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2671  Model Specific Discussions / Trans-Am Camaros / Re: Ideas to share concerning 1:18 '67-'69 GMP Penske Donohue Camaros. on: June 24, 2011, 09:43:56 AM
You're very welcome, Mike. I'm glad to be of help.

I don't recall where I heard the story but it seems that Donohue was given the wheel prior to the start of the season. Can't remember who it came from but he felt inclined to use it. You can see that they had to fabricate their own hub out of billet aluminum to mount it on the steering column so whatever it was originally meant for, it would likely be foreign. The names you suggest would be a good start. I was thinking Les Leston might be another. The slots in the spokes are shaped very much like the standard Corvette wheel of the mid-'60s however this steering wheel is not dished at all. The Nardi wheels have a slot that is much too narrow and they also have the Nardi name engraved on them. This wheel Donohue used had nothing engraved on the spokes.
2672  Model Specific Discussions / Trans-Am Camaros / Re: Tracks of the '66-'72 SCCA Trans-Am series on: June 23, 2011, 11:08:06 PM
Robert, this is what became of the original Bryar Motorsport Park.
2673  Model Specific Discussions / Trans-Am Camaros / Re: Tracks of the '66-'72 SCCA Trans-Am series on: June 23, 2011, 03:53:21 PM
Bryar  had a Trans-Am race every year during the '66-'72 timeframe. This is a track that did not favor the V-8 ponycars because of the numerous turns and the short straights. In the earlier years when over-2-liter (O-2) and under-2-liter (U-2) cars ran together during the same race, the U-2 cars were extremely competitive with the big iron at Bryar.



This aerial photograph of Bryar is flipped 180 degrees from how it is shown above.



2674  Model Specific Discussions / Trans-Am Camaros / Re: Racing seats on: June 23, 2011, 03:44:39 PM
B&B Motors also offered a fiberglass racing seat very similar to the Yenko and Bill Thomas seats but having a "tubular frame" around it.





Here is an original one of these B&B seats, with and without the cover.



2675  Model Specific Discussions / Trans-Am Camaros / Re: Stewart-Warner oil pressure sender on: June 23, 2011, 03:28:54 PM
Bill Howell just gave me this reply regarding the SW electrical oil pressure sender...

"Yes, I suspect or remember that they used an electrical oil pressure guage.  They weren't too concerned about the accuracy, only that they had pressure.  In fact I discovered by accident that Mark, and most other good drivers, were too busy to give good feedback on oil pressure, unless they happened to look at it on a straightaway.  We  [all Trans-Am teams] had many failures due to oil pressure loss (particularly the Fords) because we were forced to use the stock oil pan.  And, only with telemetry were we able to get good feedback.  As a further insight, a mechanical oil pressure line and gauge is a potential oil leak."
2676  Model Specific Discussions / Trans-Am Camaros / Re: Ideas to share concerning 1:18 '67-'69 GMP Penske Donohue Camaros. on: June 23, 2011, 01:30:57 PM
One photo of the crash at Bryar. I don't recall if this is the one from SCG or not.

2677  Model Specific Discussions / Trans-Am Camaros / Re: Jones cable drive Tachometer on: June 22, 2011, 12:39:36 PM
Terrific photo, Bruce! Thanks for sharing that one.
2678  Model Specific Discussions / Trans-Am Camaros / Re: Tracks of the '66-'72 SCCA Trans-Am series on: June 22, 2011, 12:36:55 PM
Meadowdale  was a very interesting track that the Trans-Am cars only raced on one time. That year was 1968. The track itself had some dangerous sections and there were not many safe runoff areas if a car got off the track. Also, the track surface was not always in the best shape. Neat course from a spectators standpoint but I think there were a lot of nervous drivers. The track was closed in 1969 and in the past few years has been turned into a nature preserve.



