Fw: 8 3/4

[Dan McCormack <mcwheels@xxxxxxxxxxxxxx>]

----- Original Message ----- 
From: "Dan McCormack" <mcwheels@xxxxxxxxxxxxxx>
To: <1962to1965mopars@xxxxxxxxxx>
Sent: Monday, November 22, 2010 5:02 PM
Subject: Re: 8 3/4


> Mo is correct, I use this method all the time. I usually just count in 
> quarters. 2 3/4 turns is a 2.76, just under 3 turns is a 2.93, 3 1/4 turns 
> is a 3.23, 3 1/2 turns is a 3.55, 3 3/4 turns is a 3.73, just under 4 
> turns is a 3.91 and just over 4 turns is a 4.10. That's pretty much all of 
> the standard ratios you'll find.
>
> If you don't have a sure grip you can still do it off the ground. Block 
> the opposite tire so it can't turn and turn the wheel 2 full revolutions 
> (don't ask me why 2 but it works) and again count the driveshaft 
> revolutions.
>
> Dan
>
>
> ----- Original Message ----- 
> From: "MO ( Steve Mick)" <micher@xxxxxxxxxxxxxxx>
> To: <1962to1965mopars@xxxxxxxxxx>
> Sent: Sunday, November 21, 2010 7:16 PM
> Subject: Re: 8 3/4
>
>
> > Your method will work- IF- it has sure grip positraction. ( when one 
> > wheeel is turned, the other wheel will turn in the same direction)   Make 
> > a mark on the driveshaft and count the number of turns it makes to one 
> > revolution of the tire. Figger the driveshaft into1/10 increments and it 
> > will get you very close to all known ratios that are available. ie : a 
> > little over 3 and 2/10 turn of the driveshaft = 3:23 ratio-- 3  and a 
> > little over 7/10 turns = 3:73 ratio
> > If you do not have positraction ( tires off the ground and turn in 
> > oposite direction  to the other tire)  I think if you have both tires on 
> > the ground , move it straight forward and count your driveshat turns to 
> > one tire turn , it will give you the 
> > ratio...............................MO
> > > On 11/21/2010 4:16 PM, harry skalla wrote:
> > > > You know it has been awhile, but I'm trying to find out what ratio my 
> > > > rearend is. I remember I think, that if you jack up the rear, mark the 
> > > > driveline and turn the wheels one full turn, and count how many times 
> > > > the driveshaft turns that will be close to what your ratio is?? Does 
> > > > that sound right? Or is there some other way? I don't want to pull the 
> > > > 3rd member out..Thanks


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