HomeHOW TO DO AN ADVANCED SEARCH.
Mon Jul 08, 2013 3:56 pm by Admin
For the benefit of 944Hybrids users there are two search functions available for you to use.
The purpose of this sticky is to explain the "Advanced Search" function because it is much more powerful and is the best choice when researching information.
When you log on to the site a list of options is shown in a line at the top of the page. One option is labelled "Search", use this option (NOT the search box lower down on the right).
After you click on the upper search option, a drop down box appears. At the bottom of this box is a radio button marked "Advanced …
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Ford Hydroboost to Porsche 951 Master Cylinder Adapter
+16
simon123
Rich L.
RS Technic
948
GarethW
zeusrotty
cjbcpa
kevin924kevin
Techno Duck
Arthropraxis
spence
Vorsche944
phlip
docwyte
Lemming
Porschedoc
20 posters
Page 3 of 5
Page 3 of 5 • 
1, 2, 3, 4, 5
Porsche .v. Ford
simon123 Thu Sep 03, 2015 11:09 am
I guess you guys are using stock Porsche brakes as I doubt the 951 MC will be man enough to handle uprated calipers like the Xschop LS430/Maxda set up.
If you study the Ford Mustang installation it uses a proportioning block/valve which which works well with the LS430/Mazda calipers.
Not wishing to start a p---ing contest, just my two cents worth from personal experience.
Must do a cost comparison P .v. F
If you study the Ford Mustang installation it uses a proportioning block/valve which which works well with the LS430/Mazda calipers.
Not wishing to start a p---ing contest, just my two cents worth from personal experience.
Must do a cost comparison P .v. F
simon123- Posts : 125
Join date : 2013-07-26
Re: Ford Hydroboost to Porsche 951 Master Cylinder Adapter
docwyte Thu Sep 03, 2015 11:11 am
Kinda doubt the LS430 brakes are bigger than my front Big Red/Rear Turbo S setup...
docwyte- Posts : 1393
Join date : 2010-07-18
Re: Ford Hydroboost to Porsche 951 Master Cylinder Adapter
zeusrotty Thu Sep 03, 2015 2:39 pm
Are you guys using the proportioning block? Im running the Giant Wilwoods and not using it. Did I mess up? Also plan on running the Boxster ABS at some point soon.
zeusrotty- Posts : 444
Join date : 2010-07-30
Proportioning block
simon123 Thu Sep 03, 2015 10:16 pm
Yes I am, see my post in the thread "advice needed on brake set up" you can see the proportioning block in my pics.
simon123- Posts : 125
Join date : 2013-07-26
Re: Ford Hydroboost to Porsche 951 Master Cylinder Adapter
racertomtom Fri Sep 04, 2015 7:28 am
Actually, from a fluid volume perspective, The LS430/RX7 combination is significantly larger. Especially the rear.docwyte wrote:Kinda doubt the LS430 brakes are bigger than my front Big Red/Rear Turbo S setup...
racertomtom- Posts : 144
Join date : 2014-07-04
Age : 64
Location : Southern Illinois
Re: Ford Hydroboost to Porsche 951 Master Cylinder Adapter
docwyte Fri Sep 04, 2015 10:15 am
Didn't know that. However the stock 951 MC was designed with the 951 brakes in mind, it pushes more than enough fluid for my current setup of Bid Red's/951S rears.
It'll give me proper pedal stroke and brake bias, so that's a WIN in my book...
It'll give me proper pedal stroke and brake bias, so that's a WIN in my book...
docwyte- Posts : 1393
Join date : 2010-07-18
Re: Ford Hydroboost to Porsche 951 Master Cylinder Adapter
docwyte Sat Sep 05, 2015 7:51 pm
Got the plate today, looks very well machined.
I do have one question though, how do you clock the plate? I assume the two threaded holes are where the 951 MC is supposed to mount to the plate, then you use to two counter sunk holes to mount it to the hydroboost?
