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3091  Model Specific Discussions / Trans-Am Camaros / Re: Allowed/Required Modifications for 1967 TransAm Cars on: March 12, 2011, 12:11:43 AM
Thanks for the link, Rick. Some things of interest there. Obviously, a lot has been learned in the
course of 40 years since the heyday of Trans-Am, plus some things back then were just not allowed.
3092  Model Specific Discussions / Trans-Am Camaros / Re: Racing shock absorbers on: March 11, 2011, 06:37:15 PM
Mike,

Robert sent me these photos to post. The first is of the car right after it was built and was featured in a Sports Car Graphic article where Paul van Valkenburgh drove it on the street and to the grocery store.



These other two shots are of the LH side of the rear suspension. Not sure why the angle iron is welded to the frame next to where the horizontal shocks mount. The bolt-on bracket on the axle would maybe be for a panhard rod. It doesn't look like anything has been bolted to it in a long time, if ever.





There will be more posted on this car but it might be better to put it all into a different thread.
3093  Model Specific Discussions / Trans-Am Camaros / Re: Allowed/Required Modifications for 1967 TransAm Cars on: March 10, 2011, 10:06:49 PM
Thanks, Rick. Great to have you join in. I hope we can someday figure out whose car your block belongs to.

As for the rules for Trans-Am, the http://www.sovren.org/ website used to have them posted for 1967 and 1969 but I looked today and they're no longer there. I believe I have all the GCRs (General Competition Rules) for SCCA Trans-Am from 1967 to 1972 but it will take me a while to get them all posted. Maybe if somebody out there has certain years scanned, they can post them more quickly than I can.
3094  Model Specific Discussions / Trans-Am Camaros / Re: Original T/A racing photographs, late 60's & early 70's on: March 10, 2011, 02:26:32 PM
Pace lap of the 1969 Mid-Ohio Trans-Am.

http://www.flickr.com/photos/cedarkayak/4419066167/sizes/o/in/photostream/]

Some photos from the 1967 Kent, WA Trans-Am, Pacific Raceways

http://www.flickr.com/photos/leicabokeh/sets/72157600168574114/with/483253081/
3095  Model Specific Discussions / Trans-Am Camaros / Re: Original T/A racing photographs, late 60's & early 70's on: March 09, 2011, 11:20:42 PM
Sam Posey's '68 Penske Camaro. Sam was Mark's teammate for the middle part of the '68 season.
This is the same car that Donohue drove at Daytona earlier that year. Currently owned by Don Lee.

3096  Model Specific Discussions / Trans-Am Camaros / Re: Original T/A racing photographs, late 60's & early 70's on: March 09, 2011, 11:04:59 PM
Daytona 300 Trans-Am, February 3, 1967. Mark Donohue's first race in a Camaro.


Photo by Craig Fisher
3097  Model Specific Discussions / Trans-Am Camaros / Re: Racing shock absorbers on: March 09, 2011, 06:00:06 PM
Mike,

Here's a couple of pictures of the double horizontal shocks on a car that Dick Guldstrand built for Gerry Gregory for the '69 Trans-Am season. These are obviously in an unrestored state, as-found condition. They are the Hi-Tork shocks, so maybe Gary Wheeler had some direct involvement with Dick Guldstrand on this.

Have any of you out there seen another Trans-Am Camaro with a shock set-up like this? I haven't. It would be nice to know if there were any others.



