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Minimum thickness steel for engine mounts ?

markgenesis Posted a lot Posts: 1,322	Minimum thickness steel for engine mounts ?markgenesis @markgenesis
	Jul 8, 2012 17:45:36 GMT Select Post Deselect Post Link to Post Back to Top
	What's the minimum thickness steel i can get away with if i'm fabricating engine mounts ?, i know most standard mounts are 5mm thick but can i get away with 3mm ?, been working with 3mm for other parts of the car and it's just easier to cut and drill (with standard 4.5 cutting disc and HSS drill bit), i imagine 5mm being a lot harder. If using 3mm i would add gussets, double up in places (around the bolt holes etc) Motor is a 3.9 Rover V8 mounting onto a MK2 Escort WCXM.
	72 Pontiac Firebird Formula 400. 95 BMW E34 525i Manual. 80 Lotus Elite, sold 86 Mk4 Escort RWD V8, sold

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mk2polobloke Part of things Posts: 801	Minimum thickness steel for engine mounts ?mk2polobloke @mk2polobloke
	Jul 8, 2012 18:59:20 GMT Select Post Deselect Post Link to Post Back to Top
	It's more down to proper design than thickness of steel (within reason) Most people can fabricate ugly, heavy mounts out of 6mm plate, but in reality 3mm is fine if they are designed properly. Gussetting is a good idea, get the old CAD sorted and transferred on to steel. Good luck.


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