Emergency brake with T5 and JBA H-Pipe - Vintage Mustang Forums
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post #1 of 16 (permalink) Old 02-04-2019, 10:06 AM Thread Starter
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Emergency brake with T5 and JBA H-Pipe

I put a t5 and a JBA 2 1/2 H-pipe on my 66 coupe. I am now working on getting the parking brake hooked backed up but noticing that the standard set up will not fit with the h pipe crossover. Not sure if this is a common issue for the aftermarket exhaust guys but wanted to check. Any advice is appreciated.

Thank you.


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post #2 of 16 (permalink) Old 02-04-2019, 10:54 AM
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I have the same setup in my '66 Fastback. IIRC, I had to slightly tweak the parking brake equalizer lever to clear the H-pipe section, but it was just to prevent it from rattling, not because it was a mile off!


'66 GT Fastback, 302, Edelbrock Top End, Sniper EFI/Aeromotive, MSD, JBA Headers & 2.5" Exhaust, T5Z, Currie 3.55 Trac-Loc
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post #3 of 16 (permalink) Old 02-04-2019, 10:56 AM Thread Starter
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Thank you. I will see if I can adjust enough to make it fit. I think it may be far off though. Maybe I tucked the H-pipe up too tight to the body?? I just hate seeing the exhaust hang down if I can avoid it.


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post #4 of 16 (permalink) Old 02-04-2019, 11:04 AM
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I'm running JBA headers which sets up the height of the H-pipe section. You can see where my exhaust ended up through that critical area.
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File Type: jpg EFI_5.jpg (457.0 KB, 19 views)


'66 GT Fastback, 302, Edelbrock Top End, Sniper EFI/Aeromotive, MSD, JBA Headers & 2.5" Exhaust, T5Z, Currie 3.55 Trac-Loc
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post #5 of 16 (permalink) Old 02-04-2019, 11:16 AM Thread Starter
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This is very helpful. Thank you. I am also running the matching JBA headers. I will get under it tonight and see what tweaks I can make.


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post #6 of 16 (permalink) Old 02-04-2019, 11:37 AM
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I have a quick video of my JBA shorty headers with their H-pipe where you can see the parking brake equalizer lever.


'66 Coupe: GT40 5.0: 670 Holley & Edelbrock RPM AirGap: JBA shorties: AOD w/TCI shiftkit: Granada Disks: R&P steering: 3.55 Currie
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post #7 of 16 (permalink) Old 02-04-2019, 11:52 AM
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I have the exact same problem but I have Tri-Y's instead of JBAs. I had a local muffler shop install the exhaust and they tucked the pipes really close to the body. The e-stopp is the only other solution I've been able to figure out but it's awfully pricey! https://www.estopp.com/product-page/...p-standard-kit
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post #8 of 16 (permalink) Old 02-04-2019, 12:30 PM
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The attached picture might help. Which trans crossmember do you have installed?
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File Type: jpg p_brake.jpg (422.8 KB, 14 views)


'66 GT Fastback, 302, Edelbrock Top End, Sniper EFI/Aeromotive, MSD, JBA Headers & 2.5" Exhaust, T5Z, Currie 3.55 Trac-Loc

Last edited by rhutt; 02-04-2019 at 12:38 PM.
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post #9 of 16 (permalink) Old 02-04-2019, 12:36 PM Thread Starter
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Very helpful. I have the T5 crossmember. Tubular off eBay.


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post #10 of 16 (permalink) Old 02-04-2019, 12:39 PM
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I just edited the post to flip the image. Sorry. The lever should pass over the top of the tube.


'66 GT Fastback, 302, Edelbrock Top End, Sniper EFI/Aeromotive, MSD, JBA Headers & 2.5" Exhaust, T5Z, Currie 3.55 Trac-Loc
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post #11 of 16 (permalink) Old 02-04-2019, 02:00 PM Thread Starter
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Do you guys have any problems with the cables rubbing the driveshaft? With my T5 the cables will rub on the driveshaft unless I secure them to the frame closer to the linkage.


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post #12 of 16 (permalink) Old 02-04-2019, 04:51 PM
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Quote:
Originally Posted by cjkcue View Post
Do you guys have any problems with the cables rubbing the driveshaft? With my T5 the cables will rub on the driveshaft unless I secure them to the frame closer to the linkage.


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Look at the Mustang Steve Ebrake setup picture. It appears if you use the original mount points it "should" follow the original cable path.

https://www.mustangsteve.com/product/cobra-cables/
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post #13 of 16 (permalink) Old 02-04-2019, 06:14 PM
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I had a similar problem with my AOD with LBA long tube headers and Magnaflow exhaust. I solved it by bending the parking brake arm to ensure it cleared the exhaust and the driveshaft. You can see it in the pics.
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File Type: jpg IMG_0159.JPG (82.0 KB, 8 views)
File Type: jpg IMG_0408.jpg (407.5 KB, 8 views)
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post #14 of 16 (permalink) Old 02-04-2019, 07:25 PM
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Quote:
Originally Posted by cjkcue View Post
Do you guys have any problems with the cables rubbing the driveshaft? With my T5 the cables will rub on the driveshaft unless I secure them to the frame closer to the linkage.

I use the Modern Driveline crossmember pictured below. It locates the lever in a position the enables the parking brake cables to clear the driveshaft. It is possible that the pivot point on your crossmember is causing all these clearance issues.
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File Type: jpg crossmember.jpg (173.1 KB, 5 views)


'66 GT Fastback, 302, Edelbrock Top End, Sniper EFI/Aeromotive, MSD, JBA Headers & 2.5" Exhaust, T5Z, Currie 3.55 Trac-Loc
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post #15 of 16 (permalink) Old 02-10-2019, 12:55 AM
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I tried to use the JBA H pipe with their headers. It ended up not clearing the T5 cross member from Modern Driveline. I ended up having to modify it to work. If I recall correctly the parking brake equalizer did contact it as well. I retained the down pipes from the headers and completely re-made the H pipe.


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