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leaf spring upgrade on 1966 IH

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Uploaded by on Nov 9, 2008

Replaced old 1 ton springs with 2.5 ton springs. Custom fab 100%.

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Autos & Vehicles

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Uploader Comments (1966ih)

  • Man oh man is that some heavy duty engineering. Love it!

  • @RatRodSlant6Valiant Thanks! The new springs have held up without any issues so far.

  • Greetings, I have a cow trailer and I was thinking of putting a leaf suspension on it. It's only a single axle trailer but how do you work out how much weight for the amount of steel to be applied?

  • @krazyhartin A good spring shop will be able to recommend aproper set of leaf springs once you tell them the weight. They will look at the "spring rate" (stiffness), travel desired (deflection) and total load carrying capability. In classic terms for a LINEAR spring.....F=KX where F is the force, K is the spring constant and X is the deflection. The math is non linear for leafs but is fairly clear cut.

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All Comments (23)

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  • @1966ih Thanks for the informative reply. Great truck by the way. All the best. :)

  • @mauiboisugi Aloha & God Bless you and your family.

    Ron

  • @1966ih U r very welcome I know putting this type of stuff u will get haters but any video we posted but yeah I am not one of them this is a great video and keep up the great work let me know if u do anything with anything else shoot have a good one and God Bless Aloha.

  • @mauiboisugi No honest question is ever stupid. Tnx for the compliment on the truck. You are right that drilling holes makes it weaker. But even more important is where you make the hole. The holes you see here lower the strength about 2% in transverse flexure about the neutral axis. Translation: It is the top and bottom that takes the bending load in the Z axis. The sides hardly carry any of that load. Drilling hole in top or bottom would weaken it a lot.

  • Had a ? doesn't it weaken the frame when u put too much bolts ro is that just a dumb ass ? that I am asking and if so I am sorry for. Solid work man great job very clean everything turned out shoot den Aloha

  • Great looking truck! I saw your winch recovery video the other day and unfortunately thought it was another brand of truck, I apoligize. Go international!

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