Rear disk brake conversion WHY? any pros? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Custom 68 · 09-27-2007, 11:45 AM

Not to start a fight or anything because I would like (I think) to convert to the rear disk but why? I mean on my 68 I converted to disk up front with a new prop valve. I have added an adjustable proportioning valve to the rear because they are so touchy. I had to do a panic stop or attempt to stop the other day and my rear locked up and sent me into a slide? I have since been adjusting the rear pressure to tone this down, I now feel I am relying soley on my front brakes to stop with very little pressure going to the rears.
so my question is 2 fold first do I have something setup wrong on my brakes? of course you dont know what all I have but it is power with a disk\drum proportioning valve and a conversion from GMC Pauls. and secondly, if my drum brakes will lock up (easily) what benifit is seen from the disk in rear?

Again I know there are vendors on here selling these so I am not slamming them I just am wondering is it more of a change because it sounds cool or is there benifits?
Thanks
Dave

09-27-2007, 11:45 AM	#1
Custom 68 Registered User Join Date: Nov 2001 Location: Springfield, MO Posts: 2,939	Rear disk brake conversion WHY? any pros? Not to start a fight or anything because I would like (I think) to convert to the rear disk but why? I mean on my 68 I converted to disk up front with a new prop valve. I have added an adjustable proportioning valve to the rear because they are so touchy. I had to do a panic stop or attempt to stop the other day and my rear locked up and sent me into a slide? I have since been adjusting the rear pressure to tone this down, I now feel I am relying soley on my front brakes to stop with very little pressure going to the rears. so my question is 2 fold first do I have something setup wrong on my brakes? of course you dont know what all I have but it is power with a disk\drum proportioning valve and a conversion from GMC Pauls. and secondly, if my drum brakes will lock up (easily) what benifit is seen from the disk in rear? Again I know there are vendors on here selling these so I am not slamming them I just am wondering is it more of a change because it sounds cool or is there benifits? Thanks Dave __________________ Dave 1968 Custom Chevy with turbo charged 5.3 gen III 4l80e swap 1967-71 GMC 3/4 ton long step 4x4 (not sure what year exactly?) "A good friend will bail you out of jail...but a true friend will be sitting next to you saying "that was frekin awesome". "If it doesn't fit force it...If it breaks then it needed to be replaced anyway!"



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