I can't seem to clock it to get the holes to line up with my 951 MC, the reservoir is in the way...
I do have one question though, how do you clock the plate? I assume the two threaded holes are where the 951 MC is supposed to mount to the plate, then you use to two counter sunk holes to mount it to the hydroboost?
I can't seem to clock it to get the holes to line up with my 951 MC, the reservoir is in the way...
docwyte- Posts : 1393
Join date : 2010-07-18
Re: Ford Hydroboost to Porsche 951 Master Cylinder Adapter
RS Technic Sat Sep 05, 2015 9:27 pm
I'm planning on running Wilwood's front and back. I've got the six pots on the front and the four pot's for the rear. Now here is the fun part. I plan to use the MC from the 95 928 GTS (pn 928 355 011 24). It had the big brake set up from the factory. Plus, it should bolt right up. Just throwing it out there.
RS Technic- Posts : 73
Join date : 2013-08-12
Age : 55
Location : Bismarck, ND
Re: Ford Hydroboost to Porsche 951 Master Cylinder Adapter
GarethW Sat Sep 05, 2015 10:01 pm
Docwyte, what reservoir are you using? If you look at Vorsche944s pic on p2 his reservoir does not extend back past the mounting point of the master cylinder, mine is the same way.
Vorsche944's pic
Vorsche944's pic
GarethW- Posts : 26
Join date : 2014-09-11
Re: Ford Hydroboost to Porsche 951 Master Cylinder Adapter
docwyte Sun Sep 06, 2015 10:00 am
LOL, sometimes I'm such a idiot. I had removed the reservoir to clean it and put it back on the wrong way. I just flipped it around and all is well...
docwyte- Posts : 1393
Join date : 2010-07-18
Re: Ford Hydroboost to Porsche 951 Master Cylinder Adapter
zeusrotty Tue Sep 08, 2015 10:21 am
Anyone have a source for 944 master and reservoir?
zeusrotty- Posts : 444
Join date : 2010-07-30
Re: Ford Hydroboost to Porsche 951 Master Cylinder Adapter
948 Tue Sep 08, 2015 10:49 am
The 928 GTS/S4 MC has the same bore dimensions as the 951/944s MC, 23.8mm front and 20.6mm rear, main difference being 2 ports on the 928 MC vs 3 on the 944.RS Technic wrote:I'm planning on running Wilwood's front and back. I've got the six pots on the front and the four pot's for the rear. Now here is the fun part. I plan to use the MC from the 95 928 GTS (pn 928 355 011 24). It had the big brake set up from the factory. Plus, it should bolt right up. Just throwing it out there.
IIRC the Ford MC has a 25.4mm piston for both front and rear circuits; that is likely why it doesn't play well with the stock porsche/Brembo setup.
948- Moderator
- Posts : 573
Join date : 2009-06-09
Age : 109
Location : East PA
Re: Ford Hydroboost to Porsche 951 Master Cylinder Adapter
docwyte Tue Sep 08, 2015 11:14 am
Zeusrotty, I got my 951 MC/reservoir etc from Larts Parts. Look up username Lart on Rennlist/eBay...
docwyte- Posts : 1393
Join date : 2010-07-18
hydroboost
kevin924kevin Fri Sep 18, 2015 7:32 am
Received my adapter. Very happy with the qyality. Thank you.
kevin924kevin- Posts : 927
Join date : 2011-02-03
Age : 60
Location : Canada
Hydroboost adapter still available?
BeaverDeceiver Thu Oct 08, 2015 12:26 pm
Are these Adapters still available? I will buy one if they are available. Also what are the part numbers that I need to buy to get all the parts for the ford Hydroboost? Thx
BeaverDeceiver- Posts : 10
Join date : 2015-04-13
Location : Phoenix AZ
Re: Ford Hydroboost to Porsche 951 Master Cylinder Adapter
phlip Fri Oct 09, 2015 12:29 pm
Call Kent at TPC, I know he has adapters in stock.
phlip- Posts : 67
Join date : 2012-08-11
Location : Dallas
Re: Ford Hydroboost to Porsche 951 Master Cylinder Adapter
zeusrotty Sun Oct 18, 2015 12:23 am
In this pic at the very left of it you have some kind of spacer in the line? What is that for? Also what kind of o- ring should I be using with the adapter? Just anything from the parts store?
