Chris_Nobbs Posted May 11, 2007 Share Posted May 11, 2007 is it worth putting over drive on a herald 1200 saloon. and does any one know a cheaper place than Rimmers. Rimmers have a kit to do the conversion with all the bits inc full syncro gear box 4 speed. any answers would be greatfully recieved. Link to comment Share on other sites More sharing options...
IncaSpit Posted May 11, 2007 Share Posted May 11, 2007 Overdrive transforms a Herald, its well worth doing if you do much distance work, presumably a spitfire MK1-1V gearbox is suitable for a 1200 Herald, anyone got any advice on which propshaft to use, wiring etc? Link to comment Share on other sites More sharing options...
Deleted User Posted May 11, 2007 Share Posted May 11, 2007 1200 struggles to pull an overdrive, you will need to drop out of it on inclines on the motorway etc. Having said that for the straight and level it will be useful. How much are Rimmers charging for a 'complete' overdrive conversion kit? Link to comment Share on other sites More sharing options...
Chris_Nobbs Posted May 11, 2007 Author Share Posted May 11, 2007 just over 600. i just wondered about over drive because of doing ten counties in september and did 20 countys at the weekend, and with rbrr 2006 fell doing alot of long journeys it would be worth it. just wanted other peoples input and ideas. Link to comment Share on other sites More sharing options...
Deleted User Posted May 11, 2007 Share Posted May 11, 2007 600 is very, very cheap for a complete (gearbox, overdrive, prop, wiring, switches, mountings, etc) reconditioned overdrive conversion kit, buy it off them! Link to comment Share on other sites More sharing options...
Deleted User Posted May 11, 2007 Share Posted May 11, 2007 Kit should look something like this Link to comment Share on other sites More sharing options...
Nick Jones Posted May 11, 2007 Share Posted May 11, 2007 I had the single rail box from a Dolly 1500 in my Herald even when it was a 1200. It pulled well (it did have SAH head, twin carbs and 4-2-1 though) and only needed to change down on long hills.In my opinion it is the single most effective modification you can make to a Herald be it 1200, 1300 or 1500 (1500 really needs a taller diff ratio too). Go for it!Nick Link to comment Share on other sites More sharing options...
Tim Bancroft Posted May 11, 2007 Share Posted May 11, 2007 Chris,Its a great mod for a Herald- in fact any small chassis Triumph.Make sure the Rimmer bros kit is comprehensive.Dave's kit includes a gearbox re-furb- in fact everything to make the transformation fun. Link to comment Share on other sites More sharing options...
Deleted User Posted May 11, 2007 Share Posted May 11, 2007 Herald with OD is THE BIZ!!!If you upgrade to Spitfire Spec to about 90bhp, you won't have to change out of OD, and the darn thing will average 35mpg+ get a close ratio one with ally b/h.!!!I had all that (and crashed it!)I can't imagine why they didn't fit them from the factory....they must have been nuts!! Link to comment Share on other sites More sharing options...
Jason Posted May 11, 2007 Share Posted May 11, 2007 Overdrive was the single best mod I did to my old Herald Link to comment Share on other sites More sharing options...
Deleted User Posted May 12, 2007 Share Posted May 12, 2007 have to agree...although mine is the infenitely more powerfull 13/60 certainley made motorway motoring a more pleasurable affair Link to comment Share on other sites More sharing options...
Mac Posted May 12, 2007 Share Posted May 12, 2007 Got a D-type in me MkII spit, awsome. Just did a fuel consumption test run, 2 days cruising at 50-60, some town stuff, 45 mpg. Diff ratio is 4.11:1 which is fine for the 1147 engine. 50-60 is almost silent running mode. Gofer it, especially if you give the engine a bit more go. Great also for back roads switching between 3rd - 3rd OD and back down to 3rd at the flick of a switch. Use it all the time. You can make the wiring harness yourself, dead easy. Wired an 8 amp fuse into mine. Link to comment Share on other sites More sharing options...
Chris_Nobbs Posted May 13, 2007 Author Share Posted May 13, 2007 excellent cheers every one i will go for an overdrive conversion then, thanks very much all my questions have been answered on here .thanks very much Link to comment Share on other sites More sharing options...
Deleted User Posted May 15, 2007 Share Posted May 15, 2007 In the near future I'm looking at buying an OD or two to keep with me for life, if I sell the car, take the OD out and run it as standard, if the car already has OD fitted, then even better! Link to comment Share on other sites More sharing options...
mpbarrett Posted May 16, 2007 Share Posted May 16, 2007 I have a 13/60 and have fitted an OD. Defintly worth doing makes the car much more usable on motorways and A roads and you get good MPG. Mine has just returned well over 40MPG on a run down to the SEM and back). I brought my OD GB second hand (sold my daughters collection of LEGO trains to buy it...) and with a secondhand propshaft from a non OD vitesse (its just about fitted...) but even after having the prop balanced I still had vibrations I think due to wear in the splines. In the end brought a new OD propshaft from CC and its been vibration free. Actually there is nothing worse to drive than a vibrating Herald.......I think the moral is thats if you do its worth spending money to get it right. So £600 all in sounds a good deal!Mike(also going on the 10CR) Link to comment Share on other sites More sharing options...
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