Re: [Chrysler300] Rear End 300F

[Bill Huff <czbill@xxxxxxxxxx>]

If one wheel is still on the ground, and it is an 
open differential, the drive shaft should turn 
twice the number of turns as if both wheels were 
rotating.  So divide the drive shaft turns in two before calculating the ratio.

Bill Huff

At 8/26/201112:24 PM, retromobilia@xxxxxxxxxxx wrote:
>
>
>does anyone remember the formula to develop the 
>ratio number from one rotation of the wheel on 
>the ground as compared to one rotation of the drive shaft....?
>
>J D Jung
>Retromobilia.net
>
>----- Original Message -----
>From: "Don Verity" <<mailto:d.verity%40cox.net>d.verity@xxxxxxx>
>To: 
><mailto:chrysler300%40yahoogroups.com>chrysler300@xxxxxxxxxxxxxxx, 
>"Thomas Cox" <<mailto:tdcox%40bellsouth.net>tdcox@xxxxxxxxxxxxx>
>Sent: Friday, August 26, 2011 6:02:01 AM
>Subject: Re: [Chrysler300] Rear End 300F
>
>Hi Tom,
>There are a few variables here that would need 
>to be addressed. You need to verify that your 
>speedometer is correct. The easiest way to do 
>that would be with gps. That RPM sounds high. My 
>G would be doing an indicated 75-80 at 3,000. I 
>can't believe there would be that much 
>difference between 14 and 15 inch wheels. The 
>next thing would be to confirm that the tach is 
>correct. This can be done easy enough with a 
>tach/dwell meter. Then you would have to check 
>the rear end ratio. Using the calculator that 
>someone else mentioned would be the easiest way.
>300ly,
>Don
>
>----- Original Message -----
>From: Thomas Cox
>To: <mailto:chrysler300%40yahoogroups.com>chrysler300@xxxxxxxxxxxxxxx
>Sent: Thursday, August 25, 2011 7:48 PM
>Subject: [Chrysler300] Rear End 300F
>
>At 60 mph, I am running about 3,000 rpm. Is this 
>to be expected with a 3.23 rear
>end? I wonder if I have the correct "chunk" in the F rear end.
>
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>
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>


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