Tighten the following valve rocker arm bolts: 9.1. Tighten the exhaust valve rocker arm bolts 3, 4, 5, and 6 to 30 N·m (22 lb ft).
What happens when you over tighten valves?
On a gate valve, for example, when the nipple is over tightened to point that it pushes against the thread chamber, it distorts the chamber. On the other side is the valve seat. If the seat has been distorted, then the gate will not close properly.
How do I choose my rocker arm ratio?
The ratio of a rocker arm refers to the amount of movement on the valve side of the rocker arm in comparison to the pushrod side. A 1.5:1 rocker arm will move a valve 1.5 times the lift of the cam, assuming all things are in proper working order. If your cam has a lift of . 4 inches, multiply by 1.5 to get .
How do you determine a rocker ratio?
Divide the number from the valve by the number from the lifter. The answer is your rocker arm ratio.
Why choose Jesse Jesse sportsman steel rockers?
Jesel Sportsman Steel Rockers provide engine builders with the option of high strength steel rockers at an extremely affordable price and can be ordered separately or as an upgrade to certain Pro Aluminum rocker systems.
What is the recommended torque setting for a typical 3/8 cup adjuster?
Our recommended torque setting for a typical 3/8-24 cup or ball style adjuster is 25 Lbs-Ft. Over tightening the adjuster nut stresses the thread area in the rocker body leading to premature rocker arm failure. Are there any break-in procedures I need to follow?
What is in the Jesel catalog?
Thank you! The Jesel Vol. 13 Catalog is filled with high resolution photos, detailed product descriptions, series explanations, an extensive part number listing, tech tips and frequently asked questions.
How many turns should the adjuster set be on a rocker?
All rockers are shipped from Jesel with the adjuster set at one full turn from seated. Operating an engine with the adjusters more than two turns out puts excessive loads on the cup area and may lead to premature failure of the adjuster. When should I be running needle bearing nose rollers?
