Thread: Engine torque specs.

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  1. #1 Engine torque specs. 
    The mod from over yonder TheOtherNick's Avatar
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    Note: All bolts with an additional torque or degrees (*) are torque to yield bolts will will need to be replaced after removal. Also all specs are done usings a good torque wrench and torque angle meter. Not your grand pas wrench from 1944 that has never been checked since the 50's.

    A/C compressor front nuts 100 N.m (74 lb ft) .
    A/C compressor rear bolts 31 N.m (23 lb ft) .
    Camshaft Sprocket Bolt First Pass 74 lb. ft. Final Pass + 90°
    Connecting Rod Cap Bolt 20 ft.lb +50*
    crankshaft balancer bolt 150 Nm (111 ft. lbs.) + 76*
    Crankshaft Main Bearing Cap Bolt 30 ft. lbs. \ +110*
    Crankshaft Main Bearing Cap Bolt (Side) 11 ft. lbs. +45*
    Comp Cams rocker bolts 23 lb ft.
    EGR Valve37 lb. ft.
    (EGR) inlet/outlet pipe bolt (21 ft. lbs.)
    Exhaust Manifold Bolt/Nut 22 lb. ft.
    exhaust manifold pipe stud nuts 32 Nm (24 ft. lbs.)
    exhaust crossover pipe bolts and studs 18 Nm (13 ft. lbs.)
    Flywheel Bolts11 lb. ft. +50*
    front head First pass 37 lb. ft. Second pass +120* Final pass +30*(only 96-01 cars inner 4 bolts) When using head studs work your way up to 90ftlbs using the same picture, I did three passes on mine. 30-60-90

    Rear head Same specs different picture

    knock sensor 19 N.m (14 lb ft) .
    LIM 11 lb. ft. Start in the center and work your way out.
    oil pan bolts 14 Nm (125 inch lbs.)
    Oil Pump Pipe and Screen Bolt 11 ft.lb
    oil level sensor 20 Nm (15 ft. lbs.)
    Power steering pump bolts 25 ft. lbs
    Tighten the valve rocker arm bolt \ 15 Nm (11 ft. lbs.) +90*
    supercharger 17 lb. ft. Start in the center and work your way out.
    supercharger snout 15 lb.ft. Start in the center and work your way out.
    Throttle Body Bolt/Nut 89 lb. in. (7.5 lb. ft.)
    Upper plenum 89in.lb. (7.5 lb. ft.)
    Water Pump Bolt (Long) 25 ft.lb
    Water Pump Bolt (Short) 16 ft.lb
    Water Pump Bolt (SAL) 89 in.lb (7.5 lb. ft.)
    Water Pump Pulley Bolt (3.8L) 115 in.lb (9.5 lb. ft.)

    If anyone has more that they need or would like me to had post them up and I will add them. Vendor bolts/studs etc.

    Nick: doing an add as I found a great thing from FelPro that explains TTY etc and gives many specs as well.
    http://www.felpro-only.com/tec_notes...rque-Guide.pdf
    Last edited by BillBoost37; 02-01-2013 at 07:30 AM.
    01 gtp-big cam e85 dd 78dodge- guzzling fuel 05 cummins- rollin coal
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  2. #2 Re: L67/L32 torque specs 
     

  3. #3 Re: L67/L32 torque specs 
    I live here. UR LOSN's Avatar
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    coulda sworn this was in the HOW TO section...
    2001 GTP- PT76 turbo, Intense Drag cars old engine, Stage 4 Intense turbo cam,FMIC,150 wet,Double roller timing chain,Diamond forged coated pistons 8:0:1,Diamond piston rings,Cryoed L32 connecting rods,Cryoed crank,Clevite77 main bearings,Clevite77 cam bearings,Clevite77 L32 rod bearings,ARP Everything, Intense/meizere true billet Flexplate,Intense Wilson UIM/LIM,Intense oil pressure kit,Cometic,OE-R lifters,Cryoed L67 block,ATI turbo dampner,80# inject,Weldon 2035 fp,Aero Fuel Rails,AL cradle
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  4. #4 Re: L67/L32 torque specs 
    The mod from over yonder TheOtherNick's Avatar
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    I saw one a long time ago and have not see it in forever so I made a new one.
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  5. #5 Re: L67/L32 torque specs 
    The mod from over yonder TheOtherNick's Avatar
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    added upper plenum for the na guys. Should be moved to gen tech.
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  6. #6 Re: Engine torque specs. 
     

  7. #7 Re: Engine torque specs. 
     

  8. #8 Re: Engine torque specs. 
    SE Level Member obsidiansixer's Avatar
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    bookmarked this! Always looking for torque specs.
    1997 T70 V6 Camaro
    1998 V6 Firebird
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  9. #9 Re: Engine torque specs. 
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    please note that the addiitional 30* applies to the first four head bolts and only applies for certain years.
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  10. #10 Re: Engine torque specs. 
    The mod from over yonder TheOtherNick's Avatar
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    Do you remember what years matt? 2000+
    01 gtp-big cam e85 dd 78dodge- guzzling fuel 05 cummins- rollin coal
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  11. #11 Re: Engine torque specs. 
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    96-01
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  12. #12 Re: Engine torque specs. 
    EX GTP OWNER shawngtp's Avatar
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    Comp cam reusable rocker bolts 23 lbs.
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  13. #13 Re: Engine torque specs. 
    The mod from over yonder TheOtherNick's Avatar
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    Updated.
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  14. #14 Re: Engine torque specs. 
    GT Level Member JbrownGTP's Avatar
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    Hey just real quick what do you mean by "start in the center and work your way out" for the supercharger. Only reason i ask is cuz im doing that right now lol
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  15. #15 Re: Engine torque specs. 
    The mod from over yonder TheOtherNick's Avatar
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    Start in the middle and work your way out. Center bolts first then work out evenly to the right and left.
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  16. #16 Re: Engine torque specs. 
    SE Level Member alacran's Avatar
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    AC compressor bolt torque is too high and should 46 ft/lb for the three mounting nuts
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