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-   -   Camber Measurement Device (https://www.ft86club.com/forums/showthread.php?t=74978)

PPX 09-28-2014 01:50 AM

Camber Measurement Device
 
Hello Forum members, please give some input and suggestions on how to implement a self leveling device to measure wheel camber accurately. The device will be self made.

stugray 09-28-2014 02:56 AM

I use a craftsman 3 foot digital level.

It has magnets on it to hang on things.
I used those magnets to hold on steel 1/4" X 14" bars that I threaded some small bolts into.
The bolts stick out from the side of the level just enough for me to touch the rim on top & bottom.
It seems accurate to 1/10 degree.

Here's my son measuring
http://i366.photobucket.com/albums/o...ps0e54a3b3.jpg

Captain Snooze 09-28-2014 03:22 AM

Quote:

Originally Posted by stugray (Post 1963647)
I use a craftsman 3 foot digital level.

That looks freakin' fantastic.
Ummm.... what car is that?

wparsons 09-28-2014 08:02 AM

Nothing against Stugray's suggestion, but for that (or anything else) to be accurate you need a totally level floor for the car to rest on. If you can't get that first, don't bother looking further.

fstlane 09-28-2014 10:45 AM

Here's the one a made a while back that has served me well. It's also self leveling so just place it on the floor in front of behind the tire and press the zero button prior to taking the camber measurement.
http://www.ft86club.com/forums/showp...25&postcount=1

stugray 09-28-2014 12:39 PM

Quote:

Originally Posted by Captain Snooze (Post 1963659)
That looks freakin' fantastic.
Ummm.... what car is that?

It's my other 2.0L boxer engined track car (Porsche 914)

Quote:

Originally Posted by wparsons (Post 1963714)
Nothing against Stugray's suggestion, but for that (or anything else) to be accurate you need a totally level floor for the car to rest on. If you can't get that first, don't bother looking further.

:thumbsup: - OR you can use the same level to check the floor/car first and record the degrees out of level.


Quote:

Originally Posted by fstlane (Post 1963753)
Here's the one a made a while back that has served me well. It's also self leveling so just place it on the floor in front of behind the tire and press the zero button prior to taking the camber measurement.
http://www.ft86club.com/forums/showp...25&postcount=1

Nice! Great minds think alike....

wparsons 09-28-2014 09:24 PM

Quote:

Originally Posted by stugray (Post 1963806)
:thumbsup: - OR you can use the same level to check the floor/car first and record the degrees out of level.

That'll get you close, but with enough slope, the suspension will load differently than flat ground and will throw the measurements off slightly.

Now, it'll have to be more than a couple degree slope to do that, so if the ground is reasonably flat you can make it work.

Wayno 09-28-2014 10:16 PM

Quote:

Originally Posted by wparsons (Post 1963714)
Nothing against Stugray's suggestion, but for that (or anything else) to be accurate you need a totally level floor for the car to rest on. If you can't get that first, don't bother looking further.

This! I gave up using levels and got the clearance from tire to strut equal.

stugray 09-29-2014 12:08 AM

Quote:

Originally Posted by wparsons (Post 1964192)
That'll get you close, but with enough slope, the suspension will load differently than flat ground and will throw the measurements off slightly.

Now, it'll have to be more than a couple degree slope to do that, so if the ground is reasonably flat you can make it work.

While we are on the subject of DIY alignment:
I always make sure to roll the car onto the slab and then make the measurements.
You dont want to try it after jacking the car up and setting it back down.
That will throw off your measurements.

Thorpedo 09-29-2014 09:10 AM

Take measurement, mark where tires are, turn car around, measure again. If you get the same measurement on all 4 corners I think you must be fairly close.

wparsons 09-29-2014 12:42 PM

^^ That works too!

I took measurements using my phone and a simple angle app in my garage after driving home from an alignment, and they were within 0.1* at all four corners. Close enough for me :D

It's also close enough for me to check very so often to make sure nothing has slipped, and takes no time at all.

mav1178 09-29-2014 03:06 PM

One way of "fixing" a floor that isn't flat is to use these:

http://www.bbxracing.com/

You can measure the stand locations and offset them just enough to get a "flat" floor for the car to be set on.

I've been drooling over these since 10 years ago or so when I first saw the top ALMS teams using these at the track. They set up the jig to compensate for a non-flat paddock.

-alex

wparsons 09-29-2014 03:41 PM

*drooool* I would love a set of those, but there's no way I can justify the costs!

I could pay for like 15 proper alignments before breaking even.


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