3098  Model Specific Discussions / Trans-Am Camaros / Re: Harrison Oil Coolers Used on Early Trans-Am Camaros on: March 09, 2011, 02:11:13 PM
Chad,

I have seen several of these 3157804 Harrisons that went in one end and out the other but I had assumed they had been modified by an owner. Like you, I had read the comment in "How to Hot Rod..." about how these were not adequate without making them a cross-flow design but my race car ran in Trans-Am with the 3157804 with the inlet and outlet on the same end and they never had a problem. I have seen a picture of the Bud Moore Cougars with these same Harrisons mounted in them. It would be interesting if we could figure out if Harrison did make a factory modification to them.
3099  Model Specific Discussions / Trans-Am Camaros / Re: Firebird and the Trans-Am series on: March 08, 2011, 11:13:47 PM
As Bruce said, in '68 they used the Chevy engine in the Firebird because of the Canadian loophole, but in '69 things took an even stranger turn. Even though Pontiac had worked up a 303 to fit within the rules, Titus used the '68 grille, hood and side gills on the '69 body to have a sort of hybrid that would allow him to keep using the Chevy in case the 303 did not work and/or was uncompetitive. It didn't work out initially and so he stuck with the Chevy engine and the mutated body style. For 1970, SCCA told them that they had enough of the phony baloney and they needed to run a Pontiac mill in the Pontiac body so that's what they did. They did not have a successful season and in fact Jerry Titus lost his life in a crash at Road America in the middle of the year. His team was working so many long hours trying to make the car competitive that it is believed a part in the steering was not tightened properly and Titus crashed straight into a bridge abutment (which led spectators to the inside of the track). I remember seeing the long skid marks on the track from his crash until 1974, after which we moved out to California.

Pontiac engines have large main bearing diameters which made bearing speeds higher than other engines they had to compete against. I think this was a big problem for them but when SCCA allowed dry sump oiling for the 1971 season, that help Pontiac a lot. Roger Penske was the one who lobbied hard for the dry sump because the AMC engines he was running were also having oiling issues. Roger wisely claimed it was a safety issue, which it technically was if an engine blew and dumped oil in front of a pack of cars come up from behind.

Jerry Titus at the 1969 Riverside Trans-Am

Car Craft magazine photo
3100  Model Specific Discussions / Trans-Am Camaros / Re: Firebird and the Trans-Am series on: March 08, 2011, 04:28:28 PM
Kurt,

I'm going to see if Bruce (Bruce302) will answer this for you. He's extremely well versed on the subject. His race car started life as a '68 Camaro but was converted by Jerry Titus and T/G Racing into a Firebird. It has a lot of very unique and special pieces on it. There were several "Firebirds" in Trans-Am that started life as Camaros. I'll let him know about your post.
3101  Model Specific Discussions / Trans-Am Camaros / Re: Recommended Reading on: March 07, 2011, 04:42:03 PM
Another good one... but get the other two first.

3102  Model Specific Discussions / Trans-Am Camaros / Re: Recommended Reading on: March 07, 2011, 04:36:46 PM
This one is another "must-have" as far as I'm concerned. Available at
www.pvanvalkenburgh.com now that he has had it republished. Great
stuff on Camaro in here & also for all Chevy racing activities from the
1957 racing ban up to 1972.

3103  Model Specific Discussions / Trans-Am Camaros / Re: 1966-1972 Trans-Am race memorabilia [dash plaques, patches, passes, etc] on: March 07, 2011, 04:33:53 PM
Driver wristbands given to me by Craig Fisher. He didn't recall which race these came from.

3104  Model Specific Discussions / Trans-Am Camaros / Re: 1966-1972 Trans-Am race memorabilia [dash plaques, patches, passes, etc] on: March 07, 2011, 04:32:04 PM
Official dash plaques from the 1967 & 1968 Riverside Trans-Am races.

3105  Model Specific Discussions / Trans-Am Camaros / Re: 1966-1972 Trans-Am race memorabilia [dash plaques, patches, passes, etc] on: March 07, 2011, 04:30:48 PM
1968 Sebring. The pony cars were part of the 12-hour race this year unlike
1966 & 1967 when the Trans-Am race was it's own separate event. To clarify,
the 1968 Sebring race was an official part of the Trans-Am but the T/A cars
had their own class within that race. The cars carried "T+" stickers affixed
to their sides.



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