bike-maker
Full Access Member
Anyone know if a newer super duty master cylinder will bolt on to the older F-Super duty hydroboost booster?
Hydrostop review? whats your oppinion?|||| Has anyone attempted to make there own?|||
- Thread starter jay22day
- Start date
Anyone know if a newer super duty master cylinder will bolt on to the older F-Super duty hydroboost booster?
I recall the main problem being that the fittings are different, both for the lines to the power steering pump and from the master cylinder to the brake lines. I don't know if it would be a simple matter of getting adapters or not, but it might be worth looking into.
Having driven both, there really is no comparison...like towcat said, if you're using the truck at or above capacity, hydroboost is absolutely a must-do conversion. Too many people beef up their power output and don't put any thought into upgrading their braking system...
Another vote for hydroboost.
Here is my experience. I have an 03 Excursion, 6.0 PSD. The 99+ SuperDuty trucks F-250, F-350, Excursion diesels all came from the factory with hydroboost. My truck weighs in right about 7500lbs in normal, everyday running around trim (Passengers and the various "stuff" in the truck). They are also 4 wheel ABS Disk Brakes. My other vehicle is a 91 VW Jetta Diesel with vacuum brakes, and a completely rebuilt braking system. Everything has been replaced except for the brake lines, and the front calipers, everything else has just been replaced, and they work well. I will say, I would much rather some one pull out in front of me in the Excursion than the Jetta. The Excursion with hydroboost and 4 wheel disk will put you in the seatbelts when you stab the "big pedal". The Jetta with a brake system with less than 60 miles on it, does not stop as well as the Excursion with factory everything except pads, and there are several tens of thousands of miles on them.... the truck has 143,000 on it now.
As stated above, there is absolutely no comparison between vacuum brakes and hydroboost brakes. I know this is not an exact comparison.... but I know I like the hydroboost!!!!
Here is my experience. I have an 03 Excursion, 6.0 PSD. The 99+ SuperDuty trucks F-250, F-350, Excursion diesels all came from the factory with hydroboost. My truck weighs in right about 7500lbs in normal, everyday running around trim (Passengers and the various "stuff" in the truck). They are also 4 wheel ABS Disk Brakes. My other vehicle is a 91 VW Jetta Diesel with vacuum brakes, and a completely rebuilt braking system. Everything has been replaced except for the brake lines, and the front calipers, everything else has just been replaced, and they work well. I will say, I would much rather some one pull out in front of me in the Excursion than the Jetta. The Excursion with hydroboost and 4 wheel disk will put you in the seatbelts when you stab the "big pedal". The Jetta with a brake system with less than 60 miles on it, does not stop as well as the Excursion with factory everything except pads, and there are several tens of thousands of miles on them.... the truck has 143,000 on it now.
As stated above, there is absolutely no comparison between vacuum brakes and hydroboost brakes. I know this is not an exact comparison.... but I know I like the hydroboost!!!!
Thanks for all the great reviews and input fellas!
The consensus is unanimous
Those that have installed this upgrade:
Did you guys swap your power steering pumps? seems to me they have a pump specifically for this setup?
Id like to keep my pump if there is a fairly simply way to mod it to work, maybe the pump for the hydrostop application is stronger/higher-pressure? or is it just that it has more line ports (for the added brake application)
thanks again guys!
Jesse
The consensus is unanimous
Those that have installed this upgrade:
Did you guys swap your power steering pumps? seems to me they have a pump specifically for this setup?
Id like to keep my pump if there is a fairly simply way to mod it to work, maybe the pump for the hydrostop application is stronger/higher-pressure? or is it just that it has more line ports (for the added brake application)
thanks again guys!
Jesse
It is the same pump, it just has 2 return ports to the reservoir. You can order just the reservoir and swap it out, along with a new O-Ring to seal the res. to your existing pump. This is on the F-Superduty pump. Or you can just order a new F-Superduty pump and swap the whole thing out.
One the newer trucks (99+) like mine. There is a separate reservoir that is mounted on the drivers inner fender, and the pump is just a pump, it does not have a res. on it. These have all metric fittings though...... ask Greg50, about that. He is using a newer pump and hydroboost on his truck, but it is a hybrid of sorts.... the frame and running gear (axles, steering gear box, etc) are from an 2006 F-Series Pickup, he has mounted his Bricknose body and IDI drivetrain to the SuperDuty frame. So he has had to work with both having metric stuff, and having SAE stuff.......
