#61  
Old 12-15-2019, 01:08 PM
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Quote:
Originally Posted by SD455DJ View Post

The original RA air cleaner base may have slight 'bumps' for the Holley carb fuel bowls??? They aren't as pronounced as the '70 GTO RA bases and are hard to discern...

Dennis
Bumps are very slight.
Take some lacquer thinner to the circled area to see if you can find the stamped date code.
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Old 12-15-2019, 04:27 PM
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Originally Posted by Tellyshavilli View Post
Graduations Dan and Dennis great car ,I have a 1972 Trans Am with a firestone wide oval 72 dated tire in the trunk F-60-15 . I wonder if they were offered on the Trans Am in 72 for the first year or they started in 73?
Interesting! I spoke with a guy at MCACN this year who bought his '72 Trans Am new in April 1972 and he still owns it today. He said it was delivered with Firestore Wide Ovals.

  #63  
Old 12-16-2019, 07:41 AM
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Originally Posted by unruhjonny View Post
Dennis, I have pictures that I can dig up;
does that base have mounting studs for the engine mounted alignment tabs?
Jonny, Yes it does have the studs on the bottoms of the snorkels that attach to the engine brackets.

Dennis

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Old 12-16-2019, 07:43 AM
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Originally Posted by Shiny View Post
Messy thread in the Street section trying to determine if Morse still sells these silent chains.

Not to divert, but would you mind posting photos of any markings on this original chain? Is "Morse" stamped anywhere?

Same question regarding the crank sprocket. Is it obvious what it was made from (cast iron or steel)? Any way to tell if it was hardened?

Your car is awesome and a wealth of info. Thanks for sharing and congrats on finding it.

Tnx
Shiny, No the chain didn't have any marks/stamps what so ever, not was the cam sprocket blue from heat treating. It is probably a Chinese Cloyes knock-off.

Dennis
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  #65  
Old 12-16-2019, 07:46 AM
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Quote:
Originally Posted by Tellyshavilli View Post
Graduations Dan and Dennis great car ,I have a 1972 Trans Am with a firestone wide oval 72 dated tire in the trunk F-60-15 . I wonder if they were offered on the Trans Am in 72 for the first year or they started in 73?
Thank Matt! That I didn't know, but I imagine Firestone wanted some of the 60 series tire business that Goodyear had sole possession of for a couple years. I just never seen any before the 73 production year personally, but I learn something new every day still in the Pontiac world.

Dennis

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Old 12-16-2019, 07:47 AM
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Originally Posted by Rocky Rotella View Post
Interesting! I spoke with a guy at MCACN this year who bought his '72 Trans Am new in April 1972 and he still owns it today. He said it was delivered with Firestore Wide Ovals.
Rocky, Was that the guy that had 2 - '72 TA's there in both colors?

Dennis

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Old 12-16-2019, 10:35 AM
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Originally Posted by SD455DJ View Post
...It is probably a Chinese Cloyes knock-off.

Dennis
Exactly! LOL

You made my day.

But thank you for looking. The Morse-stamped chains must have dominated the early aftermarket replacements.

My first Pontiac o'caca was the nylon gear time-bomb...around 1980 in our 70 Tempest. I'm amazed yours still had one semi-intact.

  #68  
Old 12-16-2019, 11:43 AM
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Originally Posted by SD455DJ View Post
Rocky, Was that the guy that had 2 - '72 TA's there in both colors?

Dennis
No, it wasn't that guy, but while my dad and I were standing there watching you guys judge those cars, he was too, and we started visiting.

His car was built very late in the strike-shortened 1972 model year and he said it was originally equipped with Firestone tires.

Consequently, my dad's car was built only a few days ahead of his, and per vintage photos the original owner showed to my dad, it was originally equipped with Goodyear tires.

  #69  
Old 12-16-2019, 12:45 PM
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Originally Posted by SD455DJ View Post
Jonny, Yes it does have the studs on the bottoms of the snorkels that attach to the engine brackets.

Dennis
then right there, I wouldn't question this aircleaner;
IIRC that feature is what makes air cleaners manufactured for the 1970 model year unique.

