1966 6yl. to v-8 motor swap questions

[bigcolt45]

what will i need and what years and engines will bolt to my 3 on the tree manual tranny? and how fast do they run with a 351 in them and any other pointers on things i will need to do to upgrade...thanks

 

[gravy]

The I6 3 speed tranny will need to be swapped out for a V8 3 speed which is longer and you will need new motor towers which weld on ( I have a set that are for sale- $25), radiator and core support mounts and a few other things. In my opinion the V8 is the best way to go and the torque of the 351 is nice to have. I run a 5.0 from a mustang fuel injected, it was worth all the work.

 

[bigcolt45]

so what exactly are motor towers? and will my trans bolt up to any other motor than my 6cyl?

 

[bigcolt45]

and also how fast will it be able to be with my 3 speed?

 

[Explorer]

All the three speeds have a one to one ratio in high gear, so that is not a factor. You more than likely have 4:10 gears and how fast will depend on what size tires for a given rpm. You could upgrade to a larger six such as the 200 or 250 unless you're determined on having a V8.

 

[gravy]

so what exactly are motor towers? and will my trans bolt up to any other motor than my 6cyl?

the towers are where the motor mounts mount to the frame. New ones have to be welded on to accomadate the V8