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Old 11-07-2013, 03:16 PM
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66 chevy c10 disc conversion

I was wondering if anyone has used a 74 chevelle spindle and disc brake set up on their truck or does this even work, of course you'd have to change ball joints or ream the holes to fit existing and I assume the outer tie rods to match as well as reversing the the tie rod ends. I know there are tons of aftermarket spindles that are direct fit but I'm trying to stay old school as possible and teach my young sons to be resourceful. I was told by an old family friend you can use "any" 71-78 spindle on these trucks and keep your a-arms provided you make the adjustments I mentioned above......I would like some advise if anyone has it to spare to add validity to this claim

Thanks!!!!

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Old 11-08-2013, 03:22 PM
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You can use the whole crossmember.

Covert 60-62 Front Suspension - '60-'66 Chevy pickups
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Old 11-10-2013, 01:44 AM
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You don`t need to change the entire front crossmember, Use `73 to `87 GMC or Chevy or up to `91 suburban, grab the spindle, calipher, brackets, use the `73 to `87 ball joints and all will bolt up to your a-arms, now the tie rod ends you can buy the twin size adapters or grab the entire drag link from the donor truck and resize your bolt holes it will bolt up as well, buy new 6- lug rotors from your local parts house, you`ll need to change master cylinder and or booster, proportioning valve and lines as well.
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Old 11-10-2013, 09:19 AM
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remember 73-87(91 burb) have 2 different thickness rotors
make sure when getting new rotors/clappers you get the correct ones
iirc the standard ones are 1" and the h/d are 1.25"
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Old 11-12-2013, 12:43 PM
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Thanks a million guys!!!!!
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Old 11-12-2013, 01:23 PM
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Originally Posted by Rick 5150 69 View Post
You don`t need to change the entire front crossmember, Use `73 to `87 GMC or Chevy or up to `91 suburban, grab the spindle, calipher, brackets, use the `73 to `87 ball joints and all will bolt up to your a-arms, now the tie rod ends you can buy the twin size adapters or grab the entire drag link from the donor truck and resize your bolt holes it will bolt up as well, buy new 6- lug rotors from your local parts house, you`ll need to change master cylinder and or booster, proportioning valve and lines as well.
I did do go the "replace the whole cross-member" route, and used the steering linkage to match the c-member. I had to re-drill holes for idler arm. Also used the sway bar ... which was "easy peasy"


However ... as far the notion of just going to any parts store and grabbing 6-bolt rotors goes ... to my knowledge, all of the C10 (2wd) trucks were 5-stud ... only the 4x4's were 6-lug.I had to special-order a set of 6-lug rotors from Early Classic Enterprises to fit.




I had also swapped over the rear backing plates from a 1976 C10 with the big (11-5/32" x 2.75") brakes, and drums for a 1976 K10 had the correct 6-lug pattern.


Finally, I had opted to go with Hydroboost brakes as I was expecting low vacuum and wanted LOTS of stopping power with that heavy big-block!
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Old 11-12-2013, 05:01 PM
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you make the hydboost firewall mount or buy?
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Old 11-12-2013, 07:58 PM
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you make the hydboost firewall mount or buy?
No, I actually bought a used HB for an 85 C30 from the wreckers ... as I needed a pushrod and retainer etc. and just plain lucked out on the included mounting plate!





I paid less for this booster than what the core deposit on the reman was worth, so it was a win-win.
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Old 11-14-2013, 03:49 AM
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ok I know where there is a complete set up, wasn't sure if it bolt up..
they cut the lines tho.. but that's not that much of a big deal..
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Old 11-14-2013, 09:37 AM
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Originally Posted by gearheadslife View Post
ok I know where there is a complete set up, wasn't sure if it bolt up..
they cut the lines tho.. but that's not that much of a big deal..
You mean the hoses for the hydroboost?
You can see the NAPA (Gates) part numbers (#36422, 36679) on the boxes in one of the above pics that I posted earlier. These hoses have the inverted flare fittings on them that fit the pre-1981 steering gear and pump. The 81+ units had metric o-ring fittings which are infamous for leaking.

I was not able to get a brand new pre-bent tube for the return line (the one that clamps on to the outlet on the HB) so what you see there is a used one that came with the "core" unit from the wreckers.
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