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Old 05-20-2022, 09:27 PM
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Default Help identifying gauges

I’m a bit confused with my gauge cluster in my 1970 Trans Am and I’m hoping some of the experts can help me identify what I have/what I need. My goal is to have the correct appearing gauges, engine turned dash, and chrome bezels for 1970.

Please correct me if I’m wrong, but I think I have the correct tachometer, wrong speedometer (obviously not 160), correct oil/water gauge, and correct voltage gauge. I’m missing the fuel gauge. I’m guessing the engine turned dash is 74-76?

Just to add my car is non-A/C. Are the heater controls original?

Any input is appreciated
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  #2  
Old 05-20-2022, 09:41 PM
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Few more
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1970 Trans Am

Spotts Built 484" IA2, Highports, EFI Northwind
Terminator X sequential EFI fabrication and suspension by
https://www.funkhouserracecars.com/
  #3  
Old 05-21-2022, 02:22 AM
FASTASSBIRD FASTASSBIRD is offline
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Bezel is for sure wrong as it has radial tuned suspension badge. Speedo for sure is wrong l, should be 160 AND only have a brake light. Heater control unit looks correct. 70/71 use de-ice, not defrost like 72 and up

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Old 05-21-2022, 01:02 PM
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Default 1970 Trans Am, original GM gauges

The speedometer and fuel gauge you need look like these 2:
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Old 05-21-2022, 06:27 PM
Ramairnacho Ramairnacho is offline
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Default 1970 speedo cluster

The 1970 rpm guage is 1 wire only they used 2 wire I believe up to 74. I have 2 or 3 of each. The 250 psi max oil guage was used up to 1973 so that's correct. The 1970 had a black flower knob but if you have a 2 wire yack knob thread different as I learned from another thread. The speedo is to be a 160 mph with seat belt warning at bottom. The fuel has orange under 1/4 tank marks and is 1 year only too. This is my hobby but I like guages alot so always learning. I believe there is a post where someone installed dogital.guages that look the same. I believe mechanics is digital. I'm working but when I get home I'll send you pics of my collection and a 1970 bezel isn't cheap. I seen one at a friend's garage in Sacramento CA about 9 months ago. I have a 1970 formula 400 ra3 and it had warning lights only not goodso im.upgrading along with tilt steering.

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Old 05-21-2022, 07:33 PM
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Quote:
Originally Posted by Ramairnacho View Post
. The speedo is to be a 160 mph with seat belt warning at bottom.
The second warning light under the speedo did not Start to appear until Dec of 1971 for the new Calendar year DOT laws. Any 1970 bird does NOT have the seatbelt warning.
Just trying to keep history correct..

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Old 05-22-2022, 11:38 AM
Ramairnacho Ramairnacho is offline
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Default Guages

I tried sending pics last night it didn't let me I'll try again today

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Old 05-22-2022, 12:16 PM
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Quote:
Originally Posted by Formulabruce View Post
The second warning light under the speedo did not Start to appear until Dec of 1971 for the new Calendar year DOT laws. Any 1970 bird does NOT have the seatbelt warning.
Just trying to keep history correct..
Agree!

And I believe the two wire tach started in '72. The '72 has an entirely different wire harness compared to '70-'71.

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Old 05-22-2022, 04:15 PM
Ramairnacho Ramairnacho is offline
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Default Guages

I'm at work and have a baby I will try My best to help you. I bought 2 correct ralley sets one I had to drive 3 hours for the fuel guage. I'm not bragging for one. But also built as a boy a rally set from parts I found at local wrecking yard not easy either. I have I believe 1 or 8 later 8 grand tacks. I'm not sure if you running stock points still not sure if anyone is but if you are the stock tac will work but not sure if it works on patronix or hei. Another thing is if you still have stock transmission and its accurate with later speedo then that needs to be recalibrate. Yeah I been dormant for 25 years built 5 dIly driver formulas with used parts not date coded and its a lot less stress than this high $ correct stuff. But now adays you can not find a $250 roller any more. I'll try again tonight

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Old 05-22-2022, 06:07 PM
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Quote:
Originally Posted by Formulabruce View Post
The second warning light under the speedo did not Start to appear until Dec of 1971 for the new Calendar year DOT laws. Any 1970 bird does NOT have the seatbelt warning.
Just trying to keep history correct..
Can confirm my 70 does not have the seat belt warning light.

