15mpg?! help me get better mileage!

[oboytroyman]

I recently purchased a 92 sho mtx. 1 owner car. The 63 year old guy bought the sho new and Im not sure what hes replaced on the car. I filled up maybe 2 weeks ago though and I got roughly 400 miles with about 19 gallons. so i figure i got about 20mpg. I usually shift around
3k rpms. Although on occasion I like to have fun and rev her up and go fast. But when I filled up last week I only got less than 300 miles with a tank. I felt like i drove pretty much the same, mostly city/45 mph zones. What should be on the top of my list to replace to get better mpg???? by the way im a broke college kid so less money=better .

 

[oboytroyman]

mileage

I've also read that bp premium gas is awesome, so I've only used bp premium 93 octane.

 

[bubba]

Pull your codes, and come back and see what it needs! Might need some new o2's or a tune up!

 

[oboytroyman]

the check engine light isn't on though..

 

[shotime1994]

Your cel light doesn't need to be on to have codes. Go to shophoenixproject.com to see how to pull codes.

 

[Shopower400]

87 octane is just fine. Here is my list of things to replace, in this order...


1.Fuel Filter
2. Intake (K&N panel filter) also, it dosn't hurt to pull the cone out of the fender well.
3. plugs and wires
4. Y-pipe WITH 02 sensors.


That should give you a decent start w/o spending too much doh.

 

[zblackbeast]

87 octane is just fine. Here is my list of things to replace, in this order...


1.Fuel Filter
2. Intake (K&N panel filter) also, it dosn't hurt to pull the cone out of the fender well.
3. plugs and wires
4. Y-pipe WITH 02 sensors.


That should give you a decent start w/o spending too much doh.

agreed.. I did this and i get 22 in town.. On a trip to NE and back i averaged 30MPG!

 

[SHO_ROLLER_2]

I don't have a Y-Pipe, but I've kept up with the 60K's and average 21-23/28-30 City/Hwy.

 

[oboytroyman]

wow thank you guys very much! I didn't think i could actually get above 25 mpg with this car but well see once i do this stuff to her. my fuel filter looked awful too haha. I'll keep you guys informed

 

[oboytroyman]

also, what do you mean by replace intake? I see you can buy a kn air filter for like 55 bucks which i will get, and new plugs and wires...but intake?

 

[SHO_ROLLER_2]

also, what do you mean by replace intake? I see you can buy a kn air filter for like 55 bucks which i will get, and new plugs and wires...but intake?

Just a K&N, that's all.

I've been running one for 8 years now and it's great.