Restoration & Modification Projects > Modification Projects

6 speed Magnum in to C3

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bfit:
Yes jethro it has both
I want to run the mechanical drive to keep it simple
I will post photos tomorrow of the modified drive to move the 90 deg cable drive up closer to the box
Bfit

Jethro:
Looking good Rob

bfit:
Speedo drive  problems solved


Original speedo drive as supplied


To get this to fit I have to Cut 16mm of the end of the mounting pad.
TO use a cable straight on the speedo drive would run the cable straight at the exhaust

I modified the drive as  shown to get more clearance


Speedo drive 15mm shortened  to move angle drive up closer to gear box for  clearance to exhaust  



Modified drive fitted to gead box

bfit:
Trail fit magnum to 76 auto body
 


Trans in  position
I had to cut the tunnel to get the box up to the correct center line
the section removed  is the area  where the original auto shifter  was mounted .
this section  protrudes down towards the gear box about 32mm.
the hole will serve as the shifter position.



 in the photo above  you can see the trans mount  the bottom of the mount is 10mm below  a lone taken across the bottom of the chassis.




this photo show  gear box  sitting at center line of original box  
there is just adequate clearance.
note the top of the shifter area is at an angle  that is standard  in the design of the gear box its about 17 degs to the left side.
 




this is a 76 auto body  I would think there will be less room in a 70 model manual body I will know in a few months if that is true.

the photos  could be better but that is how it is  when you take them with a phone in the middle of the night

Bfit

bfit:
I am finding time to work on this again

modifying the transmission mount
 the tremec  magnum  rear mount is 3.1"  to the  center line of the  out put shaft
I have machined  this to  2.785"
the Mounting  pad  is  now 5/8"  think at the  mounting  bolt hole
I  removed 0.225" ( 5.715 mm )






the mounting pad on  box comes set up for chev and ford
I machine the  the excess off  


 

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