Thinking about 4.10's

plumkrazee70 said

Thanks, I think I will be happy also. I just thought I read somewhere that you have to take into account your cam range and final drive rpm.

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No! Not to low.
You'll like it A LOT!
You forgot to take into account the converter slippage. But don't worry.

That cam duration is slated to start making power right about at that cruise rpm you listed with the bigger tires. You'll be OK.