Head Bolt Torque Head bolt torquerefers to the amount of rotational force that must be applied to the cylinder head bolts for a safe and secure connection either to the engine block or another cylinder head depending upon the engine. After the desired torque is reached, some bolts then require...
LS9: 9 bolt The crank shaft on the LS series engines does not extend aft as far as its older small block bretheren thus a crank shaft spacer/adapter plate is required if using a previous generation automatic transmission and torque converter. ...
Comments:The ZR-1 finally got some distance between it and the base Corvette with an increase in its LT5 engine to a whopping 405 bhp. This was due mainly to modifications to the cylinder heads and valve train. Other changes included four-bolt main bearings, a Mobil 1 synthetic oil requir...
2. Fix the main bearing caps that were "walking" and re-line bore the main bearing caps (loose main caps are a bad thing). 3. Replace the bolts for the main bearings with studs. Same with the heads (more torque can be applied to keep things in place with studs and nuts). 4. Ch...