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zeusrotty- Posts : 444
Join date : 2010-07-30
Re: Ford Hydroboost to Porsche 951 Master Cylinder Adapter
948 Sun Oct 18, 2015 4:02 pm
That is a brake line coupling; the original brake line is not long enough so an extra section is required. You can purchase these from most autoparts stores; the line is about 6 inches. No o-rings, it is a flared tube just like the factory.
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[/quote]zeusrotty wrote:In this pic at the very left of if you have some kind of spacer in the line? What is that for? Also what kind of o- ring should I be using with the adapter? Just anything from the parts store?
948- Moderator
- Posts : 573
Join date : 2009-06-09
Age : 109
Location : East PA
Re: Ford Hydroboost to Porsche 951 Master Cylinder Adapter
zeusrotty Mon Oct 19, 2015 11:55 am
Okay I have a few questions. What size bolts are used to mount the Porsche master to the already threaded adapter? Also, do I need any other bolts? Like from the HB to the adapter?
Secondly, I am running the Wilwood 6R's... And then the Wilwood superlites in the back. Will I be able to get get rid of the proportioning valve? Or do I need to keep that?
Secondly, I am running the Wilwood 6R's... And then the Wilwood superlites in the back. Will I be able to get get rid of the proportioning valve? Or do I need to keep that?
zeusrotty- Posts : 444
Join date : 2010-07-30
Re: Ford Hydroboost to Porsche 951 Master Cylinder Adapter
phlip Mon Oct 19, 2015 1:23 pm
The threaded holes in the adapter to mount master are 8mmx1.25.
I used 10mmx1.5 allen bolts with a thick washer and lock nut to mount adapter to booster.
Dont remember the legnth of either set of fanteners, but that should be easy to figure out.
I used 10mmx1.5 allen bolts with a thick washer and lock nut to mount adapter to booster.
Dont remember the legnth of either set of fanteners, but that should be easy to figure out.
phlip- Posts : 67
Join date : 2012-08-11
Location : Dallas
Re: Ford Hydroboost to Porsche 951 Master Cylinder Adapter
Lemming Mon Oct 19, 2015 3:16 pm
zeusrotty wrote:
Secondly, I am running the Wilwood 6R's... And then the Wilwood superlites in the back. Will I be able to get get rid of the proportioning valve? Or do I need to keep that?
Call Wilwood, they will run the numbers for you.
Lemming- Posts : 855
Join date : 2011-05-30
Location : B'ham
Re: Ford Hydroboost to Porsche 951 Master Cylinder Adapter
zeusrotty Thu Oct 22, 2015 1:54 am
So many have everything installed and I'm wondering if you guys are seen a difference in pedal height at all? Do your brakes feel different?
zeusrotty- Posts : 444
Join date : 2010-07-30
Re: Ford Hydroboost to Porsche 951 Master Cylinder Adapter
docwyte Thu Oct 22, 2015 7:58 am
Mine is installed but I haven't had a chance to drive the car yet as more work is still getting completed. Hopefully I get the car back in the next few weeks and I'll report my findings...
docwyte- Posts : 1393
Join date : 2010-07-18
Re: Ford Hydroboost to Porsche 951 Master Cylinder Adapter
zeusrotty Mon Oct 26, 2015 10:50 am
Okay, so now I have brakes! But the pedal won't come back up all the way. Any suggestions?
zeusrotty- Posts : 444
Join date : 2010-07-30
Page 3 of 5 • 1, 2, 3, 4, 5
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