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-   -   Here we go again! Zuffenhaus MS RSR project... (http://forums.pelicanparts.com/porsche-911-technical-forum/379658-here-we-go-again-zuffenhaus-ms-rsr-project.html)

pksystems 10-01-2015 02:51 AM

Pretty sure you could have given CNC'd parts a very light sandblast (I use crushed glass) and they would have looked almost identicle to cast aluminum.

Anyway... looks awesome.

Crown 10-08-2015 02:49 AM

Looking good Keith, on to the next challenge!

eimkeith 10-08-2015 04:13 AM

Quick update: I installed a pair of these on my '72 for a 6300 mile round trip to Rennsport Reunion (including a track day), and there were no surprises with the covers.
I'll be changing the ride height (I raised the car for the trip) by accessing the bars through the end caps to re index them in the next few weeks (lots to catch up on here at the shop) and will report back as to how that goes also.


keith.

(sent from my rotary dial phone.)

lateapex911 10-14-2015 12:27 AM

And there's no thread about your journey!?!

911 tweaks 10-14-2015 09:43 AM

+1 what jake said... we need the whole story & any back story there keith...!!!
P L E A S E................................ )))

lateapex911 10-15-2015 02:57 AM

I mean, 6200 miles in a 72 across the country. Something HAD to happen. Heck if NOTHING happened, it would be a story!

wayner 10-15-2015 03:45 AM

Yes, story please. With my 73 I can't even seem to make it out of the province without something major failing...

eimkeith 10-17-2015 12:20 AM

Ha! Thanks guys, I'll see what I can do.

In the meantime, I'm thinking about the seating for this project..


keith.

(sent from my rotary dial phone.)

Racerbvd 10-17-2015 07:46 AM

Quote:

Originally Posted by ajserrano (Post 8798879)
Very nice Keith, what are you planning to do about bearings? I actually have four castings of these pieces floating around since 2004? BTW, I believe my machinist took measurements of the original RSR parts I had and I was supposed to look for the correct bearings, never did. I may have to follow through with that eventually...

Great job, no less from pictures. Wow!

Here you go!

http://forums.pelicanparts.com/uploa...1442522688.jpg

http://forums.pelicanparts.com/uploa...1442522737.jpg

http://forums.pelicanparts.com/uploa...1442522757.jpg

http://forums.pelicanparts.com/uploa...1442522783.jpg

http://forums.pelicanparts.com/uploa...1442522808.jpg

http://forums.pelicanparts.com/uploa...1442522846.jpg

http://forums.pelicanparts.com/uploa...1442522884.jpg

;)

Just curious, how much would am original set like these cost, how much for the new version?

sladey 10-18-2015 12:21 PM

Subscribed - fantastic work

wayner 10-26-2015 05:20 PM

Quote:

Originally Posted by eimkeith (Post 8673038)
EDIT - here's the finished catch bottle mounting:

http://images.tapatalk-cdn.com/15/06...ba6a65c7da.jpg

And here's our reference car:
https://m.flickr.com/#/photos/gtch1/10145734965/

keith.

(sent from my rotary dial phone.)

Great work!

BTW, where can I get a tire down strap like that?

group911@aol.co 10-26-2015 06:40 PM

My 84 Rabbit had one like it.
Quote:

Originally Posted by wayner (Post 8852386)
Great work!

BTW, where can I get a tire down strap like that?


Crown 11-03-2015 11:32 AM

Hi Keith,
Have you got some updates to share?

eimkeith 11-09-2015 12:39 PM

OK, just convinced Tapatalk that I do indeed have a log in, so I can post again... Phew.

I'll read through what I've missed, but to quickly update; after I got back from Rennsport I had to do two quick Celette jobs for cash flow (got an opportunity to pull a race car we built a while back!) and administrative odds and ends which cut into build time.

But we're still moving forward - I've been working on the seat issue in the background.


keith.

(sent from my rotary dial phone.)

eimkeith 11-09-2015 12:58 PM

The Mary Stuart ran a driver's side Lollipop in 1973 (!) - so that's what we're going to do also.

I've been looking at the currently available versions in the aftermarket, and in most situations there's a detail or two that I'd like to address, so we worked out a way to do that:

http://images.tapatalk-cdn.com/15/11...5389a3e79b.jpg

More on that later!

