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  • 5 Post By glennsexton

Thread: 1979 Cadillac 425 torque specs..
          
   
   

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  1. #1
    TooMany2count's Avatar
    TooMany2count is offline CHR Member Visit my Photo Gallery
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    1979 Cadillac 425 torque specs..

     



    Can someone get their motor repair manual out & give the torque specs for the heads & intake for a 79 Cadillac 425 engine?? My book is at home 8hrs away && I can't seem to find them online...thanks..joe
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  2. #2
    glennsexton's Avatar
    glennsexton is offline CHR Member/Contributor Visit my Photo Gallery
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    as per https://www.cad500parts.com/catalog/page4.htm

    Stock Rods with Stock Bolts: 40 Ft-Lbs
    Stock Rods with ARP Bolts: 50 Ft-Lbs (with ARP thread lube)
    Aftermarket Rods with ARP Cap Screws: 65 Ft-Lbs (with ARP thread lube)
    Aftermarket Rods with ARP 2000 Cap Screws: 75 Ft-Lbs (with ARP thread lube)
    Main Bolts: 90 Ft-Lbs
    ARP Main Studs (with ARP thread lube): Head Bolts: 115 Ft-Lbs
    ARP Head Studs (with ARP thread lube): Intake: 30 Ft-Lbs
    Exhaust: 35 Ft-Lbs
    Cam Bolts: 25 Ft-Lbs
    Rockers: 55 Ft-Lbs
    Valve Covers: 10 Ft-Lbs
    Flex Plate: 50 Ft-Lbs
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