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 2Likes
03-08-2016, 01:06 PM
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CC Member
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Join Date: Aug 2010
Location: San Antonio Valley Ca,
ca
Cobra Make, Engine:
Posts: 1,275
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Jag Inboard Calipers
Who has a decent price and availability for stock Jag inboard brake calipers?
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03-08-2016, 01:24 PM
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Senior Club Cobra Member
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Join Date: Mar 2000
Location: St. Augustine,
FL
Cobra Make, Engine: E-M / Power Performance / 521 stroker / Holley HP EFI
Posts: 1,912
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Not Ranked
red,
Here are some possibilities from Rockauto: 1977 JAGUAR XJ6 4.2L L6 Caliper | RockAuto
These are for a 1977 XJ6. Yours may be different!
Tom
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Wells's law of engine size: If it matters what gear you're in, the engine's too small!
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03-08-2016, 01:26 PM
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CC Member
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Join Date: Aug 2010
Location: San Antonio Valley Ca,
ca
Cobra Make, Engine:
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I looked at the Rock Auto / Centric rebuilds but didn't know about the quality.
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03-08-2016, 04:51 PM
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Join Date: Feb 2009
Posts: 1,690
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There are a few different styles. Do you know which version/year you have? They are pretty easy to rebuild and the parts are easy to find.
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03-08-2016, 05:43 PM
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Senior Club Cobra Member
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Join Date: Mar 2000
Location: St. Augustine,
FL
Cobra Make, Engine: E-M / Power Performance / 521 stroker / Holley HP EFI
Posts: 1,912
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Not Ranked
red,
Here is some more data:
Jaguar Inboard Rear Brake Info | Coventry West
Centric seems to be common; here are some illustrations and items for different years:
Jaguar XKE Brake Caliper - Brake Calipers - Centric A1 Cardone - 1969 1974 1973 1970 1972 69 74 73 70 72 - PartsGeek.com
Here's an upgrade similar to the one I use (there are others if you use internet search):
17-1214 - Vent Rotor Kit Rear Rotor Conversion
Here is an expensive place to get them; are they really better? I don't know:
XJ6 Brake Caliper, Jaguar Parts Catalog
And another supplier:
Welsh Enterprises, Inc - Jaguar XJS Brakes Rear Brakes Parts
If you're interested in top of the line stuff, I'd give these guys a call:
Team CJ Jaguar brake upgrades
After you have seen what's out there, maybe then you can decide which way to jump. As joy said, the parts are out there too. Rebuilding your own is also an option - if your car uses the Jag handbrake it can get, um, interesting.
Tom
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Wells's law of engine size: If it matters what gear you're in, the engine's too small!
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03-09-2016, 07:32 AM
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CC Member
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Join Date: Aug 2010
Location: San Antonio Valley Ca,
ca
Cobra Make, Engine:
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I guess I'm going to have to positively identify the calipers I have. The calipers I do have are rust pitted in the bores so a rebuild isn't going to happen. This is a new build that I'm starting back up again so the rears have never been installed. It has NIB rotors, not vented, so my decision is whether or not I want to use the stock stuff for now and upgrade later or to even upgrade at all. Bigger is better but I'd probably upgrade the fronts first. I'll go through all the links and try and figure out exactly what I have. Something tells me that it may have been a XJ rear end.
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03-09-2016, 08:18 AM
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Senior Club Cobra Member
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Join Date: May 2001
Location: Florence,
AL
Cobra Make, Engine: RCR GT 40 & 1966 Fairlane 390 5 speed
Posts: 4,511
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John you need to remember the stock brakes that we use on our Cobras were designed for car weight a 1000 lbs more.
If you are not racing, stock brakes work great on our Cobras.
IMHO
Dwight
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''Life's tough.....it's even tougher if you're stupid.'' ~ John Wayne
"Happiness Is A Belt-Fed Weapon"
life's goal should be; "to be smarter than inanimate objects"
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03-09-2016, 08:24 AM
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CC Member
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Join Date: Aug 2010
Location: San Antonio Valley Ca,
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Quote:
Originally Posted by Dwight
John you need to remember the stock brakes that we use on our Cobras were designed for car weight a 1000 lbs more.
If you are not racing, stock brakes work great on our Cobras.
