1970 Camaro SS L78 4spd - Team Camaro Tech
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  #1  
Old Dec 18th, 07, 10:03 PM
1968Motion427SSNova 1968Motion427SSNova is offline
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Dan
 
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Smile 1970 Camaro SS L78 4spd

Does anyone have a picture of a real 70 L78 Camaro SS tach? Did the L78 have a single 3/8 fuel line? Was Z27 stamped on cowel tag like Z28 in the 1970 Camaros? Thanks in advance,Dan
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  #2  
Old Dec 18th, 07, 11:22 PM
Rsmith1969 Rsmith1969 is offline
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Default Re: 1970 Camaro SS L78 4spd

Dont know a whole lot about 2nd Gens, But this site should have all those answers for you

http://www.nastyz28.com
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  #3  
Old Dec 19th, 07, 09:19 AM
rich pern rich pern is offline
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Default Re: 1970 Camaro SS L78 4spd

Yes, on the fuel line. L78 was on the tag! Talk about help. There is a registry at www.nastyz28.com and you can search there for pics.

They are pretty rare cars, I would love to own one.
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  #4  
Old Dec 19th, 07, 02:40 PM
CamarosRus CamarosRus is offline
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Default Re: 1970 Camaro SS L78 4spd




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69 COPO recreation (Day 2)
70 Z-28
70 L-78
70 SS R/S
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  #5  
Old Dec 19th, 07, 08:35 PM
Jeff H Jeff H is offline
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Default Re: 1970 Camaro SS L78 4spd

Look for the L78 on the trim tag and check the tach closely for a match to what Chuck posted up. What color is the car, green?
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69 Z28 Hugger Orange original factory JL8 brakes, cross-ram & GM fiberglass hood, TI setup, heater and radio delete, Stahl headers, Minilite wheels - being restored
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  #6  
Old Dec 20th, 07, 02:47 PM
Hylton Hylton is offline
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Default Re: 1970 Camaro SS L78 4spd

Can you imagine what those tachs go for on Epay?
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  #7  
Old Dec 21st, 07, 05:45 AM
1968Motion427SSNova 1968Motion427SSNova is offline
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Smile Re: 1970 Camaro SS L78 4spd

Awesome info guys thanks! I was looking at buying a 1970 Camaro body that had a BB in it many years ago.Has these old aluminum ansen slots all the way around.Look to be 15x 10 or 12's in the back and 15x8's in the front.Had a Fiberglass L-88 hood and the 3 piece rear spoiler.Needs a ton of work but extremely cheap.Has the BB headers with Dual exhaust system laying underneath the car still.Has a 8 grand tach with a 6 grand redline.He sent me a picture of the cowel tag and there was NO L78 on it.Car was originally citrus green,then went to blue,then to orange.Guy only wants $1995.00. So after posting and receiving help from you guys I realizes its not a rare L78 1970 Camaro....Dan
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  #8  
Old Dec 21st, 07, 02:00 PM
Jeff H Jeff H is offline
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Default Re: 1970 Camaro SS L78 4spd

Was the car a Norwood built car? LA cars did not get the L78 on the trim tag. 8000/6000 tach should be a Z28 setup. Have him check the gas pedal to see if it's bolted to the floor at the bottom of the pedal. The multiple repaints could mean it's anything with stuff added over time. Shoot me a picture of the trim tag if you want.
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  #9  
Old Dec 21st, 07, 07:58 PM
1968Motion427SSNova 1968Motion427SSNova is offline
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Dan
 
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Default Re: 1970 Camaro SS L78 4spd

Jeff,vin number is 124370N521196,norwood car...Thanks. Dan
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  #10  
Old Dec 23rd, 07, 10:33 PM
Z15CAM Z15CAM is offline
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Default Re: 1970 Camaro SS L78 4spd

This is my 70Z Tach: Note, it has the same Yellow an Red Line Marking but is scaled 8000rpm , not 7000rpm. I believe, I have a 70 none L78 BBC Tach; somewhere around here and think the Yellow starts at 5000rpm a Redlines at 6000rpm but can't remember if it's Scaled 7000 or 8000rpm.

Gotta route though my stuff to fine it.

Sorry for the poor Pic but this is a True 70Z Tach. Note: The Clock is an Oil Pressure Gauge and is NOT Original ))



I'll look for that BBC Tach and get back. I can understand that the L78 Tach would match the rev limits of the z28 and an 8000rpm scale would be more appropriate for a SBC rather then a BBC. I utilized the original z28 Tach as my new engine is a BBC 460 Mechanical Roller Engine. Sorry for the Editing but I Crashed my Keyboard in the middle of this - lol
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Last edited by Z15CAM; Dec 24th, 07 at 02:25 AM.
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  #11  
Old Dec 24th, 07, 07:39 PM
Jeff H Jeff H is offline
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Default Re: 1970 Camaro SS L78 4spd

Quote:
Originally Posted by Z15CAM View Post
This is my 70Z Tach: Note, it has the same Yellow an Red Line Marking but is scaled 8000rpm , not 7000rpm. I believe, I have a 70 none L78 BBC Tach; somewhere around here and think the Yellow starts at 5000rpm a Redlines at 6000rpm but can't remember if it's Scaled 7000 or 8000rpm.

Gotta route though my stuff to fine it.

