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Jay,

I have a full tube chassis car and changed the rear gears from 456 to 410, now my ET is up from 8.79 to 8.96. Is this natural, and what happens if I put the 456 back in?

Tony
Waldorf

Tony,

I would have to have more information about your combo to be really sure but in a nutshell, yes, it is possible. I'm guessing that your engine likes the higher rpm range of the lower gears (4.56). As for what would happen if you installed the 4.56s again, um, wouldn't it run what it used to? Hope this helps.

Jay Roeder