Re: Measuring problems. Can someone help?
[Re: moparmojo]
#2089780
06/10/16 07:28 PM
06/10/16 07:28 PM
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Joined: Jan 2003
Posts: 4,712 Moved to N.E. Tennessee
GomangoCuda
master
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master
Joined: Jan 2003
Posts: 4,712
Moved to N.E. Tennessee
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I am not a body man and don't know what they use to measure but after 35 years as a toolmaker in an assembly plant and 22 years programming and operating coordinate measuring machines (cmm's) to measure the dimensional integrity of thousands of car bodies I can tell you that the main datums are going to be gage holes in the bottom of the frame rails. The diagonal measurements that you are referring to are likely between the same holes.
In theory, there is no difference between theory and practice. In practice, there is.
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Re: Measuring problems. Can someone help?
[Re: moparmojo]
#2089817
06/10/16 09:06 PM
06/10/16 09:06 PM
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Joined: Dec 2014
Posts: 5,777 ohio
ruderunner
master
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master
Joined: Dec 2014
Posts: 5,777
ohio
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Or don't worry about the factory way.
Pick identical points on each side of the car. Measure front to back, side to side and diagonally between points. You can even pick a "cornerstone" point that all diagonal measures need to be equal.
A plumb Bob and tape measure is all you need.
Angry white pureblood male
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Re: Measuring problems. Can someone help?
[Re: moparmojo]
#2091711
06/14/16 12:04 PM
06/14/16 12:04 PM
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Joined: Sep 2007
Posts: 14,889 up yours
Supercuda
About to go away
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About to go away
Joined: Sep 2007
Posts: 14,889
up yours
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Wow, nice graphic and not what's in my 70 FSM. Where'd you get this?
They say there are no such thing as a stupid question. They say there is always the exception that proves the rule. Don't be the exception.
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Re: Measuring problems. Can someone help?
[Re: Supercuda]
#2091789
06/14/16 01:51 PM
06/14/16 01:51 PM
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Joined: Jan 2003
Posts: 10,030 Wisconsin
Aero426
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 10,030
Wisconsin
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Wow, nice graphic and not what's in my 70 FSM. Where'd you get this? Aftermarket frame book from the olden days. The ones in the FSM are not the most simple to work with.
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Re: Measuring problems. Can someone help?
[Re: moparmojo]
#2091805
06/14/16 02:48 PM
06/14/16 02:48 PM
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Joined: Dec 2014
Posts: 5,777 ohio
ruderunner
master
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master
Joined: Dec 2014
Posts: 5,777
ohio
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That needs a sticky! Got one for b body?
Angry white pureblood male
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Re: Measuring problems. Can someone help?
[Re: moparmojo]
#2091847
06/14/16 03:56 PM
06/14/16 03:56 PM
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Joined: Jan 2003
Posts: 28,067 Irving, TX
feets
Senior Management
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Senior Management
Joined: Jan 2003
Posts: 28,067
Irving, TX
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For the love of God-YES! This is awesome. As soon as I get a moment I will crawl under the car and check out the measurements you posted. I think this is exactly what I was looking for. I'll try doing this on Saturday and let everyone one know how beneficial it is. Thanks Aero! Remember that you'll be measuring center to center on the holes. If you measure between the holes the number will be off the width of the hole. To get it done easily you can measure from the near side of one hole to the far side of the other hole (assuming they are the same size).
We are brothers and sisters doing time on the planet for better or worse. I'll take the better, if you don't mind. - Stu Harmon
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Re: Measuring problems. Can someone help?
[Re: feets]
#2091865
06/14/16 04:21 PM
06/14/16 04:21 PM
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Joined: Jan 2003
Posts: 10,030 Wisconsin
Aero426
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 10,030
Wisconsin
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Remember that you'll be measuring center to center on the holes. If you measure between the holes the number will be off the width of the hole. To get it done easily you can measure from the near side of one hole to the far side of the other hole (assuming they are the same size).
Measure holes according to the specific data sheet. Some measurements are edge to edge. Some data providers are center to center. Ball joints are typically edge of hole to center of ball joint.
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