trigolf Posted February 24, 2020 Report Share Posted February 24, 2020 Hi all, I'm about to replace the brake pads in my Vit, so have just bought some 1144 pads fitted with original Imperial Calipers ( 16P, I think). I understand that the Mintex pad backplate retaining pin hole is sized for the later 16PB pins which are smaller diameter and so need drilling out to suit the larger pin. Question - is it worth drilling out the hole at both ends, and fettling the slot with a file, to preserve the slotted hole, or just drill out the centre of the slot larger ? My thoughts are that retaining the slot shape would allow a small amount of movement, as per the original fit ? Link to comment Share on other sites More sharing options...
Pete Lewis Posted February 25, 2020 Report Share Posted February 25, 2020 this is simple you have the wrong pads club shop sell 1144 for imperial BPT525 or BPMT633 for metric type 16s to stop any squeal or chatter use https://mintex.com/copper-slip-vs-ceratec/?lang=en-gbr available all over the place drill out the holes if you cant exchange the pads will work , run the drill updown like a end mill to elongate Pete Link to comment Share on other sites More sharing options...
RogerH Posted February 25, 2020 Report Share Posted February 25, 2020 I have drilled out my Ferodo pads on my 4A so that they are a loose fit and they function well with no squeal. Roger Link to comment Share on other sites More sharing options...
Pete Lewis Posted February 25, 2020 Report Share Posted February 25, 2020 i have asked Martyn in club shop if they should sell branded Ceratec paste long with the pads as pro active marketing ......you really need this sir !!!! to go with your pads ......... what do you think ??? Pete Link to comment Share on other sites More sharing options...
dougbgt6 Posted February 25, 2020 Report Share Posted February 25, 2020 Something for the weekend Sir? db Link to comment Share on other sites More sharing options...
dave.vitesse Posted February 25, 2020 Report Share Posted February 25, 2020 6 hours ago, Pete Lewis said: this is simple you have the wrong pads club shop sell 1144 for imperial BPT525 or BPMT633 for metric type 16s to stop any squeal or chatter use https://mintex.com/copper-slip-vs-ceratec/?lang=en-gbr available all over the place drill out the holes if you cant exchange the pads will work , run the drill updown like a end mill to elongate Pete The small pin type now on offer are basically M16 pads as fitted to 1970's Fords. e.g. Escort, Capri, Cortina. They will list them for a Ford 2.8i Capri. I did the same as Pete, elongated the pin hole so there is side ways movement when fitted to the imperial calipers with the larger pins. Dave Link to comment Share on other sites More sharing options...
johny Posted February 26, 2020 Report Share Posted February 26, 2020 round hole for me and all good👍 Link to comment Share on other sites More sharing options...
Clive Posted February 26, 2020 Report Share Posted February 26, 2020 23 hours ago, Pete Lewis said: this is simple you have the wrong pads club shop sell 1144 for imperial BPT525 or BPMT633 for metric type 16s to stop any squeal or chatter use https://mintex.com/copper-slip-vs-ceratec/?lang=en-gbr available all over the place drill out the holes if you cant exchange the pads will work , run the drill updown like a end mill to elongate Pete Pete, I think the club (and some of the traders) must have a special order with Mintex, those imperial pads don't seem available elsewhere. Or maybe a very limited market? But you can get the MGB633 1144 pads (metric sized) for £50 delivered, a substantial saving over the club shop prices. Luckily, I have metric calipers on my car😎 but agreed, £20 or so extra for something that lasts 20K is not a lot. Or a drill is not a lot of grief. I can't see a round hole being an issue, the pins shouldn't be doing any real work, all the forces will be vertical, not radial. Just bought a tube of mintex ceratec, £2.99, bargain! Or 5ml sachet is a mere £1... https://www.ebay.co.uk/sch/i.html?_from=R40&_nkw=ceratec&_sacat=0&_sop=15 Link to comment Share on other sites More sharing options...
