Brake proportioning valves (again)
Posted
#1678066
(In Topic #244557)
Newbie
Help required for brake proportioning valves please.
I have scoured pretty much every topic on the valves, and rear load compensator, but looking for some clarification.
I have a 83' mk1 1.1 4 door, which i bought as a stripped project, lots of parts were missing, one of which was the OE bake master cylinder. I have some spares for MK1 Caddys which I have owned quite a few of in the past.
So now, my MK1 Golf is equipped with - the 6 port master cylinder from a diesel Caddy (2 ports for switches, 4 ports for the lines). The front discs and calipers from a diesel Caddy. The original 1.1 smaller drums with the 14mm wheel cyls for the rears.
I believe the beam to be original to the car, as it has no arm for the load compensator to attach, however the compensator bracket is there on the body.
Am correct in thinking my MK1 1.1 would have left the factory with the master cylinder type proportion valves? Or did the 1.1 not have any as the rear brakes were smaller?
I have scoured pretty much every topic on the valves, and rear load compensator, but looking for some clarification.
I have a 83' mk1 1.1 4 door, which i bought as a stripped project, lots of parts were missing, one of which was the OE bake master cylinder. I have some spares for MK1 Caddys which I have owned quite a few of in the past.
So now, my MK1 Golf is equipped with - the 6 port master cylinder from a diesel Caddy (2 ports for switches, 4 ports for the lines). The front discs and calipers from a diesel Caddy. The original 1.1 smaller drums with the 14mm wheel cyls for the rears.
I believe the beam to be original to the car, as it has no arm for the load compensator to attach, however the compensator bracket is there on the body.
Am correct in thinking my MK1 1.1 would have left the factory with the master cylinder type proportion valves? Or did the 1.1 not have any as the rear brakes were smaller?
Posted
Local Hero
Or did the 1.1 not have any as the rear brakes were smaller?
Think this is correct, the brake shoes are the same, not sure about in line value, thought they were a later Cabrio thing. The slave cylinder is different size and there has been dispute whether its larger or smaller depending on if the car is fitted with a load compensator value….
Think this is correct, the brake shoes are the same, not sure about in line value, thought they were a later Cabrio thing. The slave cylinder is different size and there has been dispute whether its larger or smaller depending on if the car is fitted with a load compensator value….
1983 Mars Red 1.8 Golf GTI
1987 Alpine White 1.8 Clipper Cabriolet
The trouble with doing nothing is that you never know when you are finished.
1987 Alpine White 1.8 Clipper Cabriolet
The trouble with doing nothing is that you never know when you are finished.
Posted
Newbie
Id put my money on - smaller slave cylinders = no rear load compensator, thats what my 1.1 is pointing to.
In theory then, the 1.1 left the factory with no in line proportion valve and no rear load compensator.
The car is lowered on coil overs, so harder suspension, as the load compensator operates on weight and body dive movement in relation to the rear beam, iv ruled out retro fitting a mk2 load compensator, as i figure it would have little if any effect.
I was however leaning towards fitting a couple (one on each rear line, and near to the master cylinder) of the Willwood type adjustable proportioning valves.
Maybe I could get away with no proportion valves at all as it has the smaller rear slave cylinders? But, in the event that it does I want to negate cracking open the system again to fit two, which I could have done in the first place!
Has anyone had any experience with adjustable proportion valves, regarding set up, break brake pressures etc?
In theory then, the 1.1 left the factory with no in line proportion valve and no rear load compensator.
The car is lowered on coil overs, so harder suspension, as the load compensator operates on weight and body dive movement in relation to the rear beam, iv ruled out retro fitting a mk2 load compensator, as i figure it would have little if any effect.
I was however leaning towards fitting a couple (one on each rear line, and near to the master cylinder) of the Willwood type adjustable proportioning valves.
Maybe I could get away with no proportion valves at all as it has the smaller rear slave cylinders? But, in the event that it does I want to negate cracking open the system again to fit two, which I could have done in the first place!
Has anyone had any experience with adjustable proportion valves, regarding set up, break brake pressures etc?
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