One the newer trucks (99+) like mine. There is a separate reservoir that is mounted on the drivers inner fender, and the pump is just a pump, it does not have a res. on it. These have all metric fittings though...... ask Greg50, about that. He is using a newer pump and hydroboost on his truck, but it is a hybrid of sorts.... the frame and running gear (axles, steering gear box, etc) are from an 2006 F-Series Pickup, he has mounted his Bricknose body and IDI drivetrain to the SuperDuty frame. So he has had to work with both having metric stuff, and having SAE stuff.......
I dont recall the fitting sizes exactly, but what I can tell you is, the super duty high pressure line will bolt right up to the old style pump. I got a lifetime warrantly OBS style pump for like 45 bucks from oreileys, for an F super, like mentioned it has 1 extra return port on top for a 3/8 rubber hose.
Regarding the hi pressure hose from pump to hydro unit, the PS pump side is same thread for SD as OBS. the booster side-i couldnt comment on that, but I do believe it is different. Dont quote me on that. I just used the SD hi pressure line.
Regarding the hi pressure hose from pump to hydro unit, the PS pump side is same thread for SD as OBS. the booster side-i couldnt comment on that, but I do believe it is different. Dont quote me on that. I just used the SD hi pressure line.
As Scott and Greg said, the pump is the same, except the reservoir. You can swap reservoirs on the same pump if you'd like. I've also heard that some people just get a T fitting and install it in the return line, then have a single line going to the original pump and end up not messing with the pump at all. Some have said that that works; others say that puts too much backpressure in the return line. I haven't done it myself, so I can't comment either way...but it's something to consider.
I seem to recall that some people have gotten different pressure regulator springs (I want to say they pulled the regulator spring from a Lincoln pump) to give a higher pressure at the hydroboost unit, as well as easier power steering. However, I don't think that's necessary per se...the hydroboost trucks I've driven (with unmodified pumps) had plenty of stopping power, and I for one like a little bit of resistance in my steering wheel (and the wheel on hydroboost trucks feels the same as on vacuum brake trucks)...
79jasper
Chickenhawk
If the serpentine pump mounts the same as the obs powerstroke, you can get a Saginaw pump.
I've seen some upgrade to the 6.0 powerstroke pump also. But the bracket is slightly different.
Sent from my SM-T537R4 using Tapatalk
I've seen some upgrade to the 6.0 powerstroke pump also. But the bracket is slightly different.
Sent from my SM-T537R4 using Tapatalk
Not sure if this is with all of them. The one thing that I have noticed is if you are at a dead stop, and have your foot on the brake and trying to turn the wheel, power steering assist is minimal. My truck has been this way since day one. If I take my foot off the brake, power steering is normal. If I am rolling and steering and braking at the same time, its not an issue, but I only see this at a dead stop, with my foot on the brake, and turning the steering wheel. The best example I can think of, when I leave work, and I back out of the space in the parking garage, it can be tight, so you have to turn the wheel before you move. This is when I see it.... if I take my foot off the brake, it is not an issue..... I am just used to it.....
Is this "normal" or is mine just odd?
Is this "normal" or is mine just odd?
I don't know if that may be normal with the early F-Superduty hydroboost setup or with the setup used on 3/4 ton SuperDutys, but I've driven a few late-model E-350 short-buses (V-10's) and F-550 buses (two Sick Leakers and a 6.7L) with hydroboost and haven't noticed anything like that.
thanks!Have any other hydroboost owners had this or similar experiences?
well you should be rolling (with foot off the brake) whenever you turn your wheels.so can't say iv run into that.i have done this on purpose and the steering assist is still there.i haven't done that since the install a few years back but if i recall it wasn't a struggle to turn the wheel while on the brake.i'll have to try it again.
when i did the conversion it wasn't yet known that the 92-97 9th gens required the f450 brake pedal and i used the pickups master cylinder.when i learned about the brake pedal and installed that,driver comfort sky rocketed.
just a bit ago i swapped in the f450 master and it's also better.if you do the conversion,do it 100%.i wish i did at first.
when i did the conversion it wasn't yet known that the 92-97 9th gens required the f450 brake pedal and i used the pickups master cylinder.when i learned about the brake pedal and installed that,driver comfort sky rocketed.
just a bit ago i swapped in the f450 master and it's also better.if you do the conversion,do it 100%.i wish i did at first.
Similar threads
