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Author Topic: head torque S4OSHUS ¯ Member # 2918 posted                              would anyone happen to know the head torque on stock 5.0 mustang heads. and if there's a 1/4 of a turn after the last torque or if you have to losen it up and retighten it? thanx. -------------------- 2001 audi s4 avant stage 3. 460 whp e85 2001 audi S4 stage 3 sold! 91 lx 347 sold! 90 lx notchback sold! 99 cobra sold! Posts: 695 | From: FRISCO | Registered: Jun 2003  |  : Jeff S ¯ Member # 371 posted                                 What kind of bolts/studs are you using? -------------------- '90 Mustang LX: 8.53 @ 157.92 w/ 1.33 60' on DR's '10 ZR1: FOR SALE '14 E63 S: RENNtech ECU '04 Gallardo: UGR TTG Posts: 2121 | From: San Jose, CA | Registered: Aug 2001  |  : S4OSHUS ¯ Member # 2918 posted                              stock head bolts that came of the car. i'm just changing head gaskets i blew and putting it back. -------------------- 2001 audi s4 avant stage 3. 460 whp e85 2001 audi S4 stage 3 sold! 91 lx 347 sold! 90 lx notchback sold! 99 cobra sold! Posts: 695 | From: FRISCO | Registered: Jun 2003  |  : White95GT ¯ Member # 1915 posted                              If your changing head gaskets i would get a new set of head bolts. They tend to stretch over time if that makes sense Posts: 585 | From: The Bay | Registered: Oct 2002  |  : Hungry Hippo ¯ Member # 537 posted                              stocks are not reuseable, either buy some new ones from kragen or arp's if you plan to do it again. you want 85-90 lbs -------------------- 05 S4 Avant(wagon) 09 C6 H/C/I Posts: 2959 | From: east bay | Registered: Nov 2001  |  : Rob [5LVENOM] ¯ Member # 2282 posted                              Don't re-use stock bolts. Posts: 421 | Registered: Jan 2003  |  : stoauto ¯ Member # 2803 posted                              i hope your getting your heads surfaced. Posts: 1054 | Registered: May 2003  |  : S4OSHUS ¯ Member # 2918 posted                              thanks guys. i ordered some arp's. now i need torque specs. -------------------- 2001 audi s4 avant stage 3. 460 whp e85 2001 audi S4 stage 3 sold! 91 lx 347 sold! 90 lx notchback sold! 99 cobra sold! Posts: 695 | From: FRISCO | Registered: Jun 2003  |  : 93PONY Mr. Valve Events Member # 60 posted                           ARP 7/16th bolts are at 70% yeild strength at 70ft/lbs with ARP moly lube. This is the torque ARP recomends. Use sealant on the bottom bolts & torque them to 75-80lbs as the sealant is not a good lube for proper torquing. Use ARP moly lube on the top bolts & torque to 70-75lbs. Use a quality torque wrench... Any torque wrench that has been sitting stored without having it re-set to zero should NOT be used! All torque wrenches must be stored at the zero setting or they will no longer be accurate. Whatever you do, do not exceed 87.5ft/lbs on 7/16th inch ARP bolts/studs. This is 100% yeild & anything over that will stretch the bolts/studs & they will be trash. -------------------- www.advancedenginedevelopment.com SCT dealer Dynotuning (916)715-7569 Posts: 4265 | From: Fair Oaks, CA | Registered: Nov 2000  |  : S4OSHUS ¯ Member # 2918 posted                              thanks for the info 93 pony. i appreciate it! -------------------- 2001 audi s4 avant stage 3. 460 whp e85 2001 audi S4 stage 3 sold! 91 lx 347 sold! 90 lx notchback sold! 99 cobra sold! Posts: 695 | From: FRISCO | Registered: Jun 2003  |  :

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