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Old 05-23-2024, 11:38 AM
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Default 1970 T/A upgrades

I have had several upgrades done to my 1970 T/A. Before all the purists go bonkers on me, I saved all of the original parts. The car has 37,000 original miles with a NOM engine.

First, I had to have some body work done that I suspected was a problem when I bought the car. The original windshield was removed and it was not damaged along with the antenna. Both were reinstalled with no problems. You will see the area in question in the picture of the lower right corner of the cowl. It was fixed and the windshield was reinstalled with no problems.

Here is a list of the other items upgraded:
Upper and lower tubular control arms
QA1 coil overs up front (single adjustment)
QA1 Shocks in the rear – single adjusted
Bigger BMR front & rear sway bars
Changed front rotors with slotted & cross drilled rotors and new brake pads
Installed braided stainless steel brake lines
Changed intake manifold with a real deal RAIV intake. Reproduction wouldn’t up (way off) and caused vacuum leaks. Estimate 10 HP picked up from relieving bottleneck.
Valve train upgraded with Comp cam Evolution lifters – This removed the noise I had before.
New valve covers from Butler Performance
New March serpentine belt system
Griffin radiator and electric fans from Derale – Two 17’ fans that pull 4,800CFM
LED headlights

Previous upgrades:
Stroker kit for engine
T-56 transmission
Subframe connectors
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Last edited by napster; 05-23-2024 at 12:12 PM.
  #2  
Old 05-23-2024, 11:38 AM
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Last edited by napster; 05-23-2024 at 12:31 PM.
  #3  
Old 05-23-2024, 01:07 PM
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Default Nice work.

Very nice work. Good upgrades for performance and stopping power.
Just one question. What is that Curley Q thing holding that heater hose?
Lol

Very nice over-all.

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  #4  
Old 05-23-2024, 01:19 PM
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It replaces the ugly hose brace from the factory.

  #5  
Old 05-23-2024, 08:24 PM
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Did you turn the heads into " cathedral " intakes as the RA 4 has when you put on the intake? Or you running ra 4 heads?

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  #6  
Old 05-24-2024, 01:04 PM
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Quote:
Originally Posted by Formulabruce View Post
Did you turn the heads into " cathedral " intakes as the RA 4 has when you put on the intake? Or you running ra 4 heads?
Take a look at post#2 second picture. You will see a 614 head.

  #7  
Old 05-24-2024, 01:41 PM
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Default upper dash

What product did you use to repaint your upper dash or did you not?
Just wondering cause there is an on-going debate on what product looks like
the original matte finish.

You taken the car to the strip? Any time slips?

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White/Blue 71 455 HO T/A Auto
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White/Sandalwood 71 455 HO T/A 4 Sp
White/Black 70 RAIII T/A M21/373 (stripper)
Carousel Red/Black 69 GTO Judge 4 Sp
2002 Firehawk Red/Black 6Sp

Last edited by skunkwerks; 05-24-2024 at 01:53 PM.
  #8  
Old 05-26-2024, 01:28 AM
Baron Von Zeppelin Baron Von Zeppelin is offline
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I like the balanced look of the March set up on left and right .
Engine should be fun to drive
Good brakes and good headlights shouldn't hurt.

My 70 is going to get the 614 upgrade , and probably a non-stock color change with stripe delete.
Maybe a 4+1 Nash and 3.07 gears
You aren't hurting my feelings .

  #9  
Old 05-27-2024, 12:44 PM
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R 70 Judge R 70 Judge is offline
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Cool upgrades! How did you manage to get two 17” fans crammed in there? I have the Derale 16826 fan/shroud kit on my TA (which work great) and they are only 12” fans. Any pictures?

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  #10  
Old 05-28-2024, 12:50 PM
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Quote:
Originally Posted by skunkwerks View Post
What product did you use to repaint your upper dash or did you not?
Just wondering cause there is an on-going debate on what product looks like
the original matte finish.

You taken the car to the strip? Any time slips?
You are not going to like what I tell you about the dash paint, but here it goes.

The first paint tried was the Ditzler paint from their chart posted by John T/A. The paint didn't match, so 3 other paints were sampled out and they turned out to be off and shiny. Here is where the Boo Hiss starts, a lot of time was spent on this single issue and Lucerne Blue was put on and applied flat. To myself and people at the shop we are in agreement it works. I know this will P.O. some people, but I'm fine with it and spending crazy money on it was not going to happen. The picture of the final product is in the first post, picture #5.

