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brake piston spreader
Show me your tool.
I cant find one to buy, so plan on making something to spread the pads and pistons when changing brakes etc. Anyone got something I can copy - or know where I can buy something useful. Thanks Alan
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83 SC, 82 930 (track) - Stock except for RarlyL8 race headers, RarlyL8 Zork, K27-7006, 22/28 T bars, 007 Fuel head, short 3&4 gears, NGK AFR, Greddy EBC (on the slippery slope), Wevo engine mounts, ERP rear camber adjust and mono balls, Tarret front monoball camber adjust, Elgin cams, 38mm ported heads, 964 IC. 380rwhp @ 0.8bar Apart from above, bone stock:-) |
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08-07-2009, 09:50 PM
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My neighbor had one of these tools that worked great on my mom's Buick, I haven't tried it on a Porsche yet but it looks like it would work. http://www.mactools.com/product/tabid/120/p-318516-bp7034.aspx
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08-07-2009, 11:01 PM
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Location: Burford, ON, Canada
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I have one of those, and I use it a lot. I don't think I paid anywhere near that much for it, so shop around. I have had mine for about 20 years though.
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Keeper of 356, 911, 912 & 914 databases; source for Kardex and CoA-type reports; email for info Researching 356, 911, 912 & 914 Paint codes, Engine #'s and Transmission #'s Addicted since 1975 |
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08-08-2009, 06:07 AM
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Location: Kenbridge VA
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I just use a piece of wood.
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Peppy 2011 BMW 335d 1988 Targa 3.4  2001 Jetta TDI dead 1982 Chevette Diesel SOLD 
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08-08-2009, 06:50 AM
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I must add, that my neighbor's Mac tool was bought many years ago and is made in USA, the Mac I bought a few months ago is made in china.
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08-08-2009, 07:36 AM
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Peppy - but what are you levering against -even if it is wood.
The 930 has 16 pistons to retract. I'm going thru a set of pads about every 3 track days. Getting a bit tedious. The Mac tool looks like the business. Thanks Alan
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83 SC, 82 930 (track) - Stock except for RarlyL8 race headers, RarlyL8 Zork, K27-7006, 22/28 T bars, 007 Fuel head, short 3&4 gears, NGK AFR, Greddy EBC (on the slippery slope), Wevo engine mounts, ERP rear camber adjust and mono balls, Tarret front monoball camber adjust, Elgin cams, 38mm ported heads, 964 IC. 380rwhp @ 0.8bar Apart from above, bone stock:-) |
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08-08-2009, 11:50 AM
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http://www.made-in-china.com/image/2f0j00peKtchnJSHkFM/Quick-Action-Bar-Clamp-TFC0112-.jpg
Something like this works fine for me. I usually can do mine with my hands but the above bar clamp is inexpensive and does the trick. I just put some pressure on the pads and eventually they will give in to the constant pressure applied. The pads on the clamp are rubber like so they don't mess up painted rotors.
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82SC Track Car |
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08-08-2009, 04:56 PM
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OK, I'm in the process of making something a bit like 4sd911 posted - but to do dual pot calipers.
If mine dont work, the clamp gizzmo looks good. I've been using a G clamp over the caliper housing but dont like squeezing on the calliper cooling fins. Would rather spread them internally if possible. Thanks Alan
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83 SC, 82 930 (track) - Stock except for RarlyL8 race headers, RarlyL8 Zork, K27-7006, 22/28 T bars, 007 Fuel head, short 3&4 gears, NGK AFR, Greddy EBC (on the slippery slope), Wevo engine mounts, ERP rear camber adjust and mono balls, Tarret front monoball camber adjust, Elgin cams, 38mm ported heads, 964 IC. 380rwhp @ 0.8bar Apart from above, bone stock:-) |
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08-08-2009, 08:29 PM
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I use the handle of a pair of channel locks, has worked well for years. The curve allows me to pry off the rotor and push both pistons in (I've got 16 of them too) then the pads slide right in. The handle is coated with a rubber material, so no marring either.
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Ed Hughes 2015 981 Cayman GTS 6 speed,Racing Yellow Past:1984 911 Targa (Ruby), 1995 993C2 (Sapphire), 1991 928S4 |
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08-08-2009, 08:42 PM
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OK, I give up - what are channel locks?