Rocky's recent book shows how the RAIV was intended to be a year long option, but only after several delays was the "GTO" L67 ok'd for Firebird use;
This all plays into my personal theory as to why some 1971 (455HO) aircleaners got the studs - I believe they were manufactured with the intent of being used on RAIV Formulas - then none having been build, they were used up on 1971 cars.

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Old 12-16-2019, 03:10 PM
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My late built 72 TA has UDDL on the build sheet. I used to work for Goodyear from 79-93 and I'm not 100% sure but I thought I remembered UDDL being printed on the tread of some of their tires. Anyone else remember that? Curious if all 72 Formula 455 and TA build sheets have UDDL. Does anyone else have their build sheets?

Dave

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Old 12-16-2019, 03:21 PM
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Firestone Wide Oval spare in a 1972 T/A:


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  #72  
Old 12-16-2019, 09:54 PM
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Here is a Norwood and Van Nuys UPC code on build sheet - PM7
(looks like for the white letter tire)


Norwood:



VanNuys:





Written different than Norwwod, hard to read the UPC code though.

And the code for the VanNuys tires looks like JDDL?






Found some Formula with 15" tires, they were black wall I think.
Different codes for them. (of course)


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  #73  
Old 12-16-2019, 11:26 PM
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Originally Posted by johnta1 View Post
Here is a Norwood and Van Nuys UPC code on build sheet - PM7
(looks like for the white letter tire)

Written different than Norwwod, hard to read the UPC code though.

And the code for the VanNuys tires looks like JDDL?





Since you mentioned Van Nuys, I assume you're including '71's? No 'F' Body for 1972 model year in Van Nuys.

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Old 12-16-2019, 11:40 PM
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Quote:
Originally Posted by 77 Canamman View Post
Firestone Wide Oval spare in a 1972 T/A:

NICE!!
According to the 1972 Firebird Assembly Manual, F60-15's were available from both Goodyear and Firestone. They had even assigned GM part numbers to them.
All the different size and type 14" tires were available from Firestone, Goodrich, Goodyear, Uniroyal and General. These all had GM part numbers also.
If you have the Assemble Manual, see page 10B-1 "Tire & Tire Placard Usage Chart".
However, the date on this page is pre-production at 2-1-1971, so changes MAY have been made by the beginning of '72 production.

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Old 12-17-2019, 01:32 AM
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Seems like the tire talk would make for its own thread


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Old 12-17-2019, 01:33 AM
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Quote:
Originally Posted by SD455DJ View Post
Jonny, Yes it does have the studs on the bottoms of the snorkels that attach to the engine brackets.



Dennis


Im assuming the brackets were still attached? Would love to seem some pics of that


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Old 12-17-2019, 07:45 AM
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Im assuming the brackets were still attached? Would love to seem some pics of that


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FAB, Yes, both brackets are still there. Here is a pic of the passenger side smaller bracket and the engine shot shows both, especially the longer driver side bracket. It sure is a pita to remove the air cleaner and is understandable they were discarded early in a RA car's life...but so cool this car still has them!

Dennis
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  #78  
Old 12-17-2019, 07:47 AM
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Thanks Canamman77, Transamric, & Johnta1 for the tire clarifications for the Formulas and TA's.

Dennis

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Old 12-17-2019, 07:59 AM
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Dan moved the Formula from the front garage into the shop under its own power since it first arrived (couldn't get it started to move it out of the hauler and pushed it 200' into the garage!). We are glad it wouldn't start as it needed so much work to the engine and cooling system it could have made needing a more invasive teardown right off the bat. Dan is going through the brakes and electrical right now and he is discovering all the brake components are factory originals...albeit worn, but original. The rubber brake hoses actually look really good, but the rotors and drums need to be turned as the original linings were worn down to the rivits and backers. The front bearings will be checked and repacked as the dust caps look like they have never been removed!

Correction on the secondary side of the carb...it has an 'N' hanger with DA metering rods (0.440" M tips).

Dennis
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  #80  
Old 12-17-2019, 08:50 AM
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Quote:
Since you mentioned Van Nuys, I assume you're including '71's? No 'F' Body for 1972 model year in Van Nuys.


You are correct. The sheet is very dirty (pic from PY?) and it was saved as 72. Can't see the actual year on VIN. But it is probably 1971.
Sorry for that.
(have changed the file name on my computer)



Formula is looking good BTW.


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