Re: [Chrysler300] Hurst transmission

["Miklas" <ldmiklas@xxxxxxxxxxx>]

I still have the original engine and trans from the Hurst that I modified 
with the Stage V Hemi conversion. The 440 has the weighted balancer and 
convertor required for the heavier "six barrel" style rods. The transmission 
only had a 3.8 kickdown rod but it did have the higher speed governor.

Jeff Miklas


----- Original Message ----- 
From: "Don Verity" <d.verity@xxxxxxx>
To: <mwl1967@xxxxxxx>
Cc: <Chrysler300@xxxxxxxxxxxxxxx>
Sent: Saturday, December 26, 2009 12:07 PM
Subject: Re: [Chrysler300] Hurst transmission


> Hi Mike,
> I think you are indeed confusing aftermarket modifications with factory 
> equipment.
> As far as I know, the only 440's with external balance were the 6 pack 
> engines, and later cast crank engines.
> The transmissions with the 5 clutch direct drum and wide band were 67-71 
> 426 Hemi cars. They probably had the 5.0 lever too. Most others had the 
> 3.8 lever. The converter in the Hurst was likely a 12 inch unit, as an 11 
> would cause to much slippage with a 323.1 axle ratio. The HP automatics in 
> Dodge and Plymouth with steep gears no doubt had the 11 inch converter.
> Unlike the early cast iron TF, the later aluminum 727 has plenty of 
> aftermarket parts to make it into anything you like. I think 5.0 levers 
> and big drums are over kill in our 300's. The 5.0 lever by itself will 
> make for some pretty harsh street driving. With the shift kits available, 
> it's really not necessary.
> Don Verity
> Rhode Island
>
>
>
>  I believe that all Mopars equipped with the 440 HP engines of the '70 &
>  '71 varieties probably had the matching 727 trans to go with it. If I 
> remember
>  correctly it had an 11" externally balanced converter (to match the
>  vibration dampner on the engines with the 6 pack style rods), an 
> additional
>  clutch and steel in the front clutch pack with a different arrangements 
> of
>  springs and or less springs than a standard unit, and I think a wider 
> kickdown
>  band with either a 4.2 or 5.0 ratio lever.
>
>  I may be mixing up some oem details with aftermarket upgrades but 
> hopefully
>  someone who's built some of these units can straighten up some of my
>  recollections. Perhaps Don Verity?
>
>  Mike Laiserin
>  Freezing in Phoenix tonight @ 39 degrees
>




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