5LikesThread: 1979 Cadillac 425 torque specs..
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01-18-2019 09:37 PM #1
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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..joeDonate Blood,Plasma,Platelets & sign your DONORS CARD & SAVE a LIFE
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01-19-2019 01:28 AM #2
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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"Where the people fear the government you have tyranny. Where the government fears the people you have liberty." John Basil Barnhil
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