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Old 11-09-2023, 08:54 PM
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Default 79 Trans Am resto

picked this 79 up earlier this year. I didn't get to it until recently, but now I'm making some headway.

It's a super solid car, numbers matching 403 auto car. Bought new in CT, spent some time in MA before making its way back to CT. Now I have it, and it's back in MA. I bought it in a million pieces, and roughly assembled it in the guys driveway to take it home. After sitting in the corner for a while, I got to work.

So far I've stripped the body, repaired the passenger lower quarter, and sprayed it BC/CC black. Got the rebuilt 403 back in, with all new brake lines, booster and master. I'm currently buttoning up the engine now in preparation for its first start and camshaft break in.

I'll be updating this thread as I go along.
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"Those poor souls have made the fatal mistake of surrounding us. Now we can fire in any direction"

1970 Trans Am RAIII 4 speed
1971 Trans Am 5.3 LM7
1977 Trans Am W72 Y82
1987 Grand National
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  #2  
Old 11-09-2023, 08:56 PM
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Default

More pics
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"Those poor souls have made the fatal mistake of surrounding us. Now we can fire in any direction"

1970 Trans Am RAIII 4 speed
1971 Trans Am 5.3 LM7
1977 Trans Am W72 Y82
1987 Grand National
  #3  
Old 11-09-2023, 08:59 PM
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Pics 2
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"Those poor souls have made the fatal mistake of surrounding us. Now we can fire in any direction"

1970 Trans Am RAIII 4 speed
1971 Trans Am 5.3 LM7
1977 Trans Am W72 Y82
1987 Grand National
  #4  
Old 11-09-2023, 11:44 PM
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Wow great work...

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previously on Dawson's Creek:

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  #5  
Old 11-10-2023, 09:54 AM
Trevor78 Trevor78 is offline
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Was that the water neck that came in the 79?

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Old 11-10-2023, 11:43 AM
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Quote:
Originally Posted by kingbuzzo View Post
Wow great work...
Thank you!

Quote:
Originally Posted by Trevor78 View Post
Was that the water neck that came in the 79?
Yes sir. It's original to the car.

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"Those poor souls have made the fatal mistake of surrounding us. Now we can fire in any direction"

1970 Trans Am RAIII 4 speed
1971 Trans Am 5.3 LM7
1977 Trans Am W72 Y82
1987 Grand National
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Old 11-10-2023, 05:42 PM
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Got the trans installed today. The lift was tied up, so I got to do it old-school on the floor with a jack. Went in pretty easily though. Also ran more hoses and wiring in the engine bay.

Does anyone know how the throttle return spring is supposed to go on this setup? Just glancing at it, I don't see where to hook it up.
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"Those poor souls have made the fatal mistake of surrounding us. Now we can fire in any direction"

1970 Trans Am RAIII 4 speed
1971 Trans Am 5.3 LM7
1977 Trans Am W72 Y82
1987 Grand National
  #8  
Old 11-10-2023, 07:48 PM
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Return springs run from the idle-solenoid bracket hole, just out of shot, to that small tab with hole on the linkage.

http://forums.maxperformanceinc.com/...7&d=1699577937

Firebird 403 carb spring EGR quadrajet by Ben, on Flickr

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Old 11-10-2023, 08:31 PM
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Cool, thank you!

Since mine is a heat only setup, should I have the idle solenoid on my carb? I thought they were only on ac setups?

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"Those poor souls have made the fatal mistake of surrounding us. Now we can fire in any direction"

1970 Trans Am RAIII 4 speed
1971 Trans Am 5.3 LM7
1977 Trans Am W72 Y82
1987 Grand National
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Old 11-11-2023, 04:14 PM
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Chipping away. Got the driveshaft, speedo cable, vacuum modulator, battery cables, and tranny lines installed. The car has power running through it for the first time since 2007.

Now it's time to track down little electrical gremlins, like the turn signals not working, and the headlights not coming on. Oddly enough, the wipers and horn work, which is usually what I fight with to get working lol

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"Those poor souls have made the fatal mistake of surrounding us. Now we can fire in any direction"

1970 Trans Am RAIII 4 speed
1971 Trans Am 5.3 LM7
1977 Trans Am W72 Y82
1987 Grand National
  #11  
Old 11-15-2023, 01:32 PM
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Fighting with the pulley alignment. The ps pump needs to go back about 1/4" to line up with the second rib on the wp pulley. There's really no adjustment, and the ps pulley is pressed on all the way, so this should be fun to figure out.
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"Those poor souls have made the fatal mistake of surrounding us. Now we can fire in any direction"

1970 Trans Am RAIII 4 speed
1971 Trans Am 5.3 LM7
1977 Trans Am W72 Y82
1987 Grand National
  #12  
Old 11-15-2023, 01:40 PM
Trevor78 Trevor78 is offline
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Has that combination of pulleys, brackets and water pump been together before?

