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Join Date: Nov 2007
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It looks like you need to train that rabbit to **** in one spot!

I like the door inserts - you did an excellent job!
Old 03-09-2012, 05:06 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #61 (permalink)
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He is trained to recycle newspaper



On this pic he was only 10weeks old
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Roland

930 Turbo '81 Too many modifications to list
Old 03-10-2012, 09:06 AM
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While the car is still at the body shop, I work on parts. Because I have a lot of selfmade aluminum parts like bushes, spacers and brackets, I decided to anodized them myself. I found a while ago some information and a good source for material and forum.

Here are parts before, whithin anodizing process and after. There are more steps than shown here, but it's mainly:

Cleaning (with removing old coat if there is one)

anodizing

colouring

hardening

Here are the parts before any work, just raw aluminum:





Besides some cans with acid etc. and a steamer this is the main equipment:



Anodizing in progress:



Here is the final result:



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930 Turbo '81 Too many modifications to list
Old 04-18-2012, 01:01 PM
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Some more anodizing, went out very nice too:





Also I tried to nickel-coat (chemical, electroless). First removed old coating, which was very easy, only some caustic soda (10%) on night and the steel is clean. After you have to use two different baths, cleaning and acid cleaning until it comes into the Nibor (brand) bath with contains all the chemicals and the nickel-Boron.

Here is the result:




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Roland

930 Turbo '81 Too many modifications to list
Old 05-14-2012, 12:38 AM
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You've gone plaid with your drill : 0

I don't even recognize those parts, maybe from throttle or clutch?
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79 930: HX40S#16, MS3pro+ID1000+044+E85, Ignition: 123/TUNE/MSD6A, True split BB, 2*turbosmart38
Old 05-14-2012, 01:39 AM
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Quote:
Originally Posted by smurfbus View Post
You've gone plaid with your drill : 0

I don't even recognize those parts, maybe from throttle or clutch?
Nor...

Door lock mechanism:

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Roland

930 Turbo '81 Too many modifications to list
Old 05-14-2012, 03:49 AM
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I just ordered some Nibor thanks to you, I hope you are happy with the results
did you acid dip the spring to clean it ? I heard they will break after a short while, if put in acid.

Last edited by geolab; 05-31-2012 at 06:17 AM..
Old 05-31-2012, 06:15 AM
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Quote:
Originally Posted by geolab View Post
I just ordered some Nibor thanks to you, I hope you are happy with the results
did you acid dip the spring to clean it ? I heard they will break after a short while, if put in acid.
Yes, I am happy with results, looks really nice. What I can't tell yet is how resistant to corrosion it will be...

I stripped the zinc first in a bath with ca. 10% Natriumhydroxid (easy to get) for about 24 hrs, just look at the bath until no more bubbles will rise. Steel will be blank after, slight corrosion will be removed too. Then into 5% acid sulfur (there are better chemicals but not as easy to get) to remove rest of corrosion (if needed) for a short while, no longer as it's clean. With no rust maybe 2 minutes. this is recommended to prepare for Nibor bath.

It is very important to flush parts between the baths with a lot of water (distilled if possible) and not let them outside longer than necessary, they will start corrode immediately.

I dipped the springs the same way, but did not leave them in the Nibor bath for one hour, but 30min. The thicker the coating, the brittle it will be.

BTW. I had some parts with nickel plating too, this will not be removed by the Natriumhydroxid...
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Roland

930 Turbo '81 Too many modifications to list

Last edited by proffighter; 05-31-2012 at 11:13 PM..
Old 05-31-2012, 11:11 PM
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While I still anodizing a lot of selfmade aluminum parts, I disassembled, cleaned and regreased the steering/beam and fitted new boots.



Note: The spacers of my first anodizing try are for the steering to save some weight here too :-)
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Roland

930 Turbo '81 Too many modifications to list

Last edited by proffighter; 06-02-2012 at 10:29 AM..
Old 06-02-2012, 10:27 AM
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As I am on the way to lighten my car I made some more parts on my lathe and anodized them together with the other aluminum parts of the suspension:



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Roland

930 Turbo '81 Too many modifications to list
Old 06-10-2012, 11:36 PM
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Update finally!!!

While tube is still in work, I am multitasking since a while:

Working on suspension, brakes, fiberglass etc. A lot of parts are somewhere between start and finished.

For now I show my calipers. Media blasted (where red but ugly made) and cleaned:



And after anodizing:



Now they look like stock. I am unsure if I should make them red again. Like red calipers and it would be a nice contrast to the black center of the wheels.

Recommendations welcome
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930 Turbo '81 Too many modifications to list
Old 07-26-2012, 01:12 PM
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Black or silver. No red.
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1971 chassis, 2.7RS spec MFI engine, suspension mods, lightened

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Old 07-26-2012, 07:08 PM
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Quote:
Originally Posted by Flieger View Post
Black or silver. No red.
or yellow
Old 07-26-2012, 07:33 PM
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Update :-)

As I am working on several parts, there was not much to show. But I found some anyway

Front strut cleaned, Nuts and bushes anodized (of course), bump steer kit mounted too:



Front hub before and after anodizing, they a bit darker in real than on pics because of the aluminium alloy. I decided to let it be and not coloring as I like the look:





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930 Turbo '81 Too many modifications to list
Old 08-14-2012, 12:29 PM
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Since I mounted the WEVO engine and tranny mounts, I did not liked the golden color that much. Therefore I decided to anodize them black:



Further I worked on my Hargett shifter. The couplers are way to massive for that application and they are raw steel, oxidation will be an issue. Mine started already to show some surface rust. So I machined them a bit to reduce weight and nickelplated (homemade too) them after polishing. They look quit nice now:



Further I drilled the shaft on the front side, where no stress is to expect:

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930 Turbo '81 Too many modifications to list
Old 08-26-2012, 07:20 AM
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Guess what... ;-)

As the order from Pelicanparts is still on the way, I found something more to anodize in different color, my Tial, formerly blue:



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Roland

930 Turbo '81 Too many modifications to list
Old 09-02-2012, 11:32 AM
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Tell me your opinion

I received lot of parts from Pelican yesterday. Among other things I get Tarett sway bars. Now as you know I like to drill and machine almost everything

I am suprised, how massive the front sway bar housing for the bushes are (the red round ones), maybe 1" thick! If I compare to others like Smartracing al lot of more material there.

Therefore I thought to machine of some of the material. My thoughts are to remove the red areas on the drawing for about half the thickness. Drawing is a bit somewhat square, would make smoother edges

Please let me know your thoughts about.

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930 Turbo '81 Too many modifications to list
Old 09-05-2012, 04:18 AM
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Different, easier to do version, red machined down to half the thickness:

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930 Turbo '81 Too many modifications to list
Old 09-05-2012, 05:15 AM
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In the last version - is there clearance for the bolt head next to the center thicker part?

I would say go for it. If it breaks it is not a big deal since it is just the anti-sway bar. So in the spirit of Colin Chapman, machine it until it breaks, then get another one and machine it down just a little bit less.
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1971 chassis, 2.7RS spec MFI engine, suspension mods, lightened

Suspension by Rebel Racing, Serviced by TLG Auto, Brakes by PMB Performance
http://www.flickr.com/photos/max_911_fahrer/
Old 09-05-2012, 12:22 PM
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As I remember, some of Colin's drivers did not survived....

I tend to the second one, easier to do and a lot of beef there. I think I will remove material on the lathe down half the thickness (still 11mm thick) and reduce diameter to the middle between teflon bush and screw head/shim



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930 Turbo '81 Too many modifications to list
Old 09-05-2012, 12:39 PM
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