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I bought one from there as well. Very prompt service and it was new new not some old stock that has being lying arround for ages. Fitting starts this weekend....
I bought one from there as well. Very prompt service and it was new new not some old stock that has being lying arround for ages. Fitting starts this weekend....
Robin
Hey Robin
How about a before and after comparison for your set up? ..........On a deserted road of course!
Started my servo conversion today. But not quite finished.
To start with I found it extremly difficult to remove the bottom two nuts from the rear of the metro servo ( pedal box side ), you have to be a contortionist to get in there.
It proved impossible from the inside due to all the metalwork that gets in the way, so a quick trip to Halfords to buy a few appropriate tools, but then got home and discovered by running my hands around the engine side of the pedal box that the bottom of my pedal box is not sealed and I could access the two nuts with ease. Obviously the bulkhead is not sealed. Is everybody,s like that ?
Having then removed the servo it was a question of replacing the operating end of the new servo ( m/c side ) with an M6 bolt duly turned down to size and length to match up with the M/C. The new clevis pin fitted a dream and was adjusted to the right length so that all holes lined up on the pedal side.
Incidently my M/C has the markings A3 2 on the side of it and they are the only markings, so don,t know what make it is.
Obviously I removed the side panel of the car to make access easier and then loosely fitted the whole affair together to then discover that the copper pipe closest to the end would have touched the side panel. Therefore the solution was to turn the servo through 90 degrees clockwise ( as viewed from the front ). The vacuum pipe is now on the bottom not on the top as shown in all previous pics. This has the benefit now of keeping the copper pipe clear of the side. I have a remote reservoir so not an issue to which way the m/c is facing.
Unfortunately the rubber pipes from the remote reservoir are now too short but I wanted to try the new installation out so removed the remote reservoir and temporarily attached it to the servo ( tied it with string ) just so that I could bleed the brakes and try to see if it all worked. This I did and pedal pressure feels good but alas I was not prepared to road test it at night with this temp installation.
I will source some new pipes this week and hopefully finish the job at the end of the week, obviously will need bleeding again of course.
I will then take some pics so you can see the finished installation.
So thanks for everybodys input to this thread to make life easier, but if you guys do not have the bottom of your pedal box open ( from the engine side ), how the hell do you get the bottom two nuts off from inside ?
....... discovered by running my hands around the engine side of the pedal box that the bottom of my pedal box is not sealed and I could access the two nuts with ease. Obviously the bulkhead is not sealed. Is everybody,s like that ?
Hi Dennis,
yes, mine is completely open at the bottom.
I used to worry about the wind rushing in but in practice it doesn't.
I think at times Mark's little design quirks are quite clever, just not always immediately obvious
That hole in the bottom of the pedal box is what I'm hoping will keep my feet warm as I'm not fitting a heater In fact a small electric fan may go down there to draw nice warm air in from the exhaust manifold
Not sure what the IVA man would have to say about open access to the engine bay so may seal it up just for that
Not sure if the IVA man would even notice the hole. But you do get warm air blowing through so nice in winter but not desireable in summer.
Took it out a couple of weeks ago when it was cold so was welcome then. It has a heater but have never used it.
The right clothes makes a big difference. Having done a lot of flying in an open cockpit you soon get to know what clothes to wear, including headgear of course
I do so wish I had read your excellent site Jason before I started it this morning. Could have saved a lot of swearing and wondering how the hell you undo the bas**** nuts.
Hey ho
At last l'm in the madabout site still cannot get into M O C site !,Anyway many thanks to every one for their help and information with the servo upgrade on my sportster it's a great result as reported through Mike
At last l'm in the madabout site still cannot get into M O C site !,Anyway many thanks to every one for their help and information with the servo upgrade on my sportster it's a great result as reported through Mike
Hi Andrew and welcome aboard! I've been mightily impressed with the friendly & helpful advice that abounds on the Madabout forums and this particular thread's a great example.
I have a 20mm Cortina MC but I am some way off being able to test it. I think it will be fine though.
On the subject of the servo nuts, I am pretty sure that the access plate I have cut will make removing/refitting much easier
John
What made my job so easy was the fact that l had previously cut a square 3" hole thro the top of the bulkhead alowing acess to the linkage,Brake peddle to servo and top two studs of servo ,This was done 3 or 4 years ago to change the mini servo for another to no avail !,It may be of intrest that the conection between peddle and servo consised of a very small yoke from the servo [non ajustable]to a solid square bar with a bolt through it and a bolt through the other end side mounted to the brake peddle, I have side mounted the new larger H D yoke strait onto the brake peddle as there is plenty of length and thread ajustment , it keeps the alinment strait and anyway the bolt cannot be withdrawn totaly from the brake peddle as it fouls the framework beteew this and cluch , The only other mod was to replace the push rod from servo to master cylinder all pipes were long enough [my luck] so the actual job only took as long as it takes undo nuts bolts and pipes etc oh and bleeding brakes !
I have a 20mm Cortina MC but I am some way off being able to test it. I think it will be fine though.
On the subject of the servo nuts, I am pretty sure that the access plate I have cut will make removing/refitting much easier
John
What made my job so easy was the fact that l had previously cut a square 3" hole thro the top of the bulkhead alowing acess to the linkage,Brake peddle to servo and top two studs of servo ,This was done 3 or 4 years ago to change the mini servo for another to no avail !,It may be of intrest that the conection between peddle and servo consised of a very small yoke from the servo [non ajustable]to a solid square bar with a bolt through it and a bolt through the other end side mounted to the brake peddle, I have side mounted the new larger H D yoke strait onto the brake peddle as there is plenty of length and thread ajustment , it keeps the alinment strait and anyway the bolt cannot be withdrawn totaly from the brake peddle as it fouls the framework beteew this and cluch , The only other mod was to replace the push rod from servo to master cylinder all pipes were long enough [my luck] so the actual job only took as long as it takes undo nuts bolts and pipes etc oh and bleeding brakes !
It may be of intrest that the conection between peddle and servo consised of a very small yoke from the servo [non ajustable]to a solid square bar with a bolt through it and a bolt through the other end side mounted to the brake peddle
Welcome Andrew!
That sounds like the standard arrangement. Good idea to have a trap door in the top of the bulkhead for access. I may do that myself as nowadays I find crawling upside down in a footwell less and less attractive...
I visited Marlin recently and on the car they were building at the time (the one recently reviewed in CKC, Mark has cut two access holes. One in the top and one in the side. You can see them in one of the pictures in the article. I have put one in the side and I think it is adequate but to put another in the top would be an easy job. John
The last of the Dual 7" servo kits has been sold and dispatched today.
I have no more available.
I had partly intended to take it to Stoneleigh, so I hope some of you early adoptors will bring your cars along to show them off?
Mike
Mike, I was hoping to see your car at Stoneleigh this year
Are you thinking about becoming MBM's European distributor? Maybe a good business opportunity if Mrs Garner can stand any more Servo boxes
Seriously though, we ought to get Nigel Dean (Kit Car guru and jorno) to take a peep as I'm sure it would be of great interest to a whole range of Kitcars.
In fact a small electric fan may go down there to draw nice warm air in from the exhaust manifold
