stocky
Part of things
Posts: 184
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Nov 16, 2012 17:02:33 GMT
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so I'm starting on a big winter bodywork overhaul on my escort and one of the things i want is a cleaner smoother looking engine bay, just thinking ditching the original servo for a pedal box would look ace but would it be pants to drive? would i regret ditching the servo?
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1985 escort cabby, 1998 escort estate, i need a hammer and the oxy!
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Filthyjohn
Part of things
Currently on the road: 1/11
Posts: 705
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Nov 16, 2012 17:23:09 GMT
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You might need a servo for the MOT, some testers might not even notice it's gone. I had a car on carbs with basically no servo assist because of the manifold design, and I had to do some convincing to get it through. It'll depend on the tester though, they're supposed to check by putting their foot on the brake, then starting the car to see if the pedal sinks when the servo starts helping. Having said that, it shouldn't apply to a properly sorted brake setup, plenty of racing cars manage fine without a servo!
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'95 Volvo 945 Turbo
'87 Volvo 765 TIC
'75 Opel Manta A 2.0 16v,
'86 Volvo 360 turbo,
'62 amazon,
'67 MGB GT.
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Nov 16, 2012 17:38:02 GMT
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I once, 28 years ago, had to use a modified MKII Escort 1600 Sport that had for some reason had no servo. Went like stink but brakes terrible. Stopped OK but amount of pressure required on pedal too high for my taste. No way would I want to drive one again without the servo. I was given the Escort at last minute when the MK1 Cavalier it was planned I use wasn't available.
Paul H
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Nov 16, 2012 17:40:46 GMT
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3.6 C1a - a servo (is) missing where one is fitted as standard.
I'm afraid any tester who is actually doing his job will notice it is missing both during the underbonnet inspection and the brake pedal function test.
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To get a standard A40 this low, you'd have to dig a hole to put it in
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stocky
Part of things
Posts: 184
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Nov 16, 2012 17:47:24 GMT
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hmm did not think as far as mot time! bad me I'm a qualified tester!
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1985 escort cabby, 1998 escort estate, i need a hammer and the oxy!
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Anglia68
Posted a lot
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Posts: 2,049
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Nov 16, 2012 18:05:48 GMT
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Just fit a remote servo under the dash or in the boot.
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Nov 16, 2012 18:21:24 GMT
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i don't have a servo in my road car and it passed an MOT - mercedes 190e cosworth
i even explained it to the MOT inspector and all he was worried about was the brake pressure on the rollers - it had plenty, so he passed it. didnt realise it was a specific item on the test! naughty him!
i had to increase the pedal ratio so I could get a decent amount of travel, and it takes a bit of getting used to but its OK.
i think i'll probably go back to a servo purely as its easier to drive with the addtional assistance the servo brings...
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stocky
Part of things
Posts: 184
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Nov 16, 2012 18:33:03 GMT
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think i will go with a remote servo under passenger side dash just working on the front system that way i have half assisted braking, hmmm might need to think that through more! would that even work as the rear system master would still give a hard pedal
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1985 escort cabby, 1998 escort estate, i need a hammer and the oxy!
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Nov 16, 2012 22:46:22 GMT
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BIVA don't like adjustable pedal boxes, they have to be welded so you can't alter them once fitted i seem to recall.
I grew up in escorts without servos, the brakes work exactly as well as those WITH servos (in fact the pedal feel is better) you just have to push the pedal harder, even the girls I grew up with had non servo Escorts and Fiestas so while you might want a servo, they are not undriveable without one.
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Volvo back as my main squeeze, more boost and some interior goodies on the way.
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Filthyjohn
Part of things
Currently on the road: 1/11
Posts: 705
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Agreed ^^^ Far superior feel without a servo, you just need a strong leg.
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'95 Volvo 945 Turbo
'87 Volvo 765 TIC
'75 Opel Manta A 2.0 16v,
'86 Volvo 360 turbo,
'62 amazon,
'67 MGB GT.
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3.6 C1a - a servo (is) missing where one is fitted as standard. I'm afraid any tester who is actually doing his job will notice it is missing both during the underbonnet inspection and the brake pedal function test. has that changed recently? I removed the servo from my mk2f polo about 8 years ago and I'm using the mk2 polo master cylinder instead. guess they havn't noticed as it still looks like its factory the car only has a tiny servo as standard, but it got removed as there was one less part to go wrong and the brakes from both my polos would feel similar
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Nov 17, 2012 11:36:33 GMT
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No, that rule has been there a long time. On a car like the polo though, seeing as the earlier car didn't have a servo and testers can't be expected to know every detail of every vehicle and as you say, yours looks pretty standard..... Different case with a mk3/4 escort though, there isn't a non servo model in the range, they all have one.
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To get a standard A40 this low, you'd have to dig a hole to put it in
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Nov 18, 2012 10:30:30 GMT
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My Sierra race car has AP brakes with no servo - just dual master cylinders. You need to use some force to push the pedal but the brakes are very strong. Obviously it once had a servo but any MOT tester with sense will MOT the car because the brakes work. My car has an MOT and I have used it on the road regularly - it is fine once you get used to it, just push hard. It adds simplicity, reduces weight and leads to a cleaner look under the bonnet - go for it.
Charlie
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Copey
Posted a lot
Posts: 2,845
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Nov 18, 2012 12:45:12 GMT
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had a mate with a bias box in his mk2 escort, never had a problem with MOT, i think 99% of testers just test the brakes and if they work well enough and there are no leaks they pass
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1990 Ford Sierra Sapphire GLSi with 2.0 Zetec 1985 Ford Capri 3.0 (was a 2.0 Laser originally)
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Nov 18, 2012 17:26:58 GMT
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Somewhere I have a tech article on force ratios for brake pedals, but from memory servo pedals are about 5:1 and non are about 6:1. I removed both remote servos from my 2002 and swapped the brake pedal arm for the clutch pedal arm. Was fantastic!
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