Albertr7 Posted June 8, 2020 Report Share Posted June 8, 2020 Hi everyone, my dad owns a triumph tr7 from 1977 that wants to prepare for racing. He wants to change the crownwheel and the pinion to make the gears shorter but I couldn't find anything that wasn't too expensive. Can someone give me a link for a bevel gear of 4.2:1 ratio in sale or, if you know, is the rear differntial of the tr6 the same as the tr7? Thank you for the attention and the help I really appriciate it (Sorry for any mistake in my english but i'm 15 and I'm italian so...) Quote Link to post Share on other sites
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