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Thread: 5.3 bolts

  1. #1
    Join Date
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    5.3 bolts

    OK, which bolts must be replaced when reassembling a 5.3? I know the head bolts are stretch bolts, but what about the connecting rods, main caps, etc?

  2. #2
    Join Date
    Feb 2007
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    I think it's only the head bolts and main cap bolts. Other than that, I would assume they all could be reused--but with respect to the amount of miles on the motor...

    2000 ECSB 6.0L
    TORQUER V2 CAM ● COMP 918's ● 7.4 HARDENED PUSHRODS ● K&N SERIES 77 CAI ● 80mm BBK ●PACESETTER LT HEADERS AND 3'' ORY ● SUPER 40 FLOW ● 3000 STALL ● 4.10s ● BUILT 80e ● VORTEC PERFORMANCE TUNE ● MSD 8.5mm PLUG WIRES● ELEC. CUTOUT ● UD & ALT PULLEYS ● FLEX-A-LITE E-FANS ● 22" CENTERLINE STINGRAY III's ● LUND FIBERGLASS TONNEAU ● 2" LEVELING SHACKLES ● 12K HID LOWS & FOGS ● LEDs ● DEBADGED ● WHITE-FACED ESCALADE GAUGES ● KICKER 450.1 ● 2-CVR 10's ● DS60's ● K693's

  3. #3
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    Anybody??

  4. #4
    Join Date
    Nov 2003
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    I don't know what has to be replaced but I'd sure do ARP rod bolts and ARP main and head studs while you have the opportunity. Be sure you get a rod bolt stretch gauge to install the rod bolts properly. Head bolts are a must for replacement and the others are for insurance. I've actually never heard to replace the main bolts before but it makes sense.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

  5. #5
    Join Date
    Oct 2005
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    replace them all.... better safe than sorry IMO
    Quote Originally Posted by DamnYankee View Post
    lol...I wish you would never paint your truck...I bet it bugs them that much more that a primered up truck just soggied his Wheaties. good job buddy
    sprayedenali: i like catching, but not fishing
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  6. #6
    Join Date
    Oct 2007
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    Bandera, TX
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    All your "load" bolts are stretch bolts. Head, mains, balancer, and so on. Anything that holds a load. Hope this helps.
    single digit street truck


    for build info

    http://www.ls1truck.com/forums/my-ga...cs-garage.html

    The best advice I have ever heard:... Only take B( . Y . )ST advice from someone that is CURRENTLY running a turbo setup close to, or bigger than what you want......

  7. #7
    Join Date
    Nov 2003
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    Oh yeah, the pulley bolt. Forgot that one. Always replace that one. Be sure you use the GM tightening procedure when you replace it. An impact will work but they say there's a reason for doing it the correct way, that or just buy an ARP pulley bolt so you can re-use it for life. The stock one will eventually fail if you keep reusing it and then its a bitch to remove once the head snaps off of it.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

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