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Hey guys! Just wondering is there a what would have been called a rear end gear? I mean it's front wheel drive but I feel you understand the question! And can you change it? And I've been haveing a lot of arguments on carbs for my Toro.. Id like to change it to a holly... But there are arguments on going Manuel secondary and vacuume secondary and hight clearence... What are your experiences with this on your Toro? Thanks for all the help guys!!!

the Toro rear end is referred to as the 'final drive' and is available in 3 ratios, the 66-7 used 3.21's
in 68 -70 it was raised to 3.07, then in 71 a 2.73 was introduced as an option to the 3.07 one would loose a bit of performance but gaining some economy it was used 71-78 with both 455 and 403.

As for carburation the 66-70 were pretty tight under the hood it very much a dealers choice.

Zeppelin wrote:And I've been haveing a lot of arguments on carbs for my Toro.. Id like to change it to a holly... But there are arguments on going Manuel secondary and vacuume secondary and hight clearence... What are your experiences with this on your Toro? Thanks for all the help guys!!!

A properly-set-up Q-Jet will make the Holley carb look sick in terms of driveability and fuel economy, and it'll do it without giving up any power.

It is somewhat more difficult to set-up the Q-jet, mostly because the Q-Jet is way more sophisticated than the Holley.

Personally I recommend modern throttle-body EFI if you can afford it. The ability to control timing and tune the EFI from inside the car is well worth it as is the cold start and run.

Relatively easy to install is the Atomic EFI from MSD. In my opinion it is far superior to any carb under most conditions. I know some will disagree.