Quote:
Originally Posted by Mike V. Florida
Apology.
I jumped to a conclusion about reuse of Babbitt. I have zero proof that they do anything other then use the pot to melt the old rod bearings out.
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You also jumped to the conclusion that Ford used "Babbitt"! Ford DID use lead-based Babbitt during the teens & earlier in his engines, however based on what I have seen on factory documents, he NEVER used 'tin-based Babbitt'. If you can prove otherwise on M-Specs, I will retract my statement but my research at the archives (-not based on hearsay) counters what some are saying. While some may consider my statement above as splitting hairs, -IMO it was some of you that started this nonsense first.
To clarify my statement above, it was in the 1830s that a guy named Isaac Babbitt blended alloys to create a poured casting that was suitable for high-load bearings. By the time Ford started producing engines, Babbitt's patents had expired and other companies were manufacturing Casting Alloys too. And, by the time Henry Ford got around to manufacturing the 2nd generation of Model-A, he & his engineers were manufacturing their own blend of casting alloy consisting mostly of Tin, Copper, & Antimony. This was not something that Isaac Babbitt, -nor his company had engineered, nor were manufacturing, ...and my research shows that Mr. Babbitt nor his company had anything to do with supplying Ford the casting alloy used in the Model-A engine. Many people erroneously call the cast bearing material Babbitt however it really is no different than telling someone to blow their nose on a Kleenex, -or telling someone they need to get a Jeep to pull them out. In both scenarios, any manufacturer's Facial Tissue, ...or any 4-wheel drive vehicle can be used with success. So trying to tell someone that Ford only used 'Tin-based Babbitt' is as false as saying Henry Ford never used lead-based alloys in his engines and axles.