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-   -   Speed Bleeders (http://www.clubcobra.com/forums/era-speak-bob-putnam/146237-speed-bleeders.html)

Lalmeida617 09-13-2022 03:45 PM

Speed Bleeders
 
Guys I am going to be changing the brake fluid out in 634. It has Sierra fronts and the Jag inboards. Does anyone happen to know what speed bleeders I need to order! There is a ton of them to choose from. Any help would be appreciated. Thanks.

NROTOXIN 09-13-2022 06:29 PM

Motive Power Bleeder. The adapter is something you'll need to research based on ERA's master cylinder.

Sargie 09-14-2022 06:41 AM

Quote:

Originally Posted by NROTOXIN (Post 1510473)
Motive Power Bleeder. The adapter is something you'll need to research based on ERA's master cylinder.

I 2nd the Motive bleeder. If you have Girling reservoirs power bleeder won’t work. Cans can’t handle being pressurized. Even just a pound or two and they blow up.

DanEC 09-14-2022 07:48 AM

Go to post 30 in this old thread of mine. I believe the 3/8-24 are correct for the rear girdling. I have no idea for the Sierras.

http://www.clubcobra.com/forums/era-...-brakes-2.html

mvanhorn8893 09-14-2022 10:51 AM

I have a Contemporary with the Girling calipers. I used this kit:

https://mossmotors.com/remote-bleeder-hoses

cycleguy55 09-14-2022 02:38 PM

Quote:

Originally Posted by Lalmeida617 (Post 1510466)
Guys I am going to be changing the brake fluid out in 634. It has Sierra fronts and the Jag inboards. Does anyone happen to know what speed bleeders I need to order! There is a ton of them to choose from. Any help would be appreciated. Thanks.

According to this page the speed bleeders for GMC Sierra front calipers are M10-1.5 X 33mm:

https://shop.advanceautoparts.com/fi...crew,484-152.1)

https://shop.advanceautoparts.com/wc...2_pri_thmb.jpg

patrickt 09-14-2022 02:56 PM

Quote:

Originally Posted by cycleguy55 (Post 1510512)
According to this page the speed bleeders for GMC Sierra front calipers are M10-1.5 X 33mm:

No, the "Sierras" are really big front brakes that were made by the Sierra company. I have them on my car but I still bleed the brakes the same way I have for 50 years. It is not the GMC Sierra.:LOL:

patrickt 09-14-2022 04:12 PM

http://www.clubcobra.com/photopost/d.../sierra005.JPG


.

cycleguy55 09-14-2022 04:19 PM

Quote:

Originally Posted by patrickt (Post 1510514)
No, the "Sierras" are really big front brakes that were made by the Sierra company. I have them on my car but I still bleed the brakes the same way I have for 50 years. It is not the GMC Sierra.:LOL:

Dayamn. And Ford U.K. made a Sierra. Details matter. E.R.A., of course, uses GM calipers - but apparently not the ones from pickup trucks?

I can't find any listings for Sierra, other than brake pads. Are they no longer in business?

patrickt 09-14-2022 04:23 PM

Quote:

Originally Posted by cycleguy55 (Post 1510518)

I can't find any listings for Sierra, other than brake pads. Are they no longer in business?

They are no longer in business. I think they started out as JFZ, which got eaten up by Sierra, which then went out of business. But, the Wilwood Rebuild Kit #130-2655 fits them, just in case anybody cares.:cool:

cycleguy55 09-14-2022 04:25 PM

Quote:

Originally Posted by patrickt (Post 1510519)
They are no longer in business. I think they started out as JFZ, which got eaten up by Sierra, which then went out of business. But, the Wilwood Rebuild Kit #130-2655 fits them, just in case anybody cares.:cool:

Got it.

As far as the speed bleeders are concerned, I guess the OP will have to pull the bleeders, measure the thread size and pitch and go from there.

patrickt 09-14-2022 04:29 PM

I'm going to just shoot from the hip and bet that the speed bleeders that fit the Wilwood #120-11136 also fit the Sierras.

patrickt 09-14-2022 04:32 PM

Speed Bleeder Brake Bleeder Screws (1/4"x28, Set/4), fits Wilwood Calipers
Code: SB1428

patrickt 09-14-2022 04:34 PM

Or maybe... Wilwood Brakes 220-0627 Brake Bleeder Screw For Use With Wilwood Calipers; 1/8 Inch-27 Thread Size; Set Of 4.

which look to be the same...

WILWOOD 220-0627 Brake Bleed Kit Calipers w/ 1/8-27 Bushing & 1/4-28 Screws 4pk

Lalmeida617 09-14-2022 05:34 PM

I do not have Girling cans. So the pressure should not be an issue. Maybe Peter P. can get me the thread size. Btw is thread size all I need? Does the length matter much?

patrickt 09-14-2022 06:57 PM

Quote:

Originally Posted by Lalmeida617 (Post 1510529)
I do not have Girling cans. So the pressure should not be an issue. Maybe Peter P. can get me the thread size. Btw is thread size all I need? Does the length matter much?

Well you know you use a 1/4" bleeder wrench on them, so I don't see how it could be anything other than the SB1428. Here's a pic and chart of all your choices: Speed Bleeder Main Page

1985 CCX 09-15-2022 11:59 AM

1 Attachment(s)
I prefer Speed-Pad-Change......... SPC

Argess 09-15-2022 05:09 PM

Quote:

Originally Posted by cycleguy55 (Post 1510520)
Got it.

As far as the speed bleeders are concerned, I guess the OP will have to pull the bleeders, measure the thread size and pitch and go from there.

Yes, it's not unusual for calipers to have the bleeder hole drilled larger and tapped accordingly for a larger bleeder screw. Part of the re-build process, where the original screw is seized in and likley broken off. This is what I've got with my GM calipers. One bleed screw is larger than the other one.


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