Re: [Chrysler300] Speedometer pinion gear for 300G

["john begian r2gthawk@xxxxxxxxx [Chrysler300]" <Chrysler300-noreply@xxxxxxxxxxxxxxx>]

I run 225/75-15 tires, with a 3.23 ratio.  The standard 18 tooth red gear had the speedo reading high, I was actually going 55 and speedo showed 62.  Put in the black, 19 tooth gear and all is well, I only show 2mph higher than actual now.  Good luck finding these gears, CI torqueflight specific and they are scarce.

 

John Begian

On Friday, July 17, 2015 1:49 PM, "John Holst jholst@xxxxxxxxx [Chrysler300]" <Chrysler300-noreply@xxxxxxxxxxxxxxx> wrote:

 

As a check of the speedometer I have used a portable GPS readout (hand held). My RAM Charger is on it's third speedometer and reads about 10 mph slow at 55. I'm sure that somewhere I got the wrong cable or gear or something, but for pushing snow it works. John Holst ( i have a sign on the dash that warns people not extend arms outside the window at speeds above 120 mph)


At 12:14 PM 7/17/2015, you wrote:

 

What does it read when you're doing 120? ;-)

On Fri, Jul 17, 2015 at 12:57 PM, 'Bob Jasinski' rpjasin@xxxxxxxxxxx [Chrysler300] < Chrysler300-noreply@xxxxxxxxxxxxxxx> wrote:

 

I'm trying to determine the proper speedometer pinion gear for my 300G.  My speedo reads lower than it should and I'd like to see if I can improve its accuracy, at 40 mph I'm actually doing about 45.  I'm running 235/75R15 tires and a 2.93 rear axle.  Any suggestions on the proper gear? I know they come in different colors to differentiate different ratios.

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Thanks!

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Bob J

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Posted by: john begian <r2gthawk@xxxxxxxxx>

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