Royzeboyze Posted May 28, 2009 Report Share Posted May 28, 2009 I have found a 2.5 saloon gearbox and J Type overdrive. The gearbox specialist says he can change the unit to make into a TR6 box and overdrive. The constant mesh gear pinion set will be changed complete with, the crosshaft, and the speedo drive gear, also the rear flange, he also has an angle drive for speedo. Will all this fit into a 3A. I realise that I will have to alter the rear mounting. I have seen the whole gearbox and overdrive stripped, and everything that needs doing will be done, bearings seals etc., only the layshaft has lost some case-hardening, overdrive the clutch and a few botched up studs etc. Quote Link to post Share on other sites
Menno van Rij Posted May 28, 2009 Report Share Posted May 28, 2009 (edited) Yes, it will fit! If you use the Moss adapter plate, be prepared to alter that one once again... If you have additional questions, don't hesitate to ask! (btw, for the speedo cable, an MGB angled drive will fit perfectly too). Menno Edited May 28, 2009 by Menno van Rij Quote Link to post Share on other sites
Willie Felger Posted May 29, 2009 Report Share Posted May 29, 2009 Dear Royszboys, I have done exactly that. The Moss plate turned out to be unuseable because my stainless sports exhaust (also from Moss) would not fit through the chassis as the bracket's bolts were in the way. I now have a good quality plate produced and fitted by Clive Manvers and it all went together very well. I have found the J-type to be a better gearbox with a bit taller ratios but the speedo reading is a fairlytale. I'll be sending it to Speedy Cables to be recalibrated - their website will tell you all about it. Good luck! Willie 1959 TR3A UDM322 Quote Link to post Share on other sites
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