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dezzmo's Avatar
 
Join Date: Feb 2005
Location: Rhode Island
Posts: 243
Alignment Specs for a 73 911

I dropped my car off at a local shop yesterday for an alignment and when I returned today the owner told me his specs for Porsche's date back as far as 1976.

Is there much of a difference from 73 to 76 and up? My wheels are 15x6 Fuchs with 205-55-15 tires and the suspension "appears" to be original.

I can't seem to think that there would be much of a difference between these years.

Is there?

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EarlyS 1017
RGruppe 663
73 911T 3.2
01 Ducati S4 Monster 00 Ducati 996
Old 10-17-2006, 01:26 PM
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Join Date: Aug 2002
Location: Galivants Ferry, SC
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Jeepers...no one's going to answer this poor guy?

Lessee..from the pocket spec/tech books...which I have going back to 74 (arghhh)...the alignment specs were the same for 74 and 76/77.

I recall the previous ( late 60's to early 70's) long hood cars having a smidge less caster..something like 5.5 degrees instead of 6-6.5 for the later cars. Less cater promotes easier steering effort but less straight-ahead self-centering.

Keep in mind that the "official" factory specs for the cars, especially for US market...were not ideal nor "as intended" by Porsche, as they were set up with higher than normal ride heights and such for bumper height and headlight height laws in the USA. Some of the early cars even had a metal "doughnut" attached over the top of the shock to raise the car but getting the shock into the proper operating range. Many people today would remove the doughnut ( if so equipped originally)...and revert to the Euro settings.

A search here will show a variety of mild to aggressive settings that would suit you based upon your driving needs and style.

- Wil
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Wil Ferch
85 Carrera ( gone, but not forgotten )
Old 10-20-2006, 05:21 PM
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Will, your the best!

thanks for not leaving me out in the cold. I even did a search on this subject but nothing really came up.

But for the heck of it, I opened up my Haynes Manual yesterday and in the first page of Chapter 6 (Rear Suspension and Driveshafts) there it was, for 1972/73 models - Camber -1 +/- 10' Toe-In 0 to 20' each wheel.

So I wonder why it changed after 73? Oh well, I'm gonna keep this info that you gave me and pass it along when I go back to the shop next week.

Thanks for your help my friend
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EarlyS 1017
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73 911T 3.2
01 Ducati S4 Monster 00 Ducati 996
Old 10-21-2006, 02:41 PM
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Look here for additional suggestions that go beyond factory settings...

What are your suggestions for alignment settings?

..oh.... disregard the apparent emotional bantor of that thread...and focus more on the numerical facts and figures..

- Wil

Old 10-21-2006, 03:26 PM
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