intake bolts
Thread Starter
Racer
Joined: Dec 2004
Posts: 336
Likes: 0
From: crystal lake Il.
intake bolts
My intake requires 11 pounds of torque on the bolts. I don`t have a torque wrench. About how hard should I push or pull to get close to 11. I had a little oil coming up thru a couple of them and when i went to remove them so I could put sealant on. I could turn them out wiyh a socket and my fingers, I think thats a bit loose.
Le Mans Master
Joined: Dec 2007
Posts: 6,422
Likes: 591
From: McHenry Illinois
Here is a general rule of thumb. If you put a wrench on a bolt and put your right hand on the wrench, thumb pressing against the end of the wrench where the bolt is and fingers hooked on the handle, twist it tight using your wrist, average guy can make 25 or 30 lb ft torque. That may give you a reference.
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Le Mans Master
Joined: Apr 2006
Posts: 5,403
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Its not going to matter if the intake is aluminum or iron the bolts are threading into the head. Its all about not over torquing the bolt and making it stretch to much for the quality of the bolt or torquing to much for the threads.
Team Owner
Joined: Jan 2006
Posts: 37,637
Likes: 3,114
From: Crossville TN
painterman52....
The answer to your initial question is pretty ease, really. The units of measurement for torque are in foot-pounds (or inch-pounds). Since torque is the product of force and distance, and you are wanting 11 foot-pounds [or whatever], you can accomplish that by applying 11 pounds of force on a torque-arm (wrench/ratchet/torque bar length) that is 1 foot in length...or you would put 22 pounds of force on a 6 inch (1/2 foot) long wrench. Torque (ft-lbs) = Force (lbs.) X Wrench length (ft.) This applies when the Force is applied at 90 degrees (right angle) to the torque-arm (which is always the case when using a wrench...unless you put some odd adapter between the wrench and the socket).
Likewise, if your units of measurement are inch-pounds, then you would measure the torque-arm length in inches, rather than feet. Torque (in-lbs) = Force (lbs.) X Wrench length (in.)
The answer to your initial question is pretty ease, really. The units of measurement for torque are in foot-pounds (or inch-pounds). Since torque is the product of force and distance, and you are wanting 11 foot-pounds [or whatever], you can accomplish that by applying 11 pounds of force on a torque-arm (wrench/ratchet/torque bar length) that is 1 foot in length...or you would put 22 pounds of force on a 6 inch (1/2 foot) long wrench. Torque (ft-lbs) = Force (lbs.) X Wrench length (ft.) This applies when the Force is applied at 90 degrees (right angle) to the torque-arm (which is always the case when using a wrench...unless you put some odd adapter between the wrench and the socket).
Likewise, if your units of measurement are inch-pounds, then you would measure the torque-arm length in inches, rather than feet. Torque (in-lbs) = Force (lbs.) X Wrench length (in.)
Team Owner
Joined: Jan 2006
Posts: 37,637
Likes: 3,114
From: Crossville TN
I should have added that to determine the force needed with any length of wrench, divide the Torque to be applied by the Length of the wrench...using the proper unit of measurement for length (feet or inches).
Force applied (lbs.) = Torque (ft-lbs or in-lbs) / Wrench length (feet or inches)
Force applied (lbs.) = Torque (ft-lbs or in-lbs) / Wrench length (feet or inches)