Caliper Size

Discussion in 'Axles + Brakes' started by 98BlackSierra, May 15, 2018.

  1. 98BlackSierra

    98BlackSierra Lifelong Chevy Owner

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    Ive asked the question before, but could never get a straight answer. I have a ‘98 F44 optioned 1/2 ton Silverado. Obviously the rear end is a light duty 3/4 ton rear end with larger drums, but are there any differences to the front calipers? Are they the same size as a normal 1/2 ton K1500 or is there a different size I should be looking at?

    Thanks in advance
     
  2. rojas84

    rojas84 Newbie

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    Calipers on 3/4 have a bigger bore on them they are 3 5/32 and the 1/2 ton is 2 5/16

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  3. rojas84

    rojas84 Newbie

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    They will bolr right up to the 1/2 ton spindles

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  4. 98BlackSierra

    98BlackSierra Lifelong Chevy Owner

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    But is there a difference in size from an F44 optioned half ton and a regular 1/2 ton. That’s all I’m looking for
     
  5. evilunclegrimace

    evilunclegrimace I'm Awesome

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    It depends on what year the truck is and what brake option the truck has
     
  6. someotherguy

    someotherguy I'm Awesome

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    Your F44 truck has JB6 which are the 1.25" thick front rotors and the bigger rear drums. The difference between JB5 and JB6 are the rears. Fronts are the same as a regular non-F44 1500. The exception would be 1988-1990 regular cab 1500s equipped with standard brakes (not hd brakes) those got the 1" rotors instead of the 1.25" everybody else got.

    Richard
     
    Last edited: May 16, 2018
    rojas84 and 98BlackSierra like this.
  7. rojas84

    rojas84 Newbie

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    Exactly this the rear is 10 inch drums or 11 inch fronts are the same

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