What is the torque specs for the rod cap?
What is the torque specs for the rod cap?
Small Block Chevy Torque Specs
| Fastener Type | Torque Spec |
|---|---|
| 7/16 in. Inner Main Cap Bolt | 70 ft.-lbs. |
| 3/8 in. Outer Main Cap Bolt | 40 ft.-lbs. |
| 11/32 in. Connecting Rod Bolt | 38-44 ft.-lbs. |
| 3/8 in. Connecting Rod Bolt | 40-45 ft,-lbs. |
What is the torque sequence?
Bolt tightening sequence, or torque sequence, is defined in the torque tightening procedure. Flange joints are torqued tight with the help of a torque wrench (manual or hydraulic). Torque bolts and nuts in a “CRISS-CROSS” sequence using a minimum of three torquing passes and the maximum bolt stress as defined.
Are LS main cap bolts torque to yield?
LS main cap and connecting rod bolts are not torque-to-yield (TTY) but do use the torque angle (TA) specification. The spec is similar to TTY but the bolts are reusable. A wise alternative for high output engines is a set of ARP rod bolts and main studs that use traditional torque specs.
Can you reuse ls2 rod bolts?
You can reuse the bolts. The stock rods are weak and usually break just above the large radius (no aftermarket (ARP) bolt will stop it)… If the rods are out, you should replace them with Compstar or equivalent/better; if you can afford it.
What happens if you over torque a bolt?
One of the most damaging ways to do that is by over-tightening, or over torquing the fastener. This can result in stripping screws, snapping screw heads and damaging pre-tapped threading.
Can I reuse LS main cap bolts?
On a GM LS engine, the cylinder head bolts are TTY and cannot be re-used. The connecting rod bolts are also TTY, but can be tightened up to three times for bearing checking. The vertical main bolts can also be re-used, but the side bolts are often replaced because they have sealant on them.
What are the torque specs for a Pontiac GTO?
Welcome to my 2004-2006 Pontiac GTO Torque Specifications guide. It is extremely important when working on your vehicle to tighten any nuts and bolts to the proper Torque specification. Over tightening can put stress on the bolts and cause them to break or snap.
Why do I need a torque wrench for my GTO?
Under tightening can cause nuts and bolts to come loose, causing serious problems to parts on the vehicle to prematurely break or fail, not to mention the dangers of driving a vehicle with loose bolts. I highly recommend purchasing a Torque wrench for all your do-it-yourself automotive projects.
What happens when you tighten the bolts on a Pontiac GTO?
Over tightening can put stress on the bolts and cause them to break or snap. Under tightening can cause nuts and bolts to come loose, causing serious problems to parts on the vehicle to prematurely break or fail, not to mention the dangers of driving a vehicle with loose bolts.