Pete Lewis Posted February 26, 2020 Report Share Posted February 26, 2020 i agree its worth a search , as always , as for the slots or rounds i reckon the slot is just to absorb some tolerances ???as an idea after all the pins only stop the pads escaping not used in any real braking loads . remember lockheed calipers had a relief machined on the periphery of the piston to save needing squeal shims , great till the things rotated and it ended upside down common on all the Hunter range and others of the day . dont put the paste on your sarnies ha !! Pete 1 Link to comment Share on other sites More sharing options...
dave.vitesse Posted February 26, 2020 Report Share Posted February 26, 2020 16 minutes ago, Pete Lewis said: i agree its worth a search , as always , as for the slots or rounds i reckon the slot is just to absorb some tolerances ???as an idea after all the pins only stop the pads escaping not used in any real braking loads . remember lockheed calipers had a relief machined on the periphery of the piston to save needing squeal shims , great till the things rotated and it ended upside down common on all the Hunter range and others of the day . dont put the paste on your sarnies ha !! Pete Pete, my views are the same re the slots. Dave Link to comment Share on other sites More sharing options...
Pete Lewis Posted February 26, 2020 Report Share Posted February 26, 2020 Dave who said 'great minds think' ...... cant remember the last phrase Ha ! Pete 1 Link to comment Share on other sites More sharing options...
johny Posted February 26, 2020 Report Share Posted February 26, 2020 I suppose slots were used to ensure the pad braking force was transferred directly to the caliper by the pad coming up against it on one end or the other depending on the car going forwards or backwards. If you just have holes and theyre too tight on the pins the risk is that they'll be taking the load. After fitting its probably best to check the pads can smack up against the caliper in both directions.... 1 Link to comment Share on other sites More sharing options...
dave.vitesse Posted February 26, 2020 Report Share Posted February 26, 2020 Pete, I guess the pad/pin clearance is a QA thing, as we both have this background. Dave Link to comment Share on other sites More sharing options...
Pete Lewis Posted February 27, 2020 Report Share Posted February 27, 2020 genuine mintex ceratec paste arrived today £2.99 excellent service for so few ££s pete Link to comment Share on other sites More sharing options...
Clive Posted February 27, 2020 Report Share Posted February 27, 2020 6 hours ago, Pete Lewis said: genuine mintex ceratec paste arrived today £2.99 excellent service for so few ££s pete so did mine! Link to comment Share on other sites More sharing options...
trigolf Posted February 28, 2020 Author Report Share Posted February 28, 2020 Hi all, Looks like I've started a full debate over round hole or slotted ! I think I'll slot the holes as per original fit. Pete, thanks for tip about Club stocking exact item, but as Clive says they are a quite a bit more expensive compared to 'tinternet and I have to watch the pennies ! Gav 1 Link to comment Share on other sites More sharing options...
Colin Lindsay Posted February 29, 2020 Report Share Posted February 29, 2020 On 27/02/2020 at 11:21, Pete Lewis said: genuine mintex ceratec paste arrived today £2.99 excellent service for so few ££s pete It's not often I get a bargain but was in the local Motorfactors this morning buying Fiesta brake pads and they had Mintex Ceratec Paste for £2.06 plus VAT, so it looks like the cars will get that as a trial and the copper grease can sit in the cupboard and sulk. Link to comment Share on other sites More sharing options...
Rabbit Posted February 29, 2020 Report Share Posted February 29, 2020 I changed to Ceratex after being embarrassed by the squealing on light braking of my Dolly! I was then informed by a more knowledgeable person that it was useless and not any better than Copperease! I related my experience and was informed that there must be something wrong with my car! Needless to say I did NOT carry on the conversation. I know my brakes are better and is is NOW, quieter! ! Link to comment Share on other sites More sharing options...
Pete Lewis Posted March 1, 2020 Report Share Posted March 1, 2020 its fact that old traditions die hard , Im a dinosaur but you do need to keep a weather eye on 'better' or we would all be on cable brakes etc oils sealants and fluids are one advance that we need to keep updated pete Link to comment Share on other sites More sharing options...
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