germaneighter
Jun 7 2006, 09:52 AM
Does anyone have detailed instructions for doing an "at home" driveway alignment? (with pictures would be nice)
Rear Shims are no problem. I can get some laser cut in different thicknesses.
(Local independent Porsche shop estimates $400 for a proper alignment.)
Rand
Jun 7 2006, 10:34 AM
Some info...
link1link2I would think a well written how-to with photos would make an automatic classic thread.
Joe Ricard
Jun 7 2006, 10:46 AM
Crap I just did one on my car Monday evening.
From rear shims to Front camber caster
front and rear toe.
I get gun shy posting pics of my Red Neck procedures as it is surely not up to the standards some here are accustomed to.
But the results are hardly questionable. goes straight turns in quickly and heats the tires evenly across the face.
John Se
Jun 7 2006, 11:03 AM
You need the book "prepare to win" by caroll smith
just need some strings or long bars to create a parrallelogram (sic?) arount the car and measure it up
germaneighter
Jun 7 2006, 01:16 PM
QUOTE(Rand @ Jun 7 2006, 08:34 AM)
Some info...
link1link2I would think a well written how-to with photos would make an automatic classic thread.
Great...thanks very much.
dave
john rogers
Jun 7 2006, 01:44 PM
I have an article on the Pelican site and it has conversions for fractions of an inch to degrees camber and toe in/out for 15 inch wheels included.
Joe Ricard
Jun 7 2006, 02:10 PM
Rand
Jun 7 2006, 02:16 PM
Link? Guess I can go search later, but if you have it that would be nice.
KenH
Jun 7 2006, 04:57 PM
Read these. You can make "strings" with conduit and attach to the car by the license plate screws. You can buy a caster/camber tool off ebay. You wil spend a lot less and have a set-up you can use again. Email me if you want more info.
Ken
http://www.smartracingproducts.com/pdfdocs...mber_manual.pdfhttp://www.smartracingproducts.com/pdfdocs...ings_manual.pdfOh - turnplates can be 2 sections of slippery masonite placed "face-to-face"
germaneighter
Jun 8 2006, 12:57 PM
Is toe measured from the wheel or the tire?
It seems 1/8" total toe in at the front of the tire would be slightly less at the front of the rim.
Joe Ricard
Jun 8 2006, 01:09 PM
RIM
Because John's figures are off of a 15" circle.
I would try 1/16" toe in on each wheel for a total of 1/8" toe in.
I did 1/32 toe out the other day and it's not quite enough as the car kinda wanders. More toe out will give me quicker turn in low speed cone dodging.
KenH
Jun 8 2006, 01:09 PM
Porsche specifies Toe in "degrees". Measure from the rim. You will have to calculate degrees as it depends on the "measured" diameter of the rim.
Ken
Joe Ricard
Jun 8 2006, 01:23 PM
Yup degrees is good BUT John makes it easier
Toe measurement 1/16 inch or 0.0625 inch = Toe angle 8.95251minutes
Toe measurement 1/8 inch or 0.125 inch = Toe angle 17.9051 minutes
Toe measurement 3/16 inch or 0.1875 inch = Toe angle 26.8578 minutes
Toe measurement ¼ inch or 0.25 inch = Toe angle 35.8106 minutes
Toe measurement 5/16 inch or 0.3125 inch = Toe angle 44.7638 minutes
Toe measurement 3/8 inch or 0.375 inch = Toe angle 53.7172 minutes
Toe measurement 7/16 inch or 0.4375 inch = Toe angle 1.04452 degrees
Toe measurement ½ inch or 0.5 inch = Toe angle 1.19375 degrees
Toe measurement 9/16 inch or 0.5625 inch = Toe angle 1.343 degrees
Toe measurement 5/8 inch or 0.625 inch = Toe angle 1.49225 degrees
Toe measurement 11/16 inch or 0.6875 inch = Toe angle 1.64152 degrees
Toe measurement ¾ inch or 0.75 inch = Toe angle 1.79079 degrees
Toe measurement 13/16 inch or 0.8125 inch = Toe angle 1.94008 degrees
Toe measurement 7/8 inch or 0.875 inch = Toe angle 2.08938 degrees
Toe measurement 15/16 inch or 0.9375 inch = Toe angle 2.23869 degrees
Toe measurement 1 inch = Toe angle 2.38802 degrees
germaneighter
Jun 9 2006, 03:55 PM
Can use a magnetic angle finder mounted directly to the strut body to set caster?
germaneighter
Jun 9 2006, 10:34 PM
I meant that as a question....Can I use a magnetic angle finder mounted directly to the strut body to set caster?
nbscooters
Jun 10 2006, 12:45 AM
if you use the string method, you would need at least 3 people when you adjust the front; one to hold the steering wheel inside the car, one to adjust the tow underneath the car, and one to tell you the measurements from the wheel to the string.
i align 911's for post races.
Mr.C
Jun 10 2006, 12:58 AM
QUOTE(germaneighter @ Jun 9 2006, 09:34 PM)
I meant that as a question....Can I use a magnetic angle finder mounted directly to the strut body to set caster?
I was wondering the same exact thing.
john rogers
Jun 10 2006, 07:37 AM
Yes. My rule of thumb is to set the top strut mount as far back as possible for the street, for stability. Set it forward for faster turn in or less camber. If you read the fine print in the article, it is for initial steup or in case of a off at the races and should not be used in place of a professional shop alignment for long term use.
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