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11-01-2011, 10:23 PM
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#1 |
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Registered User
Join Date: Dec 2006
Location: Braselton, GA
Posts: 245
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Any one upgraded to 3/4 ton calipers?
I am looking to upgrade to the JD7/JB7 brake calipers. They have the larger piston and brake pads. The calipers bolt up fine, but the hoses will not. I am redoing my 40 year old brake system and this seems to be a budget upgrade. Has anyone done this before? Could you tell a difference? Am I going to run into any other problems?
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11-02-2011, 12:13 AM
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#2 |
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Registered User
Join Date: Apr 2010
Location: McFarland CA
Posts: 1,392
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Re: Any one upgraded to 3/4 ton calipers?
subscribed
__________________
Pancho 69 c/10 step side 454/400 with 3.07 |
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11-02-2011, 10:17 AM
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#3 |
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Registered User
Join Date: Dec 2006
Location: Braselton, GA
Posts: 245
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Re: Any one upgraded to 3/4 ton calipers?
Anyone done this?
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11-02-2011, 10:26 AM
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#4 |
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Registered User
Join Date: Jun 2011
Location: Monroe, WI
Posts: 1,415
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Re: Any one upgraded to 3/4 ton calipers?
I am very curious about this as well!
__________________
Adam My 1967 C10 - Turbo 250 Build Thread http://67-72chevytrucks.com/vboard/s...d.php?t=485843 (608) 214-8706 |
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11-02-2011, 09:19 PM
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#5 |
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Registered User
Join Date: Dec 2006
Location: Braselton, GA
Posts: 245
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Re: Any one upgraded to 3/4 ton calipers?
Well I went ahead & ordered the brake hose. I should know something in a few days. I am considering purchasing the 3/4 ton booster also.
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11-02-2011, 09:28 PM
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#6 |
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Registered User
Join Date: Dec 2007
Location: Nanaimo B.C.
Posts: 604
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Re: Any one upgraded to 3/4 ton calipers?
I am curious about this to!
__________________
I was hooked on these trucks since 1982 when I drove my budys fathers 1968 Custum GMC 396 automatic dana 60 rear with a power lock diff what a ride more fun then we will we can ever tell!! |
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11-02-2011, 09:50 PM
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#7 |
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its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,690
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Re: Any one upgraded to 3/4 ton calipers?
I was under the impression the calipers and pads were the exact same between the 10 and the 20 series trucks.
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11-03-2011, 11:18 AM
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#8 |
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Registered User
Join Date: Dec 2006
Location: Braselton, GA
Posts: 245
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Re: Any one upgraded to 3/4 ton calipers?
The larger calipers I want to use are from something like an 1980 k20 suburban. They have a the larger 3 5/8 piston diameter & use a slightly larger brake pad.
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11-03-2011, 09:40 PM
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#9 |
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Registered User
Join Date: Dec 2006
Location: Braselton, GA
Posts: 245
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Re: Any one upgraded to 3/4 ton calipers?
Here is a photo of the pads. Top ones are for the larger caliper, & the lower is the original pads. I got the brake hose today for the suburban, it will thread into the line and with a new bolt, the line will bolt to the caliper. The suburban brake hose is like 4" too long. It would be good if anyone out there has a pic of how a similar line is mounted?
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11-03-2011, 10:17 PM
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#10 |
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Big Red - Now its a SWB!
Join Date: Jun 2009
Location: Oroville, Ca
Posts: 1,624
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Re: Any one upgraded to 3/4 ton calipers?
Good idea, I'll be watching to see how it turns out for you.
__________________
68 3/4 ton  (Project)-350 Small Block, .030 over, 10:1 comp, 3998993 heads, C3BX edelbrock intake, comp cams XE268, Holley 670 SA, long tube headers, dual flow 40's, E-fan, Alum rad, currently under the knife getting shortened and bagged  build thread41 3/4 ton (wife's)-flatbed, fully restored to original01 Tahoe LT 4WD (my daily driver)-Magnaflow Muffler, Rollin on 22's 02 Ford Mustang Convertable (Wife's Car)-Flowmaster 50, Clear corners, Intake, sittin on 18's |
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11-03-2011, 11:20 PM
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#11 |
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Grandpa in the rustmobile...
Join Date: Nov 2008
Location: Spokane WA/Viola TN
Posts: 11,422
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Re: Any one upgraded to 3/4 ton calipers?
Im in
__________________
John Goose-1968 C10 355,9.32-1CR, Vortec Heads ,262 voodoo, 3.73:1 3OTT (HS ride/beater/farm truck) http://67-72chevytrucks.com/vboard/s...d.php?t=317684 Grams 53-1953 Chevrolet Belair http://67-72chevytrucks.com/vboard/s...=1#post4327784 1969 Chevy C10 Shortbed 4.5/6?" Frame off resto http://67-72chevytrucks.com/vboard/s...d.php?t=548136 1999 Toyota Tacoma 4x4 |
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11-04-2011, 12:43 PM
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#12 |
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Senior Member
 
Join Date: May 2006
Location: Philadelphia, Pa. 19454
Posts: 9,784
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Re: Any one upgraded to 3/4 ton calipers?
What size wheels are going to be on your truck....nice upgrade. Thanks for posting up
__________________
Semper Fi...Uncle Sam, you da man All parts offered to help are free, unless otherwise noted Dont try this stuff in my build thread, unless you have 55 years of mechanical OTJ training SAFETY FIRST AS usual, off topic They say your mind goes second, can't remember the first Jim |
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11-04-2011, 01:40 PM
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#13 |
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Registered User
Join Date: Mar 2004
Location: CA
Posts: 2,057
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Re: Any one upgraded to 3/4 ton calipers?
I did a 3/4 ton swap on my 86 K10, the calipers bolted up fine, pads were fine. I used AN braided line for my hoses though, so I never had an issue with them being to short. I haven't actually driven it more than around the block yet, but everything seems fine now.
The larger piston will give you a little more stopping power, but I think it's minimal. I didn't think the booster or master cylinder were different? |
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11-08-2011, 10:11 AM
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#14 |
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Registered User
Join Date: Dec 2006
Location: Braselton, GA
Posts: 245
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Re: Any one upgraded to 3/4 ton calipers?
The calipers clear with 15" wheels. I ordered some Stainless Braided lines to fit & they leak at the sealing washers. I have reinstalled the lines 3 times with new washers every time. I am so frustrated right now every thing is going to go back to stock parts. Oh well it was a nice thought.
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