[4x4 blazerguy]

Originally Posted by DnaProRacing

I heard Jet Chips is the way to go. 3 things you need before you do so, 1- free flowing exhaust 2- 180 degree thermostat 3- run 91 or higher octane. I suggest you do some research before you make your final decision. Jet Chips claims to give you 23 more hp, and a much better throttle response. I also read somewhere that a few techs did some research and said you only gain between 12 to 15 hp. I tested Superchips piggyback and didnt notice much diff. Ill try jet chips here soon and let you know what I find out. I drive a 92 z34 with a few mods: magnaflow converter, flowmaster 40 muffs, cone intake. with those alone I feel quite a bit more power. Im not one to dyno test, I go by what the car makes me feel. and any tech that is familiar with luminas will tell you, those cars love to breathe. so if you're looking for just a bit more power, do those, then if you're not satisfied, try a performance chip. oh, and dont fall for the hype of the iat bypass, they simply do not work, the car will default the air/fuel ratio so the bypass is pointless. hope this helps..

On our 93 Lumina what kind of advantages in gas mileage could I look forward to with free flow exhaust and a modified air intake? What advantage is the 180 thermo over the stock 195 on the 3.1 in the 93 Lumina?