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-   -   sae or metric hex more common in automotive? (http://www.hotrodders.com/forum/sae-metric-hex-more-common-automotive-207896.html)

tech69 10-30-2011 09:33 AM

sae or metric hex more common in automotive?
 
I don't see a lot of hex bolts but have gotten a sae socket set but am not sure if I should have gotten metric. I guess whatever is most common is the right choice. Any response appreciated.

poncho62 10-30-2011 09:41 AM

Depends on what you are working on ....and the age of the vehicle.....Most seem to be metric these days, up here in Canada anyways......The older American stuff we tend to play with are mostly SAE.....There was a while in the 70s, when you didnt know what wrenches to bring out, those cars had both..... :confused:

tech69 10-30-2011 09:46 AM

I would say for cars 2000 and up. Any ideas?

Valkyrie5.7 10-30-2011 09:54 AM

Quote:

Originally Posted by poncho62
The older American stuff we tend to play with are mostly SAE.....There was a while in the 70s, when you didnt know what wrenches to bring out, those cars had both..... :confused:

My 1996 c-2500 is like that. Pain in the butt.

Quote:

Originally Posted by tech69
I don't see a lot of hex bolts but have gotten a sae socket set but am not sure if I should have gotten metric. I guess whatever is most common is the right choice. Any response appreciated.

Was checking for noises in the rearend area of a friend's Magnum R/T last night. The drainplug was a h14 Hex if I remember correctly. That IRS was seriously tucked under the car. Completely OT - but I was also blown away by how plastic fantastic the underside of that car is, even compared to my brothers 96 mustang. It's a tight fit under there for being such a big car.

cobalt327 10-30-2011 10:26 AM

Quote:

Originally Posted by tech69
I would say for cars 2000 and up. Any ideas?

You need both metric and SAE (many SBC engine fasteners are still SAE, for example) but 2000-up is otherwise mainly metric.

OT- My '80 Malibu has a bastard mix of both SAE and metric. Need both boxes when I deal w/it...

oldred 10-30-2011 10:27 AM

Something of a pet gripe of mine is a 7 MM hex drive fastener is fairly common on cars/trucks, brake calipers on many models for example use them, but for some reason most sets skip the 7 MM size and jump from 6 MM to 8 MM sizes! :mad: I had three sets, a folding set, a "T" handle set and a socket set and none of them had a 7 MM.

DanielC 10-30-2011 11:00 AM

You need what you need.
I have a few Datsun 521 trucks as a project. The engine is metric. The body is SAE. The pipe fittings on the engine are BSP (British Standard Pipe) Brake line flare nuts are 3/8-24, and there brake line is 3/16.

With most cars, you need both. With more modern cars, you will also need TORX or other odd type sockets/ or drivers. And then when you get the TORX drivers, you will find you need the security TORX drivers.

willowbilly3 10-30-2011 11:14 AM

You just need both.

tech69 10-30-2011 07:45 PM

thanks guys.

T-bucket23 11-03-2011 06:36 AM

Quote:

Originally Posted by tech69
I would say for cars 2000 and up. Any ideas?

Metric only for the most part.
Some sizes cross over fairly close like 9/16 and 14MM 16MM and 5/8. If you had to buy 1 set I would buy a 3/8 drive metric set with 6 point sockets, short and deep.

cobalt327 11-03-2011 11:05 AM

Quote:

Originally Posted by T-bucket23
Some sizes cross over fairly close...

I think the first one that is "learned" is 1/2" is a tight fit on a 13mm, and vice versa. But they are not the SAME size, use metric on SAE or SAE on metric only if it's a necessity, obviously. ;)

poncho62 11-03-2011 12:21 PM

Just get one of these.......lol

http://www.easybizchina.com/picture/...9DA7152B3D.gif

DanielC 11-03-2011 12:35 PM

Wrong tool. WRONG COUNTRY OF MANUFACTURER!

poncho62 11-03-2011 12:41 PM

Quote:

Originally Posted by DanielC
Wrong tool. WRONG COUNTRY OF MANUFACTURER!

lol...didnt see that China on there.......Its the right tool if you have a 55 Chevy...They used to say all you needed for them was a Hammer and an adjustable...... :smash:

T-bucket23 11-03-2011 01:58 PM

Quote:

Originally Posted by poncho62

Is this metric or sae


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