Any tampering with an O2 sensor will cause a check engine light. So, you can not bypass.
rear spark plugs? there are 8 in a 4.7 6 in a 3.7 and 16 in a hemi what do you mean rear what model ram 1500 2500 3500?
At the rear of the intake manifold
That all depended on the rear gearing, but 9 to 10 MPG was typical on the hemi.
The 2003 Dodge Durango has 57.5 in. of rear shoulder room.
The 2003 Dodge Durango has 40.2 in. of rear head room.
The 2003 Dodge Durango has 56 in. of rear hip room.
The 2003 Dodge Durango has 37.3 in. of rear leg room.
The rear track of the 2003 Dodge Durango is 5 ft. 1.9 in. (61.9 in.).
Possible parking brake problem. Check the p-brake shoes inside of the rear rotor.
What size are the rear caliper pins on a 2003 Dodge Grand Caravan?
The rear track of the 2003 Dodge Grand-Caravan is 5 ft. 4 in. (64 in.).
Yes, the rear lines will need sealed though.