Ian Faulds Posted October 20, 2018 Report Share Posted October 20, 2018 does anyone know what the numbers and letters mean on a lucas 25D distributor, I know the numbers stand for amount of advance and retard and mercury readings, and I found out about the week number and year made, but my question is what does the letters stand for at the end eg. 41378B or 41314D etc so whats the A,B CD stand for? Link to comment Share on other sites More sharing options...
Colin Lindsay Posted October 20, 2018 Report Share Posted October 20, 2018 It refers to slight change made to the internals, but not the general spec; so you may have a dizzy for a Herald that has the correct weights and springs, but something has altered from the original model, so if the original is designated 'A', then a slight mod is 'B', the next mod is 'C' and so on. They're all the same mechanically and any of the units with the same main code will fit the same car, but there are slight differences ie the earth cable might be thicker, or the felt in the oil seal slightly thinner; small modifications made by the manufacturer to address issues or save money. Link to comment Share on other sites More sharing options...
Ian Faulds Posted October 20, 2018 Author Report Share Posted October 20, 2018 thankyou colin very informative that. I will be changing my delco remy which is not good for a lucas, I aim long term to fit accuspark but want to get the car running first. I have a 25d6 from a mk2 triumph 2000 which I am going to fit. Link to comment Share on other sites More sharing options...
Pete Lewis Posted October 20, 2018 Report Share Posted October 20, 2018 i had better nip out and check mines not gone missing !!! Pete Link to comment Share on other sites More sharing options...
Ian Faulds Posted October 20, 2018 Author Report Share Posted October 20, 2018 ive never been to luton honest gov honest ? Link to comment Share on other sites More sharing options...
Bordfunker Posted October 20, 2018 Report Share Posted October 20, 2018 1 hour ago, Ian Faulds said: ive never been to luton honest gov honest ? You’d never forget a trip to Luton! I’m still in therapy from picking eldest son and girlfriend up from Luton Airport in the summer! Karl Link to comment Share on other sites More sharing options...
Pete Lewis Posted October 20, 2018 Report Share Posted October 20, 2018 Two areas to avoid ones the airport , the other is more or ..... less cultural depends how you see it Pete Link to comment Share on other sites More sharing options...
Clive Posted October 20, 2018 Report Share Posted October 20, 2018 Ian, which car? If changing dizzy, you want one that is meant for a car with identical cam etc. Also if you have a gt6 (pic not that clear on my phone) what will you do about rev counter? The Vitesse dizzy is a good swap for the gt6mk2/early 3. Not easy to find though. And beware the "new" distributors, I am not convinced all are set with the correct advance curves, though somebody claims to setveach one up? Can't remember who though Link to comment Share on other sites More sharing options...
Ian Faulds Posted October 20, 2018 Author Report Share Posted October 20, 2018 Hello Clive. It is a gt6 mk 3. Never started or drove it yet. The deLco remy may be serviceable but the quality of the thing is crap I think its pretty worn. . So I bought one couple years back from a mk 2 triumph 2000. I only paid £20 for it. It's a 25d6. Doesn't have tach drive but I have an electric one anyway. Im way off starting yet but always thinking ahead. I was going to go electronic ignition later but the budget one. Link to comment Share on other sites More sharing options...
Andrew Posted October 20, 2018 Report Share Posted October 20, 2018 Hi changed my points a couple or years ago for a luminition electronic ignition bought from the club shop well worth the money not expensive and my car runs and performs better. andrew Link to comment Share on other sites More sharing options...
Ian Faulds Posted October 21, 2018 Author Report Share Posted October 21, 2018 thanks for that Andrew ill look into that Link to comment Share on other sites More sharing options...
Pete Lewis Posted October 21, 2018 Report Share Posted October 21, 2018 Yes ive fitted lumenition to mine (its not gone missing ha ) its been fine Accuspark units are certainly economical cost effective replacements but have no clues on performance or reliability but Seem liked by many a few odd failures over the years on here but nothing adverse and theybare new Club do recon your own or supply new via H and H if you want new OE reproduction. The 2000 mk2 may be a bit flat in a gt6 as late 2000 mk2 were (like mine) de horsed to 88bhp with a flat cam . But it will work ok for general testing and running . Pete Link to comment Share on other sites More sharing options...
NonMember Posted October 21, 2018 Report Share Posted October 21, 2018 I fitted lumenition to my GT6 a good few years back because the shaft was worn to the point where there was 20 deg of scatter on the ignition timing. With the lumenition it's been fine, although the wear in the vacuum advance plate means it's not always consistent on/off throttle. Link to comment Share on other sites More sharing options...
Guppy916 Posted October 21, 2018 Report Share Posted October 21, 2018 I just got http://www.h-h-ignitionsolutions.co.uk to recon my dizzy absolutely first class guys and job, i'm now electronic and nobody would know just looking at the dizzy Link to comment Share on other sites More sharing options...
Colin Lindsay Posted October 21, 2018 Report Share Posted October 21, 2018 I had my GT6 versions reconditioned by them a few years back, so have a Delco fitted and a Lucas on standby, both electronic conversions. They are good. Link to comment Share on other sites More sharing options...
dougbgt6 Posted October 22, 2018 Report Share Posted October 22, 2018 A Number of guys at East Berks are very happy with Powerspark, £35 on Fleabay. I have Aldon, re-badged Pertronix, which were an eye watering price, but coming down. Although postage and import duty from USA make them still around £100. Doug Link to comment Share on other sites More sharing options...
Paul H Posted October 22, 2018 Report Share Posted October 22, 2018 I have Accuspark and works fine for me though wire up correctly or it will fail , got the T shirt - When I rang Accuspark and explained they sold me another for £20.00 Paul Link to comment Share on other sites More sharing options...
Ian Faulds Posted October 22, 2018 Author Report Share Posted October 22, 2018 thanks for all the advice lads, I have just found another distributor also from a mk2 2000 also a 25D. Its amazing, I started the gt6 resto 7 years ago, but had to stop with work commitments and family, picked it up again now ive just retired. starting to stir the memory into what ive got and what ive not got, and sorting all the spares out in the garage, great fun. ive got more than I remembered, body off next for more weldies. Link to comment Share on other sites More sharing options...
dougbgt6 Posted October 22, 2018 Report Share Posted October 22, 2018 Ian, A lot of us have that T shirt, my GT6 sat in the garage for 20 years until I retired. Doug Link to comment Share on other sites More sharing options...
Pete Lewis Posted October 22, 2018 Report Share Posted October 22, 2018 save time buy a nice wedwood blue mk2 cracking local car for reluctant sale 15K Pete Link to comment Share on other sites More sharing options...
dougbgt6 Posted October 22, 2018 Report Share Posted October 22, 2018 Nah! Stick with mk3. Spitfires and 6s didn't look right till they got flat tails. db Link to comment Share on other sites More sharing options...
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