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anybody, 1/2 to 3/4 ton ?'s

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by ftn96, Aug 18, 2001.

  1. ftn96

    ftn96 1/2 ton status

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    anybody, 1/2 to 3/4 ton ?\'s

    Go my yard 8 lug front dis-assembled, adn the backing plates have those little dust shields that guard the spindle nut area. But they are completely rusted away. Do I really need those?

    #2, The spindles look exactly like my 1/2 tons spindles best memory serves me without having to take the truck apart as I need it for getting all the parts together.

    #3 the yard calipers, WOW, they are so Freekin rusted I doubt I'd want to use them. Looks like I could just put the 8 lug hub adn rotor on the existing 1/2 spindle and backing plate adn use the 1/2 ton calipers. Is this a go or no go? Or do I need to take the truck apart and compare?
    Thank in advance. Im gonna try adn get all the parts together to do this swap over by next weekend and do the front and rear.
    The 14 rear is about ready to go, just cleaning and painting.

    Learning to fry bacon!! [​IMG]
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  2. tRustyK5

    tRustyK5 Big meanie Staff Member Super Moderator GMOTM Winner Author

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    Re: anybody, 1/2 to 3/4 ton ?\'s

    The dust shields can just be chucked...they collect more crap than they protect against.

    1/2 ton calipers and 3/4 ton calipers are the same part...use the good ones on yer truck.
    <blockquote><font class="small">In reply to:</font><hr>

    Looks like I could just put the 8 lug hub adn rotor on the existing 1/2 spindle and backing plate adn use the 1/2 ton calipers. Is this a go or no go?

    <hr></blockquote>
    yes that is a 'go'

    Have fun dude!

    Rene


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  3. rock.monkey

    rock.monkey 1/2 ton status

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    Re: anybody, 1/2 to 3/4 ton ?\'s

    I have the dust guards removed on mine....no problem.
    Is you 1/2 ton front a 10 bolt or D44??
    If it's a 44 it's identical to the 3/4 ton 44.

    Bill Innes
    88' Jimmy

    Built for <font color=blue>Function</font color=blue> <font color=red>NOT</font color=red> <font color=blue>Fashion</font color=blue>
     
  4. ftn96

    ftn96 1/2 ton status

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    Re: anybody, 1/2 to 3/4 ton ?\'s

    ITs a 10 bolt.

    Rene, so to make sure, your saying I can use my current 1/2 ton BACKING PLATES? The big huge round piece that the calipers mount to?? (just clarifying)

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  5. tRustyK5

    tRustyK5 Big meanie Staff Member Super Moderator GMOTM Winner Author

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    Re: anybody, 1/2 to 3/4 ton ?\'s

    No the actual backing plate is different...which is why fitting 15's later is like work. The caliper is the same though.

    Rene

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  6. ftn96

    ftn96 1/2 ton status

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    Re: anybody, 1/2 to 3/4 ton ?\'s

    So in reguard to your PM, the K20 is what I need to order from? and not the k30?

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  7. tRustyK5

    tRustyK5 Big meanie Staff Member Super Moderator GMOTM Winner Author

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    Re: anybody, 1/2 to 3/4 ton ?\'s

    Yes...K30 will net you parts for a Dana 60. Dana 60 parts are cool, but won't help you much with yer 10 bolt.[​IMG]

    Rene

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  8. ftn96

    ftn96 1/2 ton status

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    Re: anybody, 1/2 to 3/4 ton ?\'s

    Ok, I called back adn told him k20 and he says Ok, I know those dont come with the hubs cause they are only 35 bones each. Does this sound better?

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  9. tRustyK5

    tRustyK5 Big meanie Staff Member Super Moderator GMOTM Winner Author

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    Re: anybody, 1/2 to 3/4 ton ?\'s

    Sounds about right...as long as the hub assemblies you have are in decent shape bearing wise you should be good to go.

    Rene

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  10. ftn96

    ftn96 1/2 ton status

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    Re: anybody, 1/2 to 3/4 ton ?\'s

    Well, I've already tapped the bearing races out and was planning on replacing them while I was at it. They cant press the new rotors on till Monday.

