Chevrolet LS Gen. 4 Aluminum Block Torque Specs. Views: following specs apply RPO codes: LS2; LS3; LS4; LH6; LC9; L92; Etc. **Click blue links the table more detailed information** Fastener Type: Fist Pass: Pass: Final Pass: Main Caps: Bolts: 15 ft.-lbs.-80 degrees: Outer Studs: 51 degrees: Side Bolts-18 ft.-lbs.
1 Find most accurate up-to-date torque specifications your LS engine our comprehensive LS torque specs guide. you're working a small block big block LS engine, guide the exact torque specs every component, cylinder heads oil pans. . E38 - Gen 4 V8 V6 E78 (11+ HD V8 I4) E39/E39a .
6.2 Gen 4 LS Engines . Bearings; Connecting Rods; Crankshafts; Engine Block Components; Pistons Rings; Rotating Assemblies; 5.3 Gen 5 LT Engines . Bearings; Connecting Rods; . Fastener Torque Specs LS Engines. LS1 LS2 LS3 LS6 L99 LSA L92 L9H L94 L76 L77 LY6 L96 LFA LZ1 LY5 LMG LMF LH6 LC9 LY2 L20 L33 LQ4 LQ9 LR4 LM7 L59 LS4 LH8 LH9.
Below this guide the torque specs LS based engines. are stock bolt torque specs, you running ARP bolts refer the instructions came the bolts their torque specs. column the on guide shows "degree" section, means bolts are used that application Torque Yield (TTY).
ARP rod bolts (I don't at stock torque specs will a cracked rod go of bad to warrant machining), melling oil pump, stage 2 turbo cam 226/230 .6/.59 113+4, TFS platinum dual springs ti, johnson drop 2110 hydraulics, ati damper, pushrods. Planning re-gapping .25 running e85.
Take torque wrench tighten 12 point 3/8 connecting rod bolts alternating and till achieve 15 foot-pounds. following same procedure torque rod bolts 45 foot-pounds. loosened bolts executed torqueing process to assure initial bolt stretch wouldn't distort final torque value.
Chevrolet. Gen. 1 Small Block; Gen. IV, Mark Big Block; LS Based Engines. Gen. 3, Aluminum Block (LS1, LS6, Etc.) Gen. 3, Iron Block (LM7, LQ4, LQ9, Etc.)
The Gen 4 5.3 torque specs as follows: Main cap bolts - 75 ft-lbs; Connecting Rod Bolts - 18 ft-lbs; Cylinder head bolts (1st pass) - 25 ft-lbs, (2nd pass) - 50 ft-lbs + 90° rotation; Camshaft sprocket bolt - 34 ft-lbs + 180° rotation. . Gen 4 Ls Torque Specs . replacing rebuilding Gen 4 LS engine, is important .