What is the torque specs for LS head bolts?
Installation Process
| LS Cylinder Head Torque Specs | ||
|---|---|---|
| Engine Family | Bolt Size | Final Pass |
| Gen. 3 (LS1, LS6, etc.) | M11 x 155.5mm | 90 degrees |
| M11 x 101mm | 50 degrees | |
| M8 x 46mm | 22 ft.-lbs. |
Are LS head bolts torque to yield?
LS head bolts are torque-to-yield (TTY), meaning they cannot be reused a second time. A TTY bolt is stretched when fastened, typically with a specified degree of turn after torquing. Make sure you purchase a high quality new set of head bolts and only use them once. They’re not that expensive.
How much power does a stock 5.3 make?
around 320 hp
The stock 5.3L is factory rated around 320 hp with 340 lb-ft of torque.
What are the lsls1&LS6 torque specs?
LS1 & LS6 Torque Specs Bolts or Engine Parts to Torque Amount to Torque or Turn (Degrees) to: Connecting Rod Bolts – Second Design (Fi 75 degrees Crankshaft Balancer Bolt (Installation P 240 lb ft Crankshaft Balancer Bolt (First Pass-Ins 37 lb ft Crankshaft Balancer Bolt (Final Pass) 140 degrees
What are LS engines?
LS engines are available in a range of displacements and are all based on the same design characteristics. You’ll find LS engines in many high performance vehicles in the GM lineup as well as engine replacements in hot rods, muscle cars and street trucks.
What are the torque specs for a 2002 LM7?
One is for a 6.0 (2002) the torque specs are the same for the LM7. The other is a Chilton service manual. On the Chilton the info is at the bottom of page 2B It’s 22lbs, 90 degree, then 90 degree only on the longs, 60 on the shorts. The 22lbs on all 10mm. 22, 90, then 70 is for 04+ bolts and blocks.
What kind of engine does a L33 have?
The L33 is a 5.3L, Gen. 3 small block engine used in GM trucks between 2005 and 2007. Although it is a truck engine, it used cylinder heads closely related to the LS2 and LS6.