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97481 Posts in 11715 Topics by 4581 Members
Latest Member: Cooper48
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2671  Model Specific Discussions / Trans-Am Camaros / Re: Scattershields on: May 08, 2011, 01:43:36 AM
The Ansen version...

2672  Model Specific Discussions / Trans-Am Camaros / Re: Engine photos on: May 08, 2011, 12:20:37 AM
Thanks, Bruce. Hey Chad, would it be possible for you to post the Firebird SCCA paperwork you have? I've never seen it before and would love to see more.

Here's a photo of Craig Fisher's 302 engine in his '67 Gorries "Black Panther" Z-28. This was taken during tech inspection for Sebring, late March 1967.
At Daytona in early February, the car had the power brake booster and the cowl plenum duct to the firewall but as you can see they have already been
removed and modified for Sebring.


Photo by Craig Fisher
2673  Model Specific Discussions / Trans-Am Camaros / Re: General talk about Trans-Am cars, parts, whatever... on: May 08, 2011, 12:09:52 AM
Chad, those are terrific photos of the Pontiac cross ram. The comparison with the Camaro piece is great as well. I sure do appreciate you posting them and I'm sure others do as well.
2674  Model Specific Discussions / Trans-Am Camaros / General talk about Trans-Am cars, parts, whatever... on: May 06, 2011, 01:12:34 PM
I saw this unusual part on ebay, item # 280667970525, and wondered if Mike (Cuda48) or anybody else had further information about it.
Here's the description...

For auction is a brand new, never used plate with the part numbers of Edelbrock STR-15TQ and also CHRY-369-0652.   According to a tech at Edelbrock whom I e-mailed for information, this is a cross ram intake for 383 low deck Chryslers,  originally designed for trans-am racing.      Please do your homework before bidding if you are not familiar with this item,  because I don't know much about this type of thing....and can only give the above information I've listed.   Please see the pictures for reference-- the entire part is approximately sized 18 x 13 x 1 --   and weighs 6 lbs 6.8 oz.






 
2675  Model Specific Discussions / Trans-Am Camaros / Re: 302 Chevy engine building articles [late '60 - early '70s] on: May 06, 2011, 01:01:59 PM
From the '69 Crane Cams catalog...



2676  Model Specific Discussions / Trans-Am Camaros / Re: 1966-1972 Trans-Am race memorabilia [dash plaques, patches, passes, etc] on: May 06, 2011, 10:21:55 AM
Original newspaper announcing the 1968 Daytona 24 hour race, which included the Trans-Am cars that year.

2677  Model Specific Discussions / Trans-Am Camaros / Re: 302 Chevy engine building articles [late '60 - early '70s] on: May 06, 2011, 10:03:46 AM
There were many companies and shops that ported heads back in the day. Some may not know it
but Crane Cams offered fully competitive ported heads directly from their catalog. These were called
"Super Port Flow" heads and were also known as "Fireball" heads. They featured round exhaust ports
like most professional porting shops were doing back then. I have an original set of these Crane heads
I'm using on my '67 race car.

These pages are from the '67 Crane Cams catalog.





2678  Model Specific Discussions / Trans-Am Camaros / Re: Interview with Gary Morgan, Trans-Am racer on: May 05, 2011, 09:06:16 PM
Here's a cross ram air cleaner base fabricated by Gary's dad and some original cross ram air filters.







2679  Model Specific Discussions / Trans-Am Camaros / Re: Scattershields on: May 05, 2011, 08:57:08 PM
1967 Lakewood ad for Camaro. Oddly, the photo is not a Camaro scattershield. Looks like one for a Chevy II/Nova.

2680  Model Specific Discussions / Trans-Am Camaros / Re: Wheels used on Trans-Am Camaros on: May 05, 2011, 08:51:49 PM
I did not have any luck finding a Trans-Am Camaro with Cragars on it but here are a couple of photos of Ron Grable's
Dart, which did use them. Also, the Bob Barker '67 Mustang used them.



2681  Model Specific Discussions / Trans-Am Camaros / Re: Street weight vs racing weight on: May 05, 2011, 05:45:47 PM
I guess you could say some people/teams scrutinized the rule book a little more carefully than others.  Cheesy
2682  Model Specific Discussions / Trans-Am Camaros / Re: Engine photos on: May 05, 2011, 05:42:35 PM
Hey Bruce, thanks for posting the photo of the Titus engine. I'm kind of curious how the TG team was able to use that manifold and carburetor set-up. Was that something Pontiac had homologated on the proper SCCA forms or did the tech inspectors "look the other way" for that particular race? I assume they wanted to run this for a top-end boost and see how it performed against the Boss 302, which was also biased more toward top-end power rather than mid-range. Have you spoken with Dave Billes about this set-up?
2683  Model Specific Discussions / Trans-Am Camaros / Re: Street weight vs racing weight on: May 05, 2011, 11:04:33 AM
The weight of a street Z is going to vary depending on year and options. A guess for a '69 street Z would be around 3150-3200lbs.  In the SCCA rule book, the minimum weight for the 1968 racing year for all pony cars was set at 2800lbs, less fuel and driver. For the 1969 racing year, it was bumped up to a minimum weight of 2900lbs, less fuel and driver. For the years 1970-1972, the minimum legal weight was changed to 3200lbs with fuel or 3400lbs with fuel and driver. The 1967 racing year did not give a specific minimum weight but was supposed to be 350lbs less than the "homologated" weight. The homologated weight is what the factory told the SCCA what a typical Camaro (or Mustang, Cougar, etc...) weighed in stock form. Of course, they were not required to prove what that weight was so they all lied and came up with lighter than typical weights. A '67 car could have and probably would have raced under the 2800lb minimum established for the '68 season. The establishment of a standard minimum weight for all Trans-Am cars came as a result of what happened the previous year. Does that answer your question?
2684  Model Specific Discussions / Trans-Am Camaros / Re: Rear axle on: May 04, 2011, 10:53:15 AM
Chevrolet Engineering was well aware of the limits of their rear axle spring perches in performance applications.
Below is the Engineering Service Letter which shows what they recommended as a fix. Always use u-bolts to
help keep the axle firmly attached to the spring, preferably two per side on a race car. Increasing the diameter
of the u-bolts is a good idea too.





2685  Model Specific Discussions / Trans-Am Camaros / Re: Recommended Reading on: May 04, 2011, 07:21:15 AM
Mike,  Dan has got it finished and has submitted it to the editor so that part's done. Barring unforseen circumstances, it should be out at the time he indicated. Dan's got a passion for the cars and their history. I'm sure it will be well done and I am looking forward to it.
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