2679  Model Specific Discussions / Trans-Am Camaros / Re: Ideas to share concerning 1:18 '67-'69 GMP Penske Donohue Camaros. on: June 22, 2011, 11:06:50 AM
Notice how badly bowed the hood is at Marlboro and Continental Divide while being in the fully closed position. Special thinner-gauge front sheet metal had been stamped for Penske on a one-time basis in the GM tooling prior to the August 6th Trans-Am at Bryar. Unfortunately, Mark broke an axle twice at Bryar and crashed the car heavily, nose first, into a wood barricade trashing all the new front sheet metal. The least damaged was the hood so they kept it even though it is not up to the cosmetic standards one normally associates with Penske. When this car got damaged in the trailering accident on the way to the Modesto Trans-Am in early September, the hood finally met its demise.


Photo by Andrew Keller
2680  Model Specific Discussions / Trans-Am Camaros / Re: Ideas to share concerning 1:18 '67-'69 GMP Penske Donohue Camaros. on: June 22, 2011, 10:55:10 AM
I agree that one (or two) of those Firebird models would be neat to see. A significant amount of work but based on what I have seen so far, something you could definitely pull off.

As for the steering wheel in Donohue's Camaro at Marlboro, it definitely had the same black electrical tape wrap as see in the earlier test session. Here is a photo at Marlboro with the door open. Only the bottom section of the wood wheel is exposed. [Note the Penske Racing "crest" decal which is not on the model]


Photo by Andrew Keller

Below is a photo taken two weeks later at the Continental Divide Trans-Am in Colorado. The steering wheel is the same as at Marlboro. This happens to be the last race for this steering wheel as it broke during the race and was subsequently replaced with a Grant 3-spoke. Of note on the wood wheel is that there are alternating bands of dark and light colored wood.


2681  Model Specific Discussions / Trans-Am Camaros / Re: Tracks of the '66-'72 SCCA Trans-Am series on: June 21, 2011, 10:59:40 AM
You're welcome, Robert. I'll post many more and hope to get them all on here eventually. Thanks for some additional backstory to your driving career. I haven't been to RA since 1979 and it's different now with much more cement and catch fencing but it sure would have been nice to go back there this year since the Historic Trans-Am cars will be there in July. Just doesn't fit into this years plans unfortunately.
2682  Model Specific Discussions / Trans-Am Camaros / Re: Jones cable drive Tachometer on: June 21, 2011, 10:51:56 AM
Great news that you were able to get an interior photo and get the appropriate tach. Definitely one of the benefits of networking with fellow like-minded enthusiasts.
2683  Model Specific Discussions / Trans-Am Camaros / Re: Recommended Reading on: June 21, 2011, 10:48:41 AM
I'm not sure why I hadn't thought to suggest the issues of Competition Press & Autoweek (CP&A) and Stock Car Racing (SCR) magazine but I'm glad you did Mike. They are both great resources of information. I guess I just had books on the brain when this thread first got posted. I have collected many issues of both CP&A and SCR and am glad I did. Some issues of Riverside Raceway magazine are also very good but they don't come up too often and they don't always contain Trans-Am information. You have to be choosy. One other thing which I started to collect was National Speed Sport News as it seemed to be like CP&A but it is much more of a Nascar and circle track publication and Trans-Am pickings are very slim in there.
2684  Model Specific Discussions / Trans-Am Camaros / Re: Front sway bars on: June 21, 2011, 10:35:22 AM
Interesting, Robert. Did you see that in a vintage photo or on the car itself?
2685  Model Specific Discussions / Trans-Am Camaros / Re: Tracks of the '66-'72 SCCA Trans-Am series on: June 20, 2011, 10:28:17 PM
Laguna Seca  near Monterey, CA has been famous for many years and especially for the Historic Race Festival that takes place there every August. Only two Trans-Am races were run there for the big-bore Pony cars in the '66-'72 timeframe. That would be the August 24, 1969 race won by Mark Donohue and the April 19, 1970 race won by Parnelli Jones. Interestingly, both drivers who won at Laguna Seca also won the championship for their manufacturer that year. This track is world famous for its challenging "corkscrew" turn 6 and 6A and it also has some interesting elevation changes. The layout of the track has been changed nowadays and this was done to lure the World Superbikes there. I think the original layout was not long enough to fit World Superbike criteria.



Here's a map showing the current layout of the track.



A fast lap around Laguna Seca with Mark Donohue (1970)






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