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Re: [Tigers] Alternate Rear End Gears

To: "Rense, Mark \(GE, Appl & Light\)" <mark.rense@ge.com>,
Subject: Re: [Tigers] Alternate Rear End Gears
From: "Hugh Guynes" <hguynes@cinci.rr.com>
Date: Sun, 29 Aug 2010 12:37:17 -0400
I run a T5 with the G Force gears and 9310 main shaft. The 347 in my Tiger 
makes 403 rwhp and 378 rwt. Even with the stronger gears the transmission is 
quiet and shifts good. I run 8-10 track events a year and I don't think 
there will be any problems with this transmission set-up in a in a 2300lb. 
car
----- Original Message ----- 
From: "Rense, Mark (GE, Appl & Light)" <mark.rense@ge.com>
To: <tigers@autox.team.net>
Sent: Wednesday, August 25, 2010 11:48 AM
Subject: [Tigers] Alternate Rear End Gears


> Speaking of gear ratios, has anyone ever found a Dana 44/Salisbury rear
> end ratio LOWER than the 2.88:1 ratio in our stock differentials? I
> searched the web and found ratios as high as 5.89:1 (imagine, a top
> speed of 74 MPH at 6000 RPM, but would you get there fast!). Assuming
> you convert your Toploader to the wide ratio (2.78 1st) gear set,
> dropping to a 2.66:1 rear gear set would still give you a better launch
> off the line yet drop your 4th gear cruising RPM about 300 rpm, so for a
> 205/50R15 tire, you would be doing 2700 RPM instead of the 3000 RPM with
> the stock 2.88:1 ratio.
>
> Why ask this, you say? Well, my stroker motors push out over 400 ft-lbs,
> and the five speed T5s that fit inside the Tiger tunnel are not capable
> of handling that level of torque unlike our faithful Toploader. Plus
> with that amount of low end grunt the car will launch off the line hard
> in pretty much any gear you choose.
>
> Any thoughts?
>
> Bugz
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