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Forum: 70-73 Firebird & TA TECH 10-22-2023, 12:28 PM
Replies: 7
Views: 1,119
Posted By giles
Firebird? Not quite, other models and other tests...

Firebird? Not quite, other models and other tests absolutely. As a test engineer for Buick in the 80s I ran what was called the “windrow gravel test” on a pre-production ‘86 Grand National. The...
Forum: 70-73 Firebird & TA TECH 10-20-2023, 04:15 PM
Replies: 7
Views: 1,119
Posted By Keith Seymore
Not with a 'bird, but with a pickup truck: I...

Not with a 'bird, but with a pickup truck:

I designed the engine air induction system for the GMT800 series trucks, to be introduced in the 1999 model year.

Water ingestion testing is, by...
Forum: 70-73 Firebird & TA TECH 10-20-2023, 03:15 PM
Replies: 7
Views: 1,119
Posted By thepontiacman
Would you do this to your Firebird? GM Did

Watched a Fisher Body "The Bodybuilders" General Motors 1970s Auto Assembly Line Film 44164 on YouTube.

Interesting to...
Forum: 70-73 Firebird & TA TECH 05-14-2023, 08:49 PM
Replies: 18
Views: 953
Posted By johnta1
Not sure of that? The buildsheets I have for...

Not sure of that?

The buildsheets I have for the Formulas without RA hoods have RO air cleaners. Don't know what the numbers for it are though. It justs shows 'RO'.
(why I said it probably was a...
Forum: 70-73 Firebird & TA TECH 05-14-2023, 06:11 PM
Replies: 18
Views: 953
Posted By Singleton
I believe that the 6485988 (RM) is the same as...

I believe that the 6485988 (RM) is the same as the 6486116 (RO), except the RO has the hole for the carburetor vent, (California carb). Both are non Ram Air dual snorkel. My understanding is the...
Forum: 70-73 Firebird & TA TECH 05-14-2023, 04:00 PM
Replies: 18
Views: 953
Posted By Singleton
According those numbers, my Norwood formula...

According those numbers, my Norwood formula should have a 6485988, but has a RO 6486116 on it, (see my pics in previous post above).
Guess it’s possible that my air cleaner has been switched, ...
Forum: 70-73 Firebird & TA TECH 05-01-2023, 08:18 AM
Replies: 14
Views: 1,200
Posted By Norwood
A previous post by Ric explains how to tell if...

A previous post by Ric explains how to tell if your car came with full size or space saver.
Another quick way to tell which type spare tire/wheel a '70-73 Firebird had, (assuming an original...
Forum: 70-73 Firebird & TA TECH 04-22-2023, 03:49 PM
Replies: 46
Views: 4,157
Posted By unruhjonny
I dug out one of my valance brackets I cut off my...

I dug out one of my valance brackets I cut off my original fenders (the other one is tacked onto a later fender that I used on my car for a several years).
Forum: 70-73 Firebird & TA TECH 04-22-2023, 03:33 PM
Replies: 46
Views: 4,157
Posted By Transamric
Here's another vote that the fender in question...

Here's another vote that the fender in question is a service replacement Firebird part for 1970 and 1972 applications. The square holes in front of each hood hinge bolt location is the dead giveaway.
Forum: 70-73 Firebird & TA TECH 04-22-2023, 03:11 PM
Replies: 46
Views: 4,157
Posted By unruhjonny
ok. After reviewing what I found, that...

ok.

After reviewing what I found, that second picture (if I am seeing it correct) looks to be a pre-1973 fender.

Hopefully this works:
(images have to be smaller, or they are scaled down by...
Forum: 70-73 Firebird & TA TECH 04-22-2023, 10:42 AM
Replies: 46
Views: 4,157
Posted By unruhjonny
i cannot tell from any of those pictures. ...

i cannot tell from any of those pictures.

The very first thing to look at is the front lower edge - look for the presence (or absence) of the valance attaching bracket - it’s at the bottom,...
Forum: 70-73 Firebird & TA TECH 04-22-2023, 12:45 AM
Replies: 46
Views: 4,157
Posted By Ramairnacho
1970 fender

My originals are straight but drivers has some rust bubbles I figure have it cut out and just same arrangement replaced from a donor. I drove 3 hours to buy this one.its rust free and possible donor....
Forum: 70-73 Firebird & TA TECH 04-21-2023, 11:33 PM
Replies: 46
Views: 4,157
Posted By Baron Von Zeppelin
Unfortunately , you took pictures of the wrong...

