Recent content by need for speed V8

I'm looking to get a 1997 Jeep Grand Cherokee with a 5.2 liter v8. I've read that with diamond fire spark plugs, cold air intake, throttle body spacer, and some others can increase gas mileage. i wanna ask how much extra mpg can i expect to get. also... is there any personal problems with the...

i'm taking a couple friends with me next year to go cross country from New Jersey to the pacific ocean in Washington in a 1995 Ford Bronco Eddie Bauer. I am aware of the gas mileage but it has a 32 gallon tank which should give some good range. Anybody ever done this before and give an answer on...

I'm driving a 1995 jeep cherokee country with three friends next year cross country. anybody ever done this before and if have then how was it? (as in, comfort etc...), is there any recommended aftermarket parts i can put on the jeep to make it a better cross country performer (shocks, tires...

i have a 2004 ford explorer that i'm going to take on a cross country road trip from new jersey to washington state. what do i have to do to make sure it will make it and what suspension setup that i can buy is the best for a smooth ride (like shocks and struts) when i add a lift kit about 2 to...