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ronny
    
on a shift indicator what does Gr means
you P RND Gr this is on the lens /emblem and would anybody know were i could get one for a 1960 chev belair mine is all cracked and ny indicator has P R N D L pls let me know if anyone knows i've tried a lot of places with no luck it is only 1/4 of an inch wide it;s got a black back round thanks
posted: July 26, 2013
 
    
 
  Answers (5)
 
retiredpartsman
    
the turboglide trans used the gr [ grade retarder ] to hold back the car on down hill grades. the trans was a series of turbines and had only one speed in the drive position , similar to the buick dynaflow .they were a problem trans for CHEVY and many were changed to powerglides .
posted:  July 27, 2013
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dirtydave599
    
One of GM's "better" ideas, Not a Powerglide trans. Gr stood for "grade retard" A trans brake for going down hill. Didn't work out as trans was still a two-speed, but people would manually shift using Gr as second gear, not good. Instead of rebuild, trans was replaced (upgrade) to Powerglide. Make sure which trans you have then get correct indicator. Hope this helps.......DD
posted:  August 6, 2013
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swanny711
    
On a standard transmission GR would refer to the lowest forward gear.
GR meaning "grade". GR picked up the nickname of "granny gear" on account of how slow it is.
sources: In the early 60's my Dad had an International P/U with a shift knob marked
GR, 1, 2, 3 , and reverse
posted:  August 7, 2013
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nashambassador
    
Gr means 'Grade Retard' used for engine breaking on downgrades, Chevie 'Turboglide trans'
posted:  August 9, 2013
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acool30
    
Gr was used on TurboGlide transmissions, and meant Grade Reduction. It was to be used going down steep hills and such, but in reality, was just a fancy name for Low. We had one of these trannys on a '59 Bel Air.
posted:  August 13, 2013
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