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Old 05-23-2022, 12:53 AM
Ramairnacho Ramairnacho is offline
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Default Rally 1970 guages

Ok this is correct factory guages. The tqc is a 1 wire that I believe only works on points not on hei or payroll but I might be wrong I need to find out. The fuel is a 1 year only with orange under 1/4 tank. Honestly if you have a 2 wire put the hei and it should be fine, . Like said before speedo had brake only. Temp only 250
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Old 05-23-2022, 07:07 AM
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Quote:
Originally Posted by Ramairnacho View Post
Ok this is correct factory guages. The tqc is a 1 wire that I believe only works on points not on hei or payroll but I might be wrong I need to find out. The fuel is a 1 year only with orange under 1/4 tank. Honestly if you have a 2 wire put the hei and it should be fine, . Like said before speedo had brake only. Temp only 250
Nice find and it even has the original clock knob!

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Old 05-23-2022, 08:51 AM
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Thanks .sending I'm future to recdine gusgrs to get cleaned and overhauled plus calibrated


Last edited by Ramairnacho; 05-23-2022 at 08:56 AM.
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Old 05-23-2022, 09:05 AM
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Quote:
Originally Posted by Ramairnacho View Post
Ok this is correct factory guages. The tqc is a 1 wire that I believe only works on points not on hei or payroll but I might be wrong I need to find out. The fuel is a 1 year only with orange under 1/4 tank. Honestly if you have a 2 wire put the hei and it should be fine, . Like said before speedo had brake only. Temp only 250
My gages are 1970 one wire deal and I have used HEI with it for years-works perfect and pretty accurate compared to FI hand held.

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Old 05-23-2022, 10:58 AM
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Thanks wasn't sure if it did. My original plan was hei but now decided to run a patronix system hope it works for that as well.

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Old 05-23-2022, 02:36 PM
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Quote:
Originally Posted by Ramairnacho View Post
Thanks wasn't sure if it did. My original plan was hei but now decided to run a patronix system hope it works for that as well.

I converted my dist to a DUI HEI before I found this: https://progressionignition.com/

I bought the HEI version which I'll be using on the new motor. Looks pretty slick. If it works as described and is reliable should be great.

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Old 05-23-2022, 04:29 PM
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Quote:
Originally Posted by jhein View Post
I converted my dist to a DUI HEI before I found this: https://progressionignition.com/

I bought the HEI version which I'll be using on the new motor. Looks pretty slick. If it works as described and is reliable should be great.
WOW !!! very cool. Reliability ??

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1978 Black & Gold T/A [complete 70 Ram Air III (carb to pan) PQ and 12 bolt], fully loaded, deluxe, WS6, T-Top car - 1972 Formula 455HO Ram Air numbers matching Julep Green - 1971 T/A 455, 320 CFM Eheads, RP cam, Doug's headers, Fuel injection, TKX 5 Spd. 12 Bolt 3.73, 4 wheel disc. All A/C cars
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Old 05-23-2022, 04:35 PM
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WOW !!! very cool. Reliability ??
I can't comment on reliability yet since I don't even have it in the car running. But, other members here are running them. Do a search on it. Also a general internet search will reveal lots of other people running them with seemingly good feedback.

I just think the ability to customize your timing curve like that is fantastic.

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70 TA, 467 cid IAII, Edelbrock D-port heads, 9.94:1, Butler HR 236/242 @ .050, 520/540 lift, 112 LSA, Ray Klemm calibrated Q-jet, TKX (2.87 1st/.81 OD), 3.31 rear

https://youtube.com/shorts/gG15nb4FWeo?feature=share
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Old 05-23-2022, 05:22 PM
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Originally Posted by jhein View Post
I can't comment on reliability yet since I don't even have it in the car running. But, other members here are running them. Do a search on it. Also a general internet search will reveal lots of other people running them with seemingly good feedback.

I just think the ability to customize your timing curve like that is fantastic.
Fantastic ??? I think maybe the best thing since sliced bread ! Lol

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Old 05-23-2022, 05:27 PM
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Fantastic ??? I think maybe the best thing since sliced bread ! Lol

I do have a tendency towards understatement...

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