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Another thing I was wondering is aren't the cam setups from the cars different than our trucks?

The cams on the 12V are a few degrees longer duration in a car.
On the DOHC the duration is the same but the advance is a few degrees different.
I have not researched the 24V SOHC fully so I will not answer to them.
In general the car cams make more power everywhere as well as better economy. The torque rating of the 12V truck engine is at a lower RPM than the car. But the car engine exceeds that torque there as well as above that.

Cheers, Charlie
If It ain't broke, Modify it!
87 Montero turbo Converted back in Spring1989
95 Montero SR 3.8 DOHC Only one?
93 Pajero 3 door 6G75 Mivec with paddle shifted 5 speed
Then a Gen2 SR with full coil independent suspension.