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-   -   Adjustable spring plates install (http://forums.pelicanparts.com/porsche-911-technical-forum/323574-adjustable-spring-plates-install.html)

mmasse 01-07-2007 07:26 AM

Adjustable spring plates install
 
I am about to install factory adjustable spring plate on my 76.

What should be the initial setup for the adjusters?

What I mean is, when I installed the non-adjustable ones, I just measured the angle before disassembly and try match when assembling, but I don't know how to set the adjusters in order to ensure that I have appropriate heigth adjustment when I am done.

Thansk in advance for your help

trak ratt 01-07-2007 07:37 AM

Set the adjusters in the middle position and install at same angle as old ones. The adjustment is for “fine tuning” so are used for final ride height/alignment/corner balancing.

dfink 01-07-2007 07:38 AM

Opinions may vary. I set mine with the adjuster neutral so I could go up or down as needed.

Gunter 01-07-2007 09:24 AM

In the middle like others have said.
Inspect the T-bars, use grease on both ends of the splines, they are marked L & R, make sure you understand the principle behind the 40/44 splines for indexing.
Use antiseize lube for the nuts/bolts.

Joe Bob 01-07-2007 09:31 AM

Good time to upgrade bushings and consider bigger t-bars....

mmasse 01-07-2007 10:29 AM

Thanks for the inputs.
Mikez, I already upgraded the T bars (30mm) and I am installing elephant Racing Poly Bronce bushing...look forward to drive when finish.
Thanks

mmasse 01-14-2007 05:28 AM

Now, my rear end will be completed.

30mm Torsion Bars
Adjustable spring plates
Elephant racing PolyBronce bushings.

Look forward to test it

Here is a pic of the spring plate about to be install.

http://forums.pelicanparts.com/uploa...1168784919.jpg

Gunter 01-14-2007 07:10 AM

Looks nice, Mario.
For the bolts, use antiseize grease for the torque. (M16 = 177 ft-lbs.)
If washers are used, flat washer goes on first, then lock washer.
Set the shorter torque-plate in the middle (Eccenter lobe on bolt at 3 o'clock) so that the eccentric bolt can be adjusted up or down for the final height-setting/corner balancing.
Stock '76 axles are pretty small to take that kind of power.
What size/type CV's and axles are you using?

mmasse 01-14-2007 08:47 AM

I have stock CVs/axles.
I am in the middel of a tranny rebuild doing all the reommeded improvements to hadle the power (e.g 1 piece retaining plate, reinforced side cover, assymetrical 1ast with beefed up guide and slider...and oil tranny cooling with internal spray bar)

What axles CVs would you suggest?
Thanks

Gunter 01-14-2007 10:41 AM

Porsche upgraded the CV's/axles to a bigger size in 1985, about one year into the Carrera 3.2 for obvious reasons.
I don't believe the larger flanges from '85-'86 can be bolted on an earlier 915. In 1987, the G-50 came in changing the set-up again.
I would start a new thread and find out what others have done to get stronger CV's/axles on a mid-year 915.
Stock CV's in '76 were designed for about 175HP, you can see that they are not really for a 3.6 liter with 280+HP.
Also, '76 had stock 15" wheels. If you have bigger wheels, it'll add to the torque exerted on the CV's/axles.


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