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Testing new dog box

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  #1  
Old 06-02-2020, 09:56 AM
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Alan
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Testing new dog box

New straight cut gear dog box. A few laps at Eagles Canyon Raceway. My first laps on the newly repaved new configuration. They did an excellent job!

 
The following 2 users liked this post by Alan:
jk6672 (12-08-2020), scotty_r56s (06-02-2020)
  #2  
Old 06-02-2020, 02:26 PM
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That is so bad ***. Where did you get the work done?
 
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Old 06-03-2020, 01:19 PM
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Drivesport

FORD/MINI GETRAG MT285 5 SPEED DOG GEAR KIT


They designed a custom 6 speed dog gear kit to get the gearing / top speed I wanted.
 
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Old 12-08-2020, 08:13 PM
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What is a dog engagement gear kit? I enjoyed the video.

edit.... looked it up. Very interesting. Are you clutching with your shifts or ( how it’s explained in the video) momentarily decreasing the torque and shifting?

I read a dog box transmission also reduces weight. Curious if you know what weight reduction you gained from the kit.


 

Last edited by jk6672; 12-09-2020 at 10:05 AM.
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Old 12-09-2020, 10:47 AM
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I always use the clutch. I was excited about clutch-less up-shifts till I read what happens when you do a clutch-less money-shift. It was said you could wreck both the motor and the gearbox! Yikes! For sure the shift time is less - it literally clicks from gear to gear.

My mechanic commented the straight-cut gear cluster gearbox was noticeably heavier.
 
  #6  
Old 12-09-2020, 11:11 AM
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Interesting. I read it reduces weight and the stress helical gears put on the output shaft.
I’m interested in getting into track days. I’ve already stripped out my interior and added a cobra seat. I’ve been researching the SCCA regulations on roll cages. Chuckwalla is the closest track to me.
 
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