IMHO
Dwight
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That's what I was thinking,,,,, It's being built as a daily driver. A hot rod , ass kicking toy, but still not a race car. |
03-09-2016, 03:09 PM
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CC Member
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Join Date: Feb 2009
Posts: 1,690
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Although I agree about weight, the other thing to consider is where the brakes are buried. In most Cobra's, they are really tucked up in the body limiting airflow to cool the brakes. Maybe it won't matter depending on how you drive.
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03-09-2016, 03:50 PM
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CC Member
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Join Date: Apr 2009
Location: Little Rock area,
AR
Cobra Make, Engine: ERA Street Roadster #782 with 459 cu in FE KC engine, toploader, 3.31
Posts: 4,483
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Quote:
Originally Posted by joyridin'
Although I agree about weight, the other thing to consider is where the brakes are buried. In most Cobra's, they are really tucked up in the body limiting airflow to cool the brakes. Maybe it won't matter depending on how you drive.
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I wonder if anyone has experimented with mounting a wide, shallow scoop under the transmission tunnel at the rear to direct air up to the in-board brakes? It would have to hang a couple inches below the rear, frame cross member but that shouldn't be a problem on the track. |
03-10-2016, 05:19 AM
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CC Member
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Join Date: Nov 2003
Location: New Britain,
CT
Cobra Make, Engine: Size 10 Feet
Posts: 2,993
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Quote:
Originally Posted by DanEC
I wonder if anyone has experimented with mounting a wide, shallow scoop under the transmission tunnel at the rear to direct air up to the in-board brakes? It would have to hang a couple inches below the rear, frame cross member but that shouldn't be a problem on the track.
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Been there, done that. This was mounted in a track car about 20 years ago.
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03-10-2016, 06:05 AM
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CC Member
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Join Date: Apr 2009
Location: Little Rock area,
AR
Cobra Make, Engine: ERA Street Roadster #782 with 459 cu in FE KC engine, toploader, 3.31
Posts: 4,483
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Not Ranked
Quote:
Originally Posted by strictlypersonl
Been there, done that. This was mounted in a track car about 20 years ago.
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Ok - wasn't quite as crazy an idea as I suspected. Were there any perceivable benefits to the scoop Bob? |
03-10-2016, 08:10 AM
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CC Member
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Join Date: Nov 2003
Location: New Britain,
CT
Cobra Make, Engine: Size 10 Feet
Posts: 2,993
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My recollection is weak, but I believe it cured his rear brake fade on the track. This was a long time ago, with Chassis 050.
Don Durner - Racer Extraordinaire! |
03-10-2016, 08:15 AM
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CC Member
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Join Date: Mar 2006
Location: San Marcos california,
CA
Cobra Make, Engine: 1989 KCC from South Africa Right Hand Drive
Posts: 1,597
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I have had the jag series one front and rear suspension in my car since 1989....I had overhauled everything when I put it together ....Every seal bearing bushing or ball joint. Some tracktime ....in the past ...but otherwise no problems with whatsoever..
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03-10-2016, 08:33 AM
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CC Member
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Join Date: Aug 2010
Location: San Antonio Valley Ca,
ca
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I'm still having trouble determining what calipers they are. Is there a decent reference anywhere with pix? I cleaned up the old calipers ( 1 ) and the bores are OK but the pistons are shot. I may get out of this fairly well once I figure out the original application. Kits and pistons are available everywhere.
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03-10-2016, 09:02 AM
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CC Member
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Join Date: Aug 2010
Location: San Antonio Valley Ca,
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OK!! Found them from Toms link to Partsgeek. Thanks. They are from '74 XJ or XKE. Of course the pistons are out of stock,,,,,,,
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03-10-2016, 10:16 AM
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CC Member
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Join Date: Apr 2005
Location: Tucson,
AZ
Cobra Make, Engine:
Posts: 5,390
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Just curious, do the rear calipers for your car have that external parking brake? How many pistons per caliper?
Larry
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Alba gu brąth
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03-10-2016, 10:19 AM
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CC Member
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Parking brake lives in another part of the rear and the calipers have one piston per side for 2 each caliper.
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03-10-2016, 11:29 AM
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CC Member
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Join Date: Apr 2005
Location: Tucson,
AZ
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Got it, thanks!
Larry
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Alba gu brąth
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03-10-2016, 02:25 PM
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CC Member
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Join Date: Feb 2009
Posts: 1,690
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I have the same style on my car. I bought them off some seller on ebay. They were new and I think I paid $50 for the pair?
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