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  #46 (permalink)  
Old 04-07-2011, 10:10 AM
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My guess is that the confustion isn't so much the system (10 mm to 1 cm, 100 cm to one m, etc), but the reference. We can all look at something and say, "thats about 18 inches", but its much harder to say, "thats like 33 cm". Same thing with miles/km. We all can estimate rather easily what a mile or two is, but we have no frame of reference for km.

That's my problem with metric, anyway.

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  #47 (permalink)  
Old 04-08-2011, 10:27 AM
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Originally Posted by MARTINSR
Let's just forget about the measuring tool you use for a minute and look at your problem or possible problem. What makes you think you have a problem with your body stucture? And I have to tell you that everything you need can be done without those specs. Most often simply cross measuring will tell you everything you need.

Brian
Brian,

Thanks. I've read a bunch of stuff you've written here. It's great, however my choices a while back make that not the best choice right now.

About 12 years ago I made the decision to replace the rusted through rear frame rail in my '66 mustang coupe. So naturally I attacked it with a sawall, then ordered a replacement rail. Yup... brilliant move on my part... first of many I assure you. So after 10 years or so (and several moves), I wanted to actually finish it.

If I was starting now and knew that the other rail wasn't tweaked, I'd just use that as a reference, but with it being moved (once with a front loader, thanks to farmer Ray), I'm not confident that the other hasn't been. I wanted to take the measurements, not only diagonally, but along the other axis as well.

Thanks,

Mike
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  #48 (permalink)  
Old 04-08-2011, 10:36 AM
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Mike, often there is no measurement to go by when repairing a cars body or frame. So you start with what you know, if neither rail is "believable" you need to make one so. Either by fitting outer panels, along with cross measuring, along with visually looking for buckles or broken welds, or cracks, it's the big picture you are after. Using all these things you can determine if one of them is straight to then use it as your guide for the other side.

Brian
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Old 04-08-2011, 11:35 AM
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Quote:
Originally Posted by my66coupe
My guess is that the confustion isn't so much the system (10 mm to 1 cm, 100 cm to one m, etc), but the reference. We can all look at something and say, "thats about 18 inches", but its much harder to say, "thats like 33 cm". Same thing with miles/km. We all can estimate rather easily what a mile or two is, but we have no frame of reference for km.

That's my problem with metric, anyway.

A kilometer is 6/10 of a mile, so 100 KM is 60 miles. There are 2.5 centimeters in an inch, so 5 centimeters is 2 inches. From there you can guesstimate pretty much anything. Those figures are not exactly accurate, but they're close enough for an estimate.
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  #50 (permalink)  
Old 04-08-2011, 12:22 PM
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Quote:
Originally Posted by MARTINSR
Mike, often there is no measurement to go by when repairing a cars body or frame. So you start with what you know, if neither rail is "believable" you need to make one so. Either by fitting outer panels, along with cross measuring, along with visually looking for buckles or broken welds, or cracks, it's the big picture you are after. Using all these things you can determine if one of them is straight to then use it as your guide for the other side.

Brian

Cool. Thanks!
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  #51 (permalink)  
Old 04-14-2011, 01:24 AM
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My car has 472 cubic inches, and I like it that way.


Why should we convert to something the french invented?
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Old 04-14-2011, 06:04 AM
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Originally Posted by silentpoet
My car has 472 cubic inches, and I like it that way.


Why should we convert to something the french invented?
I think 9373cc (or 9400 cubic centimeters) sounds more impressive then 'only' 572 cid. Even, rounded up, 9.4L (liters) sounds good.
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  #53 (permalink)  
Old 04-14-2011, 09:42 AM
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No you see 9.4 is smaller than 472. It is simple math.
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