Join Date: Oct 2001
Location: Mt. Sterling, KY
ok here's the list on mine (so far)
MSD ignition w/ blaster 2 coil and magnecor spark plug wires.
spark plugs regapped to .050
carsound high-flow catalytic converter
borla cat back exhaust
havent installed the exhaust components yet, but i've noticed a huge difference with just the MSD ignition and regapped plugs. havent gone through enough gas to know of mileage improvements yet however.
you might also want to try replacing your fuel injectors as they may be clogged and worn out. Check your fuel lines also, there could be leaks. if you havent, it might be time to replace your O2 sensor. clean your throttle body. If you have oil in your air filter, spray carb cleaner into the tube going from the valve at the BACK of the valve cover into the intake manifold. Check your EGR canister. If it's full of liquid gas, you might wanna replace the charcoal and check the lines there.. check for vaccuum leaksas well.
Just basic maintenance will keep your rig working at full performance. If you've increased the size of your tires, replace the speedo gear so you get proper odometer and speedometer readings.
If you have a hard top, leave it on, the aerodynamics are better, you get better mileage than a soft top, and a soft top gets better mileage than no top at all. Expect mileage decreases of 5-10% with larger tires depending on your diff gearing. The added rotational weight decreases performance also. Lifts and high angles in your driveshafts also decrease performance
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So he wants to go OFF-ROAD does he????
'93 YJ, 4.0, K&N filter, Borla Header, Borla Cat-Back, Hi-Flo Cat, 3 Core Radiator, D-Rings, TruckNuts, MSD 6A, LockRite Locker in D30, Magnecors, Kickass Stereo, 1" daystar, 31" BFG AT's, Homemade Rocker Guards and Front/Rear air-tank bumpers with tire carrier, 15x8 AR-767 4"BS, BDS 3.5 HD lift, AMA A/C Kit, York OBA, GoFerIt 1" MML, 8,000lb HF/MM Winch, Magellan MAP 330 GPS, PRO-2067 500ch. Scanner, oh, and a CB capable of talking to SATURN!
"The Only Thing Necessary for Evil to Succeed is for Good Men to Do Nothing." - Edmund Burke