Alan
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83 SC, 82 930 (track) - Stock except for RarlyL8 race headers, RarlyL8 Zork, K27-7006, 22/28 T bars, 007 Fuel head, short 3&4 gears, NGK AFR, Greddy EBC (on the slippery slope), Wevo engine mounts, ERP rear camber adjust and mono balls, Tarret front monoball camber adjust, Elgin cams, 38mm ported heads, 964 IC. 380rwhp @ 0.8bar Apart from above, bone stock:-) |
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08-08-2009, 09:10 PM
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Formerly known as Syzygy
Join Date: Mar 2008
Location: Calgary, AB
Posts: 4,420
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Channel lock pliers:
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Kevin 1987 ROW coupe, Marine blue, with a couple extra goodies. The cars we love the best are the ones with human traits, warts and all. |
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08-08-2009, 09:52 PM
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Quote:
On min i just pry against the rotor from one side then put in new pad and do the other side.
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Peppy 2011 BMW 335d 1988 Targa 3.4 2001 Jetta TDI dead 1982 Chevette Diesel SOLD
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08-09-2009, 04:31 AM
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Tired Member
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Quote:
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Glenn Daily Driver - '78 911SC RoW Endurance Racer - '85.1 944 Street/Track Project - '86 951 Race Project - 944 Spec |
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08-09-2009, 04:54 AM
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What we have done for pad changes during endurance races and will work well when not in a rush. Is to weld some old brake pad backing plates to the jaws of a pair of channel locks, pictured above, and then just insert and spread the handles.
Cost is old pair of channel locks, used brake pads, and a bit of welding. |
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08-09-2009, 05:18 AM
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This is what I use:
http://www.girodisc.com/catalog/product_info.php?cPath=31_179_358&products_id=206 I had to machine the tongues a bit to fit in my 930 calipers.
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2022 GT3 Manual, 73 Carrera RS 2.9 Twin-Plug MFI Carbon Fiber Replica Former: 18 GT3 Manual,16 Cayman GT4, 73 911S, Two 951S's, 996 C2, 993 C2, BMW 635CSi Euro, Ferrari 550 Maranello, 06 Evo IX w/ many mods |
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08-09-2009, 06:10 AM
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Location: Westchester, NY
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I bought something like this on ebay. I've been using it at the track for three years changing pads several times a year. My buddies use it to. Works like a charm.
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Sean 1982 SC D-Stock #372 NASA GTS2 1971T restoration in progress, read about it here: http://911restorationmadness.blogspot.com/ |
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08-09-2009, 06:21 AM
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Peppy, I've done it, and am trying to avoid it - but you really should not lever against the rotor. The runout specs are about 0.1 mm. Leaning on it doesn't help.
Grant s tool looks great, and I have not seen the one of Sean's before either. If my home job doesnt work out I'll have a look on e bay, and failing that weld up some channel locks - now I know what you call them. (We call them poly grips,downunder - you guys just have to think of new words for a lot of stuff - why can't you be like us?) regards Alan
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83 SC, 82 930 (track) - Stock except for RarlyL8 race headers, RarlyL8 Zork, K27-7006, 22/28 T bars, 007 Fuel head, short 3&4 gears, NGK AFR, Greddy EBC (on the slippery slope), Wevo engine mounts, ERP rear camber adjust and mono balls, Tarret front monoball camber adjust, Elgin cams, 38mm ported heads, 964 IC. 380rwhp @ 0.8bar Apart from above, bone stock:-) |
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08-09-2009, 11:56 AM
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Formerly known as Syzygy
Join Date: Mar 2008
Location: Calgary, AB
Posts: 4,420
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Poly grips, spanner, boot, hood, football... Well, football I can understand. Hmmm, maybe someone should come up with an English to English dictionary.
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Kevin 1987 ROW coupe, Marine blue, with a couple extra goodies. The cars we love the best are the ones with human traits, warts and all. |
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08-09-2009, 01:06 PM
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1984 Porsche 911 Targa 3.4L
Sapphire
"The Porsche"
Endurance Racer
944 Spec "The green car"
Scalded Cheetah?
1973 Porsche Carrera RS 2.7 Replica 2.7RS
