter between the Old Old and the New Old pistons.
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I loved his comment about I've been telling you the whole time since you started this YouTube thing we're wasting time. Very funny I laughed.
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Nice job..... I'm 76 retired from truck mech.... Love your videos..... You should be a proud dad.....
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Science is always fun (for some of us). You mentioned that the old piston had TIn coating. As a retired machinist (CNC and Manual) I have had considerable experience wi9th this coating as well as others. The primary reason for TIn coating is lubrication. It's applied to carbide for that very reason not to have chip buildup on the cutting edge. I could have influence on the heat variation also on the wearing capabilities. Good video gentleman. Keep on smiling.
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Well done. Old guy here. Have built a few engines in my time. I can say that ring gap kills more engines than anything other than bad lifters with flat tappet cams ... 🙃
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You guys work great together never loose that with your pops I lost mine in 2006 it think of him every day stay safe my friends
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Watching y'all work and listening to y'all talk I had the realization that y'all and all the other people like you are the salt of the earth and what has made this country great and why it's worth fighting for.
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Very nicely done. Enjoyed how thorough you both were. 👍