Also, one of the remaining late 911 aspects of this car is the tunnel. For the G Chassis, Porsche changed the seat mounting arrangement and omitted a sloping panel on the inside of the tunnel that was part of the seat adjustment mechanism.

There are also depressions on the sides of the tunnel behind the parking brake lever that aren't something you'd find in a '73 and aren't of any benefit to this build, so they're going away and the early sloes panels are being added.

Additionally, the RS/RSRs all seemed to run minimal, lightweight seat mounts with the race buckets, so we'll need those also.

However, the old ones that I was fortunate enough to see in photographs, and the new reproductions that are available maintain stock or very close to stock seat heights. After driving with stock seat heights for 2 weeks (including track time), I think the seat is mounted too high - certainly not low enough for my sense of comfort in a caged car - so we're doing something about that:

http://images.tapatalk-cdn.com/15/11...c900e220c0.jpg
(Front mount/cross rail pictured)

We should be able to drop the seat 30mm and keep the lightweight historic seat mount appearance thusly.

AND, since this is a dual-purpose car, open megaphones aren't going to work, although they'd be accurate. We need to provide a modicum of heat and defrost, and avoid bleeding eardrums, so I'm working on that also. I'm thinking the RSR rally muffler (with removable caps) is going to be the way to go here - correct outlet positioning, correct era part, etc. More on that front as it develops!





keith.

(sent from my rotary dial phone.)

eimkeith 11-09-2015 01:04 PM

Quote:

Originally Posted by lateapex911 (Post 8835259)
And there's no thread about your journey!?!



Quote:

Originally Posted by 911 tweaks (Post 8835833)
+1 what jake said... we need the whole story & any back story there keith...!!!
P L E A S E................................ )))



Quote:

Originally Posted by lateapex911 (Post 8836933)
I mean, 6200 miles in a 72 across the country. Something HAD to happen. Heck if NOTHING happened, it would be a story!



Quote:

Originally Posted by wayner (Post 8836963)
Yes, story please. With my 73 I can't even seem to make it out of the province without something major failing...


I did actually sit down and write a short essay about my trip - and our local PCA is running it in the club newsletter in 3 installments, so I can only share the first part at the moment; but if you want to check that out, I've put it up on our blog here:

http://www.eurowerks.us/WordPress/

Hopefully it is 1/100th as entertaining as the trip was!


keith.

(sent from my rotary dial phone.)

sladey 11-09-2015 11:31 PM

Quote:

Originally Posted by eimkeith (Post 8870705)

AND, since this is a dual-purpose car, open megaphones aren't going to work, although they'd be accurate. We need to provide a modicum of heat and defrost, and avoid bleeding eardrums, so I'm working on that also. I'm thinking the RSR rally muffler (with removable caps) is going to be the way to go here - correct outlet positioning, correct era part, etc. More on that front as it develops!

keith.

(sent from my rotary dial phone.)

Hi Keith

Re the muffler you might want to look at Mike Moore's amazing martini build over on DDK (if you've got a spare day!)

DDK - Die Deutschen Klassiker • View topic - My new project.........

He did a separate thread about the muffler

DDK - Die Deutschen Klassiker • View topic - RSR exhaust box

I know he had some extra mufflers manufactured but I think they may have all been sold

this allowed him to adjust the route of the exhaust gasses by means of a hidden flap and small bolt. I was thinking the same thing could be achieved with a servo - thereby allowing you to change the exhaust from within the cabin.

Cheers

Sladey

eimkeith 11-09-2015 11:54 PM

Thanks! Will spend some time with that.


keith.

(sent from my rotary dial phone.)

sladey 11-10-2015 12:34 AM

If you haven't seen it before it's an amazing build and takes OCD to another level

wayner 11-11-2015 05:25 AM

Quote:

Originally Posted by wayner (Post 8852386)
Great work!

BTW, where can I get a tire down strap like that?

I think I just answered my own question. Aparently the washer bottle is held by that strap when in its normal location as a washer bottle. I didn't know.

I guess thats one of the pitfalls of buying a 73 race car in boxes :-)

Sory for the interruption. Carry on ;)


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