    Back to the calipers and the backing plates. If the calipers are the same so they would bolt to either backing plate. Adn the spindles are the same and either backing plate has the same holes to bolt it to the knuckle. I dont see why the 1/2 plate would not fit other that the rotor diameter may be larger than the lip of the plate. Is this the difference? IF so could not that lip be ground off since we gotta grind on the 3/4 ton plate?
    Just trying to get around the grinding if I can?

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  11. tRustyK5

    tRustyK5 Big meanie Staff Member Super Moderator GMOTM Winner Author

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    Re: anybody, 1/2 to 3/4 ton ?\'s

    I don't have half ton and 3/4 ton rotors here to compare but I would be pretty sure the overall diameter of the rotor is bigger on the 3/4 ton stuff. My backing plate is about 3/16" thick if I recall and the rolled lip around the whole outside is what gives the backing plate its strength...I would not grind it off.

    Rene

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  12. ftn96

    ftn96 1/2 ton status

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    Re: anybody, 1/2 to 3/4 ton ?\'s

    So when I go to fit my wheels on the 3/4 ton stuff, Im gonna be grinding on the caliper I know. But will I be grinding on the plate as well?

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  13. tRustyK5

    tRustyK5 Big meanie Staff Member Super Moderator GMOTM Winner Author

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    Re: anybody, 1/2 to 3/4 ton ?\'s

    I had to grind on either side of the caliper on the plate. The plate is not 'round' it has a raised section where the caliper mounts to it, the high spots on either side need some massaging.
    I will be adding some reinforcement to that area on the underside when it all comes aprt in the next few months.
    The caliper itself is what needs most of the grinding.

    Rene

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  14. bigblue

    bigblue 1/2 ton status

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    Re: anybody, 1/2 to 3/4 ton ?\'s

    On my truck the Backing plate needed more grinding than the calipers. Grinding was fun fun....

    Surfing is Life...
     
  15. ftn96

    ftn96 1/2 ton status

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    Re: anybody, 1/2 to 3/4 ton ?\'s

    Well, the dust shields are removed, the plates have been wire frushed (by air power no doubt) then rust convertor applied and painted glossy aluminum rust/heat. They look, "purdy"[​IMG]. Yeah, and they'll be brown and black next week.[​IMG]

    Almost got the rear end completely stripped down minus the diff. IT "ALL" I repeat "ALL" look brand new on the inside. Like brand new gears, carrier bearings the whole nine yards. I was plesantly suprised to see that!!!! SWING NO CHA-CHING!!
    [​IMG]. Im going to compare rotors and get the hubs and new rotors pressed on with new studs. And new brakes. Then we'll almost be ready to paint the rear and re-assemble.
    ITs awn, I love this stuff!!!!! This is what its all about. [​IMG]

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  16. tRustyK5

    tRustyK5 Big meanie Staff Member Super Moderator GMOTM Winner Author

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    Re: anybody, 1/2 to 3/4 ton ?\'s

    Kewl! [​IMG]

    Take some pics, it won't stay purdy for very long...

    Rene

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  17. ftn96

    ftn96 1/2 ton status

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    Re: anybody, 1/2 to 3/4 ton ?\'s

    BINGO!! The k20 rotors where a hit! They will press them on the hubs monday. I pre-checked the fit on the lock outs, they fit good. Got the rear cleaned up, rust converted, 1st coat of paint. Gonan paint the diff cover with that gloss silver adn paint the bolts black. Why I dont know, but it'll look good when I put it in. I'll have to re flare the brake lines. Had to hack them to get the actuators out. The 3/8 flare fitting would not budge!![​IMG] Oh the hydraulics experience come to play after 5 years. LOL!!!! IWll have the rear re-assembled tomorrow. All I need now is the U-bolts. Even painted the anchor plates. Took the back plates off the rear and cleand and painted them too. Goosh Im going over bored aint I? [​IMG]

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  18. tRustyK5

    tRustyK5 Big meanie Staff Member Super Moderator GMOTM Winner Author

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    Re: anybody, 1/2 to 3/4 ton ?\'s

    Glad to hear it Brandon!!!

    Remember to take pics for posterity...

    Rene

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  19. ftn96

    ftn96 1/2 ton status

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    Re: anybody, 1/2 to 3/4 ton ?\'s

    Well, I will when ever I can log in to my freaking website[​IMG]
    Damn freeservers!

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