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Radatron tach


IMG_3107.JPG

IMG_3104.JPGDoes anyone know much about theses Radatron tachs?

My Dad gave me this when I was a little boy.

Really want to put it in my Parisienne...

Under the back cover it has a 6 stamped??(6 cylinder??)

I can't seem to find much info about them...

Have seen pics on e-Bay 



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67 Parisienne Convertible 



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IMG_1850.JPG

I have installed a hei ignition 

on the sbc 350 

so that's what I would have to connect this unit to.

 



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67 Parisienne Convertible 



Canadian Poncho Superstar!

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Looks like you might be missing a wire or 2. Anyway you can find/locate a wiring diagram? Most tachs I think r black-ground,red-bat/hot,yellow-light,green-coil/ign. Some old tachs may have an extra wire (white I think) for 6 volt. Looks like on yours white with black is ground,orange is light,short red wire would be power and yellow to coil/ign. Like I said,best to see if you can find a diagram on the web,I'm just guessing. My old Sun tach is hooked up to tach lead on my hei in my 57 and my new moon tach is hooked up direct to my ECM on the Canso. If yours is made for a 6 cyl and not changeable to 8cyl the RPM will be out.



-- Edited by hawkeye5766 on Saturday 10th of December 2016 06:44:41 PM

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The white wire says pick-up The yellow says tach power The orange is power for the light The chrome body is the ground I just wonder if it's 6 volt??? Or if it's for a 6 cylinders?? Can it be used on hei??? Was it meant for a points ignition??

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67 Parisienne Convertible 



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If it is for a 6 cylinder points system Can it be converted??

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67 Parisienne Convertible 



Canadian Poncho Superstar!

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Hard to tell from your pic,looked like black going to white. What is the stubby red wire with mar connector hooked to?? If you have a tach lead on your hei should work fine....but not a 100%. Like I said my old tach works fine on hei.

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Canadian Poncho Superstar!

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SGS Welding wrote:

If it is for a 6 cylinder points system Can it be converted??


 Works of the pulse,so just might be out a couple of 100 rpm.



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Canadian Poncho Superstar!

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Looks like it may a transmiter which will let it switch from 4/6/8cyl. Best wiring diagram I could find.

NOSTALGIC-VINTAGE-NOS-1950s-60s-RADATRON

 



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Uber Guru

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One recently just sold on ebay....$153.50 U.S.- 24 bids.

http://www.ebay.com/itm/Vintage-CHAMPION-RADATRON-INC-Dash-mount-Tachometer-8000-RPM-Working-Tested-/272452407317?_trksid=p2047675.l2557&nma=true&si=8GPRUHeu2jiVpNcfT4cyefH5Edg%253D&orig_cvip=true&rt=nc

Last picture from ebay ad:

RED - +HOT

WHITE - TACH/COIL

BLACK - GROUND

 



-- Edited by Greaser on Sunday 11th of December 2016 11:08:50 PM

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