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Post Whore
![]() Join Date: Aug 2014
Location: Sacramento, CA
Posts: 10,828
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"Drum to Disc" conversions 67-70 pics and videos
just want to start off by thanking Keith for putting together one hell of an amazing and detailed write up on this topic, I would just like to augment it from the end users perspective, following Keith's advice I will be converting what I think is a '69 six lug to a six lug disc setup, I would like to add some pics and videos
[my truck is registered as a 1971 GMC that's why I am not sure of the frame's origin] DRUM TO DISC CONVERSIONS 67-70 67-70 truck with 67-70 Crossmember Installed: 1) There are many advantage to leaving your 67-70 crossmember in place to add disc brakes. 2) 67-70 truck owners can now purchase "year specific" standard and drop spindles, from many aftermarket suspension vendors. * No need to change ball joints. * No need to change tie rod ends. * These new "conversion disc brake spindles" are a true "bolt-on" mod to add disc brakes to your truck. 3) The 67-70 a-arms can also be used with any other (71-72 or 73-87) spindle, with a simple ball joint change. * The upper and lower ball joints and outer tie rods must match the correct year of spindle you choose. 4) You will need a "conversion" rubber brake hose to connect your disc brake caliper to your existing steel brake line. * 71-72 rubber brake hoses can be adapted. * Much longer 73-87 brake hoses can also be adapted. * Aftermarket steel braided brake hoses are an option. 5) Keeping your original 67-70 crossmember allows to to leave the engine and transmission in place. * No need to remove drivetrain. * No need to temporarily support the engine, while removing the crossmember. * Complete disassembly of the front suspension also allows you the ability to clean, inspect, replace or rebuild all the individual components. Links: *http://www.classicperform.com/discdrop.htm *http://www.earlyclassic.com/Tech.asp...20That%20Truck *http://www.customclassictrucks.com/t...all/index.html ********************************************************* ********************************************************* 67-70 Truck With 6-lug Disc Brakes: 6-Lug Drum to 6-Lug Disc Conversions: 1) This 6-lug disc brake swap will include all of the above 5-lug information. 2) The only difference is the use of an aftermarket 6-lug rotor. * These rotors are new castings. * These rotors have been drilled with the correct 6x5.5" 6-lug pattern. * These rotors have the correct 7/16" lug studs that match the original drum brake lug studs. 3) Several aftermarket suspension vendors sell these rotors,... such as: * ECE (Early Classic Enterprises). * POL (Performance OnLine). * CPP (Classic Performance Products). 4) All 63-70 "conversion" stock height and drop spindles will work with these 6-lug rotors. 5) All 71-72 stock oem and drop spindles will work with these 6-lug rotors. 6) If using a 73-87 spindle,... it must be the HD spindle, that works with the 1-1/4" wide rotors. * The 81-87 LD spindles will not work with these 6-lug rotors. Links: *http://www.earlyclassic.com/tech.asp...arly%20Braking *http://www.earlyclassic.com/tech.asp...h%20And%20Whoa * http://www.classictrucks.com/tech/05...all/index.html 6-lug Rotors: *http://67-72chevytrucks.com/vboard/s...ght=Disc+Brake |
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