CP72 Posted April 13, 2016 Share Posted April 13, 2016 Hello,I want to replace the clutch on my Spitfire MK3. The car runs a 1300 small-crank engine and a single-rail OD box from a 1500. So I need a special friction plate for it. The one from a Dolly 1300 (20 spline, 6.5”) seems to fit. The question is: can I also use the pressure plate / clutch cover of the Dolly 1300? That would make ordering a bit easier as I could buy a complete set. Thank you.RegardsChristian Quote Link to comment Share on other sites More sharing options...
Nick Jones Posted April 13, 2016 Share Posted April 13, 2016 I think you can use the complete later Dolomite 1300 clutch with fine spline. Only difference is in the friction plate.Nick Quote Link to comment Share on other sites More sharing options...
Clive Posted April 13, 2016 Share Posted April 13, 2016 Yes, I ran that setup on my heralds for many years (so agreeing with Mr J) or indeed the dolly 1300 plate with a spit/herald 1300 clutch. All swaps about. Quote Link to comment Share on other sites More sharing options...
Dogsbody47uk Posted April 13, 2016 Share Posted April 13, 2016 If you swap to the 1500 Spit flywheel you can use the bigger 7.25 inch clutch of the 1500 Spitfire. Quote Link to comment Share on other sites More sharing options...
RobPearce Posted April 14, 2016 Share Posted April 14, 2016 Quoted from Dogsbody47uk If you swap to the 1500 Spit flywheel you can use the bigger 7.25 inch clutch of the 1500 Spitfire. True, but be aware that the fixing bolts on the 1500 are larger than on the 1300, so your bolts will be loose in the holes on a 1500 flywheel. You will need to sleeve them and use big washers - not ideal. Quote Link to comment Share on other sites More sharing options...
Dogsbody47uk Posted April 14, 2016 Share Posted April 14, 2016 Quoted from RobPearce True, but be aware that the fixing bolts on the 1500 are larger than on the 1300, so your bolts will be loose in the holes on a 1500 flywheel. You will need to sleeve them and use big washers - not ideal. Been there, done that. Sleeves are available from Rimmer. No problem in the last 2 years. Also I think a bigger clutch is better on the 13/60s 73 lbs/ft of torque ( same as a Mk 4 Spit). Cheers, Dave. Quote Link to comment Share on other sites More sharing options...
CP72 Posted April 15, 2016 Author Share Posted April 15, 2016 I do have a 1500 flywheel in the lock-up... 🙂 Time to make up my mind. Quote Link to comment Share on other sites More sharing options...
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