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07-28-2024, 10:44 AM | #1 |
Registered User
Join Date: Aug 2015
Location: old hickory, tn
Posts: 150
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This might need to be a sticky on disc brake conversions
**I say this should be a sticky as I think this would help a lot of folks pulling their hair out trying to fix this issue**
So i just got done doing a 4 wheel power disc conversion on my 64 c10 with a wilwood adj proportioning valve for the rear. -bench bleed master cyl -bleed brakes using the 2 person method in this order: lft rear (has longest amount of brake line), rt rear, rt front, lft front -Can't get a good pedal until it's about 3 in off the floor. Of course,I layed in bed and can't sleep try to figure out what i did wrong (as most of us do when we can't the solution to our problem and have to quit for the day....lol) I found this on youtube this morning. The guy said most disc brake kits don't say a thing about doing this, I can tell you the auto city classic stuff doesn't. YOU HAVE TO DRILL A NEW BRAKE PUSH ROD MOUNTING HOLE 1 IN LOWER FROM THE ORIGINAL MOUNTING HOLE. here's the link what he shows the difference in pedal travel: https://www.youtube.com/watch?v=iGVNJ87szt0 Last edited by 64stpside; 07-31-2024 at 09:19 AM. |
07-30-2024, 12:26 AM | #2 |
67-72 parts collector,…
Join Date: Nov 2002
Location: Mid-MO
Posts: 22,696
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Re: This might need to be a sticky on disc brake conversions
But are you taking about manual brake master cylinder or one with a booster behind it?
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Keith Convert to disc brakes. http://67-72chevytrucks.com/vboard/s...d.php?t=444823 |
07-31-2024, 09:19 AM | #3 |
Registered User
Join Date: Aug 2015
Location: old hickory, tn
Posts: 150
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Re: This might need to be a sticky on disc brake conversions
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08-01-2024, 04:44 PM | #4 |
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Join Date: Apr 2001
Location: DALLAS,TX
Posts: 21,958
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Re: This might need to be a sticky on disc brake conversions
Manual drum to manual or power disc require changing the pedal pivot point on OE linkages. It's also required if changing a vacuum/pwr brake set-up to/from Hydraboost.
All utilize a slightly different ratio. Master cylinder 'bore' sizes are also different depending on the combination of parts used.
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67SWB-B.B.RetroRod 64SWB-Recycle 89CCDually-Driver/Tow Truck 99CCSWB Driver All Fleetsides @rattlecankustoms in IG Building a small, high rpm engine with the perfect bore, stroke and rod ratio is very impressive. It's like a highly skilled Morrocan sword fighter with a Damascus Steel Scimitar..... Cubic inches is like Indiana Jones with a cheap pistol. |
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