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Valve Springs for a KB113 cam

Discussion in 'Tri Shield Performance' started by stage1455, Feb 21, 2013.

  1. stage1455

    stage1455 Well-Known Member

    I need to replace the valve springs on my 455. It has a KB113 cam, it has been in the car a long time and I have picked up a top end miss at the track, tried everything I can think of and think I have narrowed it down to week springs.
    What do I need? I currently have single springs, unknown brand, they were installed when I had the head work done, and were supposed to work with the cam I have. Not sure if I can even get a hold of the person who did my heads anymore.
    I'm thinking springs, retainers and keepers.

    Thanks,
     
    stage1455, Feb 21, 2013
    #1
  2. Jim Weise

    Jim Weise EFI/DIS 482

    As far as springs, TA's 1435A will do the job for you.

    Never a bad idea to upgrade the keepers and retainers, but maybe not required. Depends on what you have there.

    JW
     
    Jim Weise, Feb 21, 2013
    #2
  3. stage1455

    stage1455 Well-Known Member

    Is there an easy way to tell the difference between Buick and Chevy valves? Pretty sure I have Chevy valves, but it's been too many years!
     
    stage1455, Feb 23, 2013
    #3
  4. ken betts

    ken betts Well-Known Member

    Easy to tell when you remove existing keepers. Standard Buick keepers are smooth on the inside to match Buick valves, where chevy type keepers have a step on the inside to match the small groove on the valve. You can look at the TA catalog on line to see the difference. The springs that Jim recommended are the same ones I am using on my C118 cam.
     
    ken betts, Feb 23, 2013
    #4
  5. stage1455

    stage1455 Well-Known Member

    What is the recommended installed height for these springs?
     
    stage1455, Feb 24, 2013
    #5
  6. Jim Weise

    Jim Weise EFI/DIS 482

    Catalog installed height is 1.870 for 100lbs on the seat. Never a bad idea to double check any spring.

    JW
     
    Jim Weise, Feb 26, 2013
    #6
  7. 462 Chevelle

    462 Chevelle 462 chevelle

    Is it recommended to do a direct swap from stock heads with these springs and don't machine the guide and leave the inner spring out on a 5500 rpm engine?
     
    462 Chevelle, Feb 26, 2013
    #7
  8. Jim Weise

    Jim Weise EFI/DIS 482

    Lonnie,

    These are single springs with a damper, direct replacement for stock springs. No machine work or new parts required.

    JW
     
    Jim Weise, Feb 26, 2013
    #8
  9. 462 Chevelle

    462 Chevelle 462 chevelle

    Oh I must have misread Ta web sight i thought it said must use deferent seal or machine the guide to fit or remove inner spring. Direct replacement makes it easy
     
    462 Chevelle, Feb 26, 2013
    #9
  10. HotRodRivi

    HotRodRivi Tomahawks sighted overseas

    Have you begun testing the beehives yet ?
     
    HotRodRivi, Mar 17, 2014
    #10

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