Unfortunately , you took pictures of the wrong areas

Need pictures of front lower section where the front valance would attach.
That will be specific to 70-73 ,,,, due to small brackets...
Forum: 70-73 Firebird & TA TECH 04-21-2023, 10:49 PM
Replies: 46
Views: 4,157
Posted By Formulabruce
Bottom front of fender can tell a lot because...

Bottom front of fender can tell a lot because 70-73 are unique . As OPH said , and I have owned many and still have a few, there was a lot of SR fenders banged out in the 80s before they went disco...
Forum: 70-73 Firebird & TA TECH 04-21-2023, 04:50 PM
Replies: 46
Views: 4,157
Posted By 'ol Pinion head
Carl, in your 2nd pic, there is a round hole that...

Carl, in your 2nd pic, there is a round hole that you can see your hand, that should not be there for a 70-72 fender.

In the 3rd pic, looks like sunlight coming through a square hole in the rail...
Forum: 70-73 Firebird & TA TECH 02-09-2023, 11:05 AM
Replies: 31
Views: 1,849
Posted By Keith Seymore
One other observation is that we know that the...

One other observation is that we know that the letters correspond to the varying weeks - but we really don't know what that means in terms of production.

Was that start of body build? When the...
Forum: 70-73 Firebird & TA TECH 02-09-2023, 10:56 AM
Replies: 31
Views: 1,849
Posted By Keith Seymore
No way of knowing now; scheduled overtime would...

No way of knowing now; scheduled overtime would vary based on the immediate economy or production needs. Back then I would guess the Pontiac plant was running 6 days, two or three production...
Forum: 70-73 Firebird & TA TECH 02-08-2023, 06:05 PM
Replies: 30
Views: 1,784
Posted By Baron Von Zeppelin
Palomino = Its pretty much straight up with...

Palomino =
Its pretty much straight up with what pictures show.
Pwr Str, Pwr Brks, Deluxe Int, Deluxe Belts, Console, 14" R2's, then small trinkets
I think the Formula St Wheel is the only add on...
Forum: 70-73 Firebird & TA TECH 02-08-2023, 01:58 PM
Replies: 40
Views: 4,533
Posted By napster
Carl, I got your PM. Thanks. Your car is fifth...

Carl,
I got your PM. Thanks. Your car is fifth car I know of that was sold by the family dealership. 1970 Grand Prix, 1968 Firebird, 1969 GTO, 1973 Grand Am and your car.

This is something I...
Forum: 70-73 Firebird & TA TECH 02-03-2023, 07:29 PM
Replies: 40
Views: 4,533
Posted By unruhjonny
I have a PHS from another 70 Formula in my files,...

I have a PHS from another 70 Formula in my files, it is a 15" rally wheel car;
The line item for the 15" wheel/tire combo has a code TNL.

EDIT:
I just looked at other PHS sheets I have saved;
I...
Forum: THE LOBBY 01-24-2023, 11:13 PM
Replies: 15
Views: 894
Posted By salem1912
Welcome gald you are posting, CPU fellow Pa'er ...

Welcome gald you are posting, CPU fellow Pa'er
Had a Formula 400 in H.S.
Forum: THE LOBBY 01-24-2023, 10:59 PM
Replies: 15
Views: 894
Posted By Baron Von Zeppelin
According to Jonny's observations - you are...

According to Jonny's observations - you are likely correct about originally a YS engine.
The L78 was the base 400 code YS with 13 heads
The L74 was the Ram3 400 code YZ with 12 heads

If you...
Forum: THE LOBBY 01-24-2023, 10:09 PM
Replies: 15
Views: 894
Posted By keith k
Welcome- Cool car and history!

Welcome-
Cool car and history!
Forum: THE LOBBY 01-24-2023, 11:56 AM
Replies: 15
Views: 894
Posted By Baron Von Zeppelin
New Old Stock was a good definition. I thought...

New Old Stock was a good definition.
I thought it was going to be an old member with a new name.
Welcome to the future of our past.
:welcome:
Forum: THE LOBBY 01-23-2023, 11:32 PM
Replies: 15
Views: 894
Posted By 77 TRASHCAN
Welcome back!!! Back in the bad old days, when...

Welcome back!!!
Back in the bad old days, when I was married. Someone offered me nearly nothing for my TA. REALLY made the evil woman MAD!!!

I'm still collecting parts. I have too many engine...
Showing results 1 to 25 of 30
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