K20 brake part question
I'm trying to correct P.O. butchering of the front drum brakes on a stock 65 K20. The adjuster hardware is nowhere near correct, but I can't seem to find new or used replacements. Even old worn parts would help as could use to match correct parts. Any help or parts numbers/sources would be great.
Thanks, Tom |
Re: K20 brake part question
Do you know what axle you have? IIRC, GM didn't build 4WD's in-house during that time period.
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Do you have a pic? post up a pic if so. GM started building k trucks in 1960 1/2t and 3/4t. one ton and up was still NAPCO
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Thanks for any help, Tom |
Re: K20 brake part question
So what you're saying they are different than 1/2 t? They changed the front brakes in 63 or 64 in the 1/2 ton. don't know about 3/4t. A pic of what you have would help figuring wat you have.
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Sorry I messed up original question. Anybody out there with a 4-5-6 K20 still have original brakes? Thanks, Tom |
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Still looking-Anybody?
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i went thru a long process with my 69 gmc. it has 12'' brakes also. 3/4ton. some parts may be the same
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Thanks, Tom |
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heres what my 69 book shows,
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Re: K20 brake part question
Your axle is a Dana 44f, closed knuckle but I don't know how much difference that makes. I have a 66 k20 that should still be original. I also replied to your classified post, I will take some pics when I tear into mine, but I'm not sure when that will be.
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Did they even have self adj on the 12" brakes? Or on a closed knuckle dana44?
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Re: K20 brake part question
Just a suggestion so don't kill me. Over on Pirate they have kits to convert to disk that typically use mid-70s 3/4 ton front callipers and rotors.
Assuming the brackets are available for a closed D44, I see no downside other than drum wheels may hit the calipers. |
Re: K20 brake part question
I put disc on mine (closed knuckle 44 6 lug) I have 16" by 6" wheels that fit and a set of 15"x8 that fit. Don't have any stock wheels to see if they fit though.
Maybe the hole (for the adjuster) in the 12" brake shoe in lower than the 11"? |
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This is for a 64-72 chevy 2wd 3/4t from classic truck parts # br1610 left. different than 1/2t. don't know if 4wd is the same.
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Unfortunately is the same application as post #11, which is for 11 inch brakes or rear of K20. I have all parts for a K10 front and they are smaller. P.O. tried to make these parts work on front with very bad results.
Thanks to all who are trying to help me on this one. Tom |
Re: K20 brake part question
this is for 12"x2" brakes but does say rear spicer. not 11" Dodge/IH/ford have some for 12"x2" shoes but use a cable instead of a rod. Pictures on rockauto. good luck
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Appreciate all the help, but still no luck. Any body else ?
Thanks, Tom |
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I know this is wayyyyy late and I'm guessing you've figured it out by now, but I did say I'd post pics when I finally tore into mine which is today. This is the right front:
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Yes, I did finally figure it out, and brakes are working great now. Your lucky that it looks like you have all the parts, and they are correctly installed. Are your drums still good? That turned out to be the biggest challenge for me. Was thinking of starting a thread on options I found. Thanks again for getting back to me on my original question, Tom |
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