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Old 11-15-2023, 05:45 PM
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Quote:
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Has that combination of pulleys, brackets and water pump been together before?
No idea, it was all in boxes when I got it. The crank pulley seems to be for a 77 and down Olds, but it lines up with the first 2 grooves on the water pump pulley after I spaced out the WP pulley for chits and giggles. I can get everything to line up with the WP pulley spaced out.

I wish I knew for sure what is throwing it off. The PS assembly looks right from the links provided and viewing the service manual. The alternator seems to be in the right place with the brackets set up correctly.

Idk. I don't mind spacing out the WP pulley if I have to, but it's not correct.

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"Those poor souls have made the fatal mistake of surrounding us. Now we can fire in any direction"

1970 Trans Am RAIII 4 speed
1971 Trans Am 5.3 LM7
1977 Trans Am W72 Y82
1987 Grand National
  #14  
Old 11-15-2023, 06:03 PM
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Was your T/A from Rudy Pontiac in Norwalk, CT? My family owed the dealership.

Jim

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Old 11-15-2023, 06:52 PM
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Quote:
Originally Posted by napster View Post
Was your T/A from Rudy Pontiac in Norwalk, CT? My family owed the dealership.

Jim
It came from Wile Motors in Willimantic CT.

The options were:



403 with Th400 trans
Hood decal
Body side moldings
White letter tires
Additional insulation
Front & rear floor mats
RH vanity mirror
Drip rails
Power windows
Super cooling radiator
Am/Fm cassette radio
Snowflake wheels 7"
Delay wipers


Not loaded up, but not totally stripped either. Oddly enough it has no rear defrost.

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"Those poor souls have made the fatal mistake of surrounding us. Now we can fire in any direction"

1970 Trans Am RAIII 4 speed
1971 Trans Am 5.3 LM7
1977 Trans Am W72 Y82
1987 Grand National
  #16  
Old 11-16-2023, 04:57 PM
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Well, the first start was a failure. Started pissing out coolant from the back of the intake manifold. So rather then fighting with that while trying to break in a camshaft, I'll be pulling the intake and resealing it.

Figures, I buttoned up the engine bay today. Got the radiator in, hoses, belts, fluids etc etc.

Oh well :/
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"Those poor souls have made the fatal mistake of surrounding us. Now we can fire in any direction"

1970 Trans Am RAIII 4 speed
1971 Trans Am 5.3 LM7
1977 Trans Am W72 Y82
1987 Grand National
  #17  
Old 11-17-2023, 12:53 PM
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Yessir, that was the leak. Rear passenger side coolant passage was leaking like a sieve.

Oh well, at least it's not too big a deal to fix.
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"Those poor souls have made the fatal mistake of surrounding us. Now we can fire in any direction"

1970 Trans Am RAIII 4 speed
1971 Trans Am 5.3 LM7
1977 Trans Am W72 Y82
1987 Grand National
  #18  
Old 11-17-2023, 10:52 PM
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Looking good!

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1967 YS 400, 670 heads, Summit 2802 cam, long tubes, ST-10 trans. McLeod hydraulic clutch conversion.
  #19  
Old 11-18-2023, 05:13 PM
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I'm having a hell of a time getting it to fire off.

I set cylinder #1 at TDC compression, distributor rotor facing #1, wires run 18436572 counter clockwise. I have spark at the cylinders verified by a spare plug put in each wire and cranked. Tons of fuel in the carb.

I'm not getting anything. Not even a cough. Even if the distributor was 180 out I'd get a fireball out the carb.

I must have pulled and set the distributor 20 times.

Do you guys think the valve timing is off? I'm setting it with both valves closed, but I'm running out of ideas.

I'm ready to pull the front of the engine apart and verify the cam installation.

Suggestions?

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"Those poor souls have made the fatal mistake of surrounding us. Now we can fire in any direction"

1970 Trans Am RAIII 4 speed
1971 Trans Am 5.3 LM7
1977 Trans Am W72 Y82
1987 Grand National
  #20  
Old 11-18-2023, 05:45 PM
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How do you set idle/static timing?

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