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Thread: what valve springs u guys running?

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  1. #1
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    alrite cool thanks...

  2. #2
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    Yes, you'll have to replace everything - seats, seals, retainers, locks and springs. All of it comes with the patriot kit. It's not too bad, I used an air compressor to pressurize the cylinder which held the vavles in place - about 100psi. I have a valve spring compressor tool if you want to borrow it, although a donation would be nice too.

    ~ Forged engine of some type ~ Ball bearing turbo of an unconfirmed size ~ 4L8000 trans ~ Beefy fuel system ~

  3. #3
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    Quote Originally Posted by jetmech View Post
    Yes, you'll have to replace everything - seats, seals, retainers, locks and springs. All of it comes with the patriot kit. It's not too bad, I used an air compressor to pressurize the cylinder which held the vavles in place - about 100psi. I have a valve spring compressor tool if you want to borrow it, although a donation would be nice too.
    ok cool ill keep that in mind.the crane cam tool?

  4. #4
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    Yup, it works beautifully!

    ~ Forged engine of some type ~ Ball bearing turbo of an unconfirmed size ~ 4L8000 trans ~ Beefy fuel system ~

  5. #5
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    zo6 springs, just ordered them, .550 if im not mistaken.
    04 GMC Regency - Building a 6.0 Comp 7.4" Hi-Tech Pushrods, Patriot Performance 8401 Spring Kit, Comp Double Roller Timing Chain, ARP Rod Bolts, ARP Head Bolts, Cam - I dont know yet, any suggestions???
    89 Chevy Cheyenne - 10/24/09 Time of death declaired at 8:16pm.

  6. #6
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    seriously! OMG! DUH! thats for all you guys that keep throwing off the wall crap up there.

    Competition Cams- (918) behive valves springs, they are cheap, same size as stock springs and good up to .600'' lift
    [IMG]https://images.app.goo.gl/XLfskemekXBo5VfS7/IMG]
    www.tjc.edu

  7. #7
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    I would not push Z06 (that's actually a zero, not a letter O) to .550". Others will dispute but whatever. There is no more work swapping to Ti retainers and different locks and new seals during a spring swap so like Nike used to say JUST DO IT.

    Replaced an LY6 intake spring today...collateral damage burned a hole in the TBSS type intake.

  8. #8
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    PRC dual extremes here... .660lift changing the seats and seals is a must and very easy...i highly recommend them. stay clear of 918s in my opinion
    2007 RCSB|DTR81 built LSx 3xx|PRC|NX|BOGART|MSD|QUICKFUEL 950 E85|4L80|FTI Converters|Smith RaceCraft|Racepak
    midweststreetcars.com

  9. #9
    Quote Originally Posted by parker View Post
    PRC dual extremes here... .660lift changing the seats and seals is a must and very easy...i highly recommend them. stay clear of 918s in my opinion
    Same here. 918s had a bad batch and took out several tons of motors.
    99RCSB Broke because I wasted thousands and thousands of dollars on my truck.

  10. #10
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    Quote Originally Posted by zeake View Post
    Same here. 918s had a bad batch and took out several tons of motors.
    The ones that got my motor were the "new and improved" ones. Absolute junk in my opinion. I will never run another COMP product as long as I live thanks to the rude customer service I received from them
    2007 RCSB|DTR81 built LSx 3xx|PRC|NX|BOGART|MSD|QUICKFUEL 950 E85|4L80|FTI Converters|Smith RaceCraft|Racepak
    midweststreetcars.com

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