Speedometer expert needed!

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79cutlasssalon442

Master Mechanic
Jan 25, 2012
282
0
I have a 1979 cutlass salon 442 that i will be putting 3.73 gears in it. I took out the metric trans and put a th350 in it. Does anybody have an idea of what color speedometer gear i need? all the calculators online ask for a drive/driven gear and i have no idea what it means. Thanks. i will be running a 235/50/14 tire if that helps
 

86-blk442

G-Body Guru
Dec 2, 2008
739
16
West Seneca, New York
http://www.transmissioncenter.net/speed ... ____va.htm

Check that site out. I have an olds 350, universal bell th350, and 3.73's in my car with 225/70/14s. My trans has a pink (7 tooth drive gear) and a 22 tooth driven gear (I think its grey). I also ended up running a ratio adapter because I couldn't get my speedometer correct with just the gears. I was still almost 27% off so I went to the dealer and got the part.
 

tc1959

Comic Book Super Hero
Dec 23, 2009
3,972
113
Surprise AZ.
86-blk442 said:
http://www.transmissioncenter.net/speedometer_calibration_______va.htm

Check that site out. I have an olds 350, universal bell th350, and 3.73's in my car with 225/70/14s. My trans has a pink (7 tooth drive gear) and a 22 tooth driven gear (I think its grey). I also ended up running a ratio adapter because I couldn't get my speedometer correct with just the gears. I was still almost 27% off so I went to the dealer and got the part.
X2 I used them when I did my 700 swap.
 
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