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#1
08-12-2004, 04:29 PM
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I have a 66 lemans I am converting to disc front and was wondering which dual master cylinder will fit my 66 booster. Also IIRC the upper and lower A arms are the same from 64-72 A bodies. is this true? The brakes I will be putting on are currently on my '69 chevelle. which oddly enough, I got them off of a '72 buick. God love interchangable parts.
 Matt |
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#2
08-12-2004, 04:29 PM
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I have a 66 lemans I am converting to disc front and was wondering which dual master cylinder will fit my 66 booster. Also IIRC the upper and lower A arms are the same from 64-72 A bodies. is this true? The brakes I will be putting on are currently on my '69 chevelle. which oddly enough, I got them off of a '72 buick. God love interchangable parts.
Matt |
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#3
08-12-2004, 09:00 PM
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lemans, im running my 67 dual master on my 67 gto with no problems, does this answer your question??
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#4
08-12-2004, 09:58 PM
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Not sure really. does your 67 have the smaller diameter booster? in the catalogs they list a different booster. so I wasn't sure if I just need a 67 dual or not. I would like to keep the smaller booster for the extra room it creates and I'm not sure wether the large one I have will fit or not. thanx for the reply.
Matt |
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#5
08-12-2004, 11:56 PM
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The vacuum assist (booster) makes no difference. If it worked with the drum brakes, it will work with the discs.
When swapping to disc fronts, it's best to use the '69-'72 A-body disc/drum master cylinder. Don't forget to also pull the prop valve from the Buick-on-Chevy brake system and put it on the LeMans. On another note, you can swap out boosters to the '78-'87 10 inch dual diaphragm booster. Better response and pedal feel. Check my web site here.
__________________
Freedom is never more than one generation away from extinction. We didn't pass it to our children in the bloodstream. It must be fought for, protected, and handed on for them to do the same. -RONALD REAGAN 462 cid/ 6x-4/ TH400/ 3.36:1/ 28x10.5/ 3880#/ 12.35 @ 109.36/ 1.69 60 ft/ 4 wheel disc brakes/ 15 mpg  |
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#6
08-13-2004, 07:55 AM
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perfect. thanx.
Matt |
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#7
08-13-2004, 08:17 AM
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lemans i just finished my complete system up, finelines valve and new lines!! awesome kit, I switched to a 9 inch booster off 79 firebird bolted right on!! If you get a later one bolt studs stick out back of booster cannot be used. Anything i can help you with anytime just ask!!
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#8
08-13-2004, 09:47 AM
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<BLOCKQUOTE class="ip-ubbcode-quote"><font size="-1">quote:</font><HR> If you get a later one bolt studs stick out back of booster cannot be used. <HR></BLOCKQUOTE>
67cruiser- There is an easy fix for that. See the link in my post above to my site.
__________________
Freedom is never more than one generation away from extinction. We didn't pass it to our children in the bloodstream. It must be fought for, protected, and handed on for them to do the same. -RONALD REAGAN 462 cid/ 6x-4/ TH400/ 3.36:1/ 28x10.5/ 3880#/ 12.35 @ 109.36/ 1.69 60 ft/ 4 wheel disc brakes/ 15 mpg |
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#9
08-13-2004, 09:07 PM
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sweet. thanx for the help. I hope to get on this soon. there is a lot of work I have to do, but the car is so fun to drive. I never park it long enough to get any thing done.
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#10
08-15-2004, 11:32 PM
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hey PMD... I swapped my system (75 T/A) for an 81 10" dual diaphragm & master. I referenced your site before I did the swap. Awesome info.. car stops on a dime. Thanks.
-j
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THREADKILLER 1975 Trans Am |
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#11
08-15-2004, 11:35 PM
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Another satisfied web surfer. Thanks for the shout out!
__________________
Freedom is never more than one generation away from extinction. We didn't pass it to our children in the bloodstream. It must be fought for, protected, and handed on for them to do the same. -RONALD REAGAN 462 cid/ 6x-4/ TH400/ 3.36:1/ 28x10.5/ 3880#/ 12.35 @ 109.36/ 1.69 60 ft/ 4 wheel disc brakes/ 15 mpg |
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#12
09-04-2014, 12:49 PM
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Master cylinder
Can I use a disc/drum master cylinder on a drum/drum car
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