With regard to the track and time slips, I don't race.


Last edited by napster; 05-28-2024 at 01:26 PM.
  #11  
Old 05-28-2024, 12:55 PM
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Quote:
Originally Posted by Baron Von Zeppelin View Post
I like the balanced look of the March set up on left and right .
Engine should be fun to drive
Good brakes and good headlights shouldn't hurt.

My 70 is going to get the 614 upgrade , and probably a non-stock color change with stripe delete.
Maybe a 4+1 Nash and 3.07 gears
You aren't hurting my feelings .
Baron,

Thanks for the comment. The car was a hoot to drive before the upgrades. I'll post something once I get the car back. The engine was estimated to put out 460 HP before the upgrades, but the is expected extra power of 10 to 15 HP from the better intake and electric fans.

  #12  
Old 05-28-2024, 01:09 PM
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Quote:
Originally Posted by R 70 Judge View Post
Cool upgrades! How did you manage to get two 17” fans crammed in there? I have the Derale 16826 fan/shroud kit on my TA (which work great) and they are only 12” fans. Any pictures?
R 70 Judge,

Thanks. My mechanic installed a Griffin radiator for a GTO in the '70 T/A along with the fans. Modifications were necessary for both items and I will provide pictures and a video for your consumption. These upgrades were necessary in my eyes since I will be moving to Florida and I want to give this car the best chance it can have to survive the heat.

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  #13  
Old 05-29-2024, 01:54 PM
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Quote:
Originally Posted by napster View Post
You are not going to like what I tell you about the dash paint, but here it goes.

The first paint tried was the Ditzler paint from their chart posted by John T/A. The paint didn't match, so 3 other paints were sampled out and they turned out to be off and shiny. Here is where the Boo Hiss starts, a lot of time was spent on this single issue and Lucerne Blue was put on and applied flat. To myself and people at the shop we are in agreement it works. I know this will P.O. some people, but I'm fine with it and spending crazy money on it was not going to happen. The picture of the final product is in the first post, picture #5.

With regard to the track and time slips, I don't race.
Thanks for the update. Where did you get the Ditzler mixed up?
Local or from TCP global. Has to be the correct lacquer with shellack Beattle additive for the correct dull look. Just wondering what you used as it looks fine to me in the picture.
Thanks

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  #14  
Old 05-29-2024, 09:26 PM
eaglesan13 eaglesan13 is offline
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A friend had a 4+1 in his 70 Formula. Good trans, but the noisiest manual trans I ever heard. It made a rock crusher seem quiet.

Quote:
Originally Posted by Baron Von Zeppelin View Post
Maybe a 4+1 Nash

  #15  
Old 05-30-2024, 01:25 PM
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Quote:
Originally Posted by skunkwerks View Post
Thanks for the update. Where did you get the Ditzler mixed up?
Local or from TCP global. Has to be the correct lacquer with shellack Beattle additive for the correct dull look. Just wondering what you used as it looks fine to me in the picture.
Thanks
The paint is a local custom mix. It is called GM Bright Blue Poly PPG/Ditzler Brand 2213. It is based on the exterior color Lucerne Blue Code WA4069 and it is mixed without any sheen. Hope this helps.

I know here comes the "Boo Hiss". To me it looks good and finally got the job done. It was holding up many other items that needed attention. I expect to get the car back sometime next week. I'll do some kind of video to show the final product and the other upgrades in the engine bay and underneath.

https://paintref.com/cgi-bin/paintdetail.cgi?ppg=2213


Last edited by napster; 05-30-2024 at 02:23 PM.
  #16  
Old 05-30-2024, 02:17 PM
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VCho455 VCho455 is offline
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Quote:
Originally Posted by eaglesan13 View Post
A friend had a 4+1 in his 70 Formula. Good trans, but the noisiest manual trans I ever heard. It made a rock crusher seem quiet.
It might have been the non-synchro dog box version. I've had both versions of the 4+1 and the dog box is definitely noisy.

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  #17  
Old 06-03-2024, 08:50 AM
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R 70 Judge,

Here is the fan setup on the car-

https://www.summitracing.com/parts/d...QaAihNEALw_wcB

Also, the alternator is a 130 amp example which was part of the March system.

Further, had to change the carb. The one on the car and was used for the dyno in 2016 turns out to be a Holley 780cfm vacuum secondary carb. My mechanic could not tune it the way he wanted since the car was running way too rich. Looks like the new carb will be a Quick Fuel 750 cfm double pumper. Might get a few more ponies out of it.

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