[Land-speed] Rear end efficiency

[JERRY FOSTER]

Hi Doug.........somebody has produced a quick change that is supposed to be great for LSR.  Sparky knows about this.  Perhaps he will fill us in.
  Hope all is well out in the Big Ditch.
   
  Jerry in Dallas
  

DougOdom <dlodom at charter.net> wrote:
  I asked this question on landspeed.com and never got an answer. Can 
anyone tell me when and where there has been testing done on the 
efficiency of the different styles of rear end gears. Quick change, Ford 
9", GM, etc. Is it a SWAG or is there data. I know the NASCAR guys do a 
lot of work on the 9" R & P I get from them. Has anyone done the same 
thing to a quick change and measured the results. There must be a SAE 
paper or something like it out there.
Doug Odom in rainy big ditch
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