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#1
12-03-2015, 01:23 PM
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Need help with new 49-68 rear disc setup
We are redesigning our 49-68 Pontiac/Olds rear disc setup. We may be able to do this as a drum-in-hat type emergency brake setup instead of a integral caliper style as before. As you know the early Pontiacs had a different style of cable retention to the backing plate as shown in the Buick pic. What we need help in is dimensions where the Pontiac cable mounts to the drum backing plate. If we know this the existing or repop cable can be used if slightly modified. Pix of the Pontiac backing plate are great too...
This is the version for the 68-81 F body. We also have it for 64-72 A's |
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#2
12-03-2015, 04:28 PM
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I could mail one to you if you want for the cost of shipping?
__________________
Brad Hansen 65 Cat Ventura, 66 Cat Vert, 63 GP |
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#3
12-03-2015, 04:48 PM
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Thanks, I will keep that in mind. Does yours look roughly the same as the pic above?
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#4
12-04-2015, 11:35 AM
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So are you asking for dimensions from ANY year backing plate between 49-68? I have some 1965 backing plates loose that I can easily measure.
__________________
Red\black 65 Grand Prix 467 E-head stroker, Viper T-56 6-speed, 4.10 spool |
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#5
12-04-2015, 12:16 PM
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Yes, the more the merrier - usually this kind of stuff does not change much but one never knows.
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#6
12-04-2015, 01:58 PM
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backing plate
Quote:
The part number on the plate reads: MORAINE PRODUCTS 5456881-L |
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#7
12-04-2015, 08:35 PM
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So it looks like here was a design change between 61 (as I posted in the 61 forum) and 62 from a bolt in brake cable to one with a clip retained cable.
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#8
12-07-2015, 05:37 PM
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Quote:
I think if the offer still stand we will take it. Please email direct: [email protected] and will arrange payment. Mark |
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#9
12-23-2015, 06:36 PM
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New setup on the test bench. We found machining the bracket for bearing clearance was not an attractive option here so we are adding a pair of bearing shims to retain the wheel bearing securely. The rotor is from an Impala, and uses the drum-in-hat style e-brake. We improved this by utilising a cheaper, larger caliper and also a adjustment screw mounted that allow external fitment. Hose routing is pretty simple as shown, with a welded tab to securely retain the line - no zip ties.
     
Last edited by Scarebird; 12-23-2015 at 06:46 PM. |
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#10
12-23-2015, 07:12 PM
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Thanks for your products Scarebird.
__________________
 ECM member. 2008 Outlaw Pontiac Drag Series Champion MANDRA Do it now fool! Life is short. 69 Grand Prix/3163lbs / IAII 535 w/ Tiger heads by Gaydosh....9.35@ 144 so far..  through mufflers. 1.26 60'. Going back to track with pump gas engine.... My 60 Ventura retired to street/strip duty.. |
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#11
12-23-2015, 07:13 PM
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Nice! Look forward to snagging a set to match my front kit.
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#12
12-25-2015, 06:16 PM
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Looking good...I'll be glad to have the drum e-brake option and ditch the TA calipers. Any estimate on price and availability?
__________________
Red\black 65 Grand Prix 467 E-head stroker, Viper T-56 6-speed, 4.10 spool |
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