How do you tell if a truck frame is straight?

[Aftermarketfreak96]

Tomorrow I will be going to look at a new bare frame for my 87 k10, and am wondering how you tell if the frame is straight or not. The reason I'm asking this is because I remember reading somewhere where a guy was putting the body on a new frame and the body didn't line up. Would appreciate it if someone could give me some advice.
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[Desert1957]

Why would you think your frame is NOT straight?

Did the truck have signs of any accidents?

Desert

[76stepsidechevy]

Measuring corner to corner will tell you how square it is.

[vegadesign]

measure measure measure!

[Rnd]

Originally Posted by vegadesign

measure measure measure!

If you can get your hands on a shop manual there some key points with dimensions to measure.

If I remember correctly it all can be done with a simple measuring tape.

[vegadesign]

this should be all you need. a good hour or two of measuring should have you somewhere
http://www.chuckschevytruckpages.com/framespecs.html

[Rnd]

Originally Posted by vegadesign

this should be all you need. a good hour or two of measuring should have you somewhere
http://www.chuckschevytruckpages.com/framespecs.html

Thank you, that's what I was talking about.