Sorry for the poor Pic but this is a True 70Z Tach. Note: The Clock is an Oil Pressure Gauge and is NOT Original ))



I'll look for that BBC Tach and get back. I can understand that the L78 Tach would match the rev limits of the z28 and an 8000rpm scale would be more appropriate for a SBC rather then a BBC. I utilized the original z28 Tach as my new engine is a BBC 460 Mechanical Roller Engine. Sorry for the Editing but I Crashed my Keyboard in the middle of this - lol
The picture of the tach posted above is the correct L78 tach. If the yellow starts below 5700 rpm's then it's an SS396/350 or lower tach.
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69 Z28 Hugger Orange original factory JL8 brakes, cross-ram & GM fiberglass hood, TI setup, heater and radio delete, Stahl headers, Minilite wheels - being restored
01 Z71 Stepside daily beater

Last edited by Jeff H; Dec 24th, 07 at 08:01 PM.
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  #12  
Old Dec 24th, 07, 08:30 PM
Z15CAM Z15CAM is offline
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Default Re: 1970 Camaro SS L78 4spd

Jeff:

Yes the Tach in my 70Z has the Yellow line starting at approx 5700rpm and Red Lines at 6500rpm but it has an 8000rpm Scale not the 7000rpm Scale like the Tach Chuch is showing.

Now you got me thinking. When I bought the Car in the mid 70's it had an L78 out of what I thought possibly came from a 66 Vette as it had the grooved Rear Main Cam Journal and Canaster Type Oil Filter. The car also had BBC Front Coils. Perhaps the previous Owner replaced the LT1 Tach with a 70 L78 Tach and my other Tach is the Original 350 LT1 Tach. The car is originally a 70 z28 with 03A 28.10 on the Protecto-Plate designating it a March 1st Week 1970 z28 with White Stripes. The M21 has the small out put and smaller Drive Shaft conducive to the LT1 z28 Drive Train. Optioned as follows: Special Instrumentation with 130mph Speedo, Console, Hide-Away Wipers, M21 4 Speed, Posi-4.10 Gears, Soft Ray F3 Dark Tint Glass and White Strips. I of 3161 z28's built with these Options for that 1/2 year of production. The COPO chin and rear spoiler came with the car but can not say they were original options as the build date of the car appears to be too early.

It would really make me Quiver to think the L78 was the original Engine and the 28.10 could possible read 78.10 - if that designates a L78. I'm 100% positive the 2 is not a 7 and the Z28 Emblems are original - That motor was a 396 + .030" - LOL.

Why would there be a 7000 and 8000rpm Scale difference between models of Tachs with the same 5700 to 6500rpm Yellow Zone if not the 8000rpm scale was intended for the 360Hp LT1 and the 7000rpm scale intended for the L78 - makes you Wonder.

I believe both the z28 and L78 having the Special Instrumentation Option shared the 5700 to 6500rpm Yellow Line and you could order either a 7000rpm or 8000rpm Scale Tach from GM - but don't quote me.

How much did you say these 70 L78 Tachs are Worth? I know the Dip Stick I use in my 460 Mechanical Roller originally from that mid Sixties L78 and sold for $450 on eBay once - now that's SICK; because, I would never build a motor around a DipStick - LOL
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http://www.flickr.com/photos/28082975@N04

Last edited by Z15CAM; Dec 25th, 07 at 03:28 AM.
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  #13  
Old Dec 24th, 07, 09:31 PM
rich pern rich pern is offline
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Default Re: 1970 Camaro SS L78 4spd

The L78 would not have had the .10, those were for Z28's only.
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  #14  
Old Dec 24th, 07, 09:43 PM
Z15CAM Z15CAM is offline
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Ron
 
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Default Re: 1970 Camaro SS L78 4spd

Richard:

"The L78 would not have had the .10, those were for Z28's only." Phew!; however, I was confident that I had not desecrated a 70 L78 and think the Protector-Plate would have the # "27" rather then 28.10 or the #78.
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  #15  
Old Dec 25th, 07, 12:30 AM
Z15CAM Z15CAM is offline
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Ron
 
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Default Re: 1970 Camaro SS L78 4spd

I did a little surfing on eBay searching 70 Camaro Gauges and checked with NastyZ28 site and believe I’ve come up with an answer.

1970 - 71 Camaro Z28 5600-6500 Yellow, 6500-8000 RedLine and 150mph Speedo

1970 Camaro L78 5700-6500 Yellow, 6500-7000 RedLine and 150mph Speedo

These Tachs are Specific to these Cars Only; other words, Mechanical Flat Tapped Engines.

My Z has a 130mph Speedo maybe it was changed out or possibly because this a Canadian car? Nastyz28 says "This was NOT a "Z28" or SS only option" perhaps inferring the 130mph speedo was STD?

http://www.nastyz28.com/2gcog/dashboard.html

My God $300 for the L78 Tach.

http://cgi.ebay.com/ebaymotors/1970-...spagenameZWDVW

Prices are getting absurd for all the 2nd Gen U14 Special Instrumentation Option. For what it’s worth to me I just might install the later 1973 - 74 Camaro Z28 5600 - 6000 / 6000 - 7000 Tach and eBay this one. I could buy a custom ground Mechanical Roller Billet Cam or a set of Gears, maybe a Dual Disc Clutch. In my opinion that Yellow Line means nothing to a documented 70 Z28 or L78 as these cars Own the Road by any means - LOL
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Z15CAM - There was a Viper in my Rear View
This is my 701/2 z28
http://www.flickr.com/photos/28082975@N04

Last edited by Z15CAM; Dec 25th, 07 at 06:37 PM.
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Team Camaro Tech > First Generation Camaro Info and Tech - 1967- 1969 "Where it all started" > Tag Team      Current Topic: 1970 Camaro SS L78 4spd
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