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Finally after changing out my old plug wires with MSD 8.5MM's and adding new MSD Blaster Coils, I figured my gas mileage and my power would go up, but that was an understatement. I do indeed feel it has more oomph, not butt loads, but it's performing better. Now for the interesting part: I filled up on a tank full of 87 Octane and drove it softly with intent on getting hopefully better gas mileage, and at half tank on the next fill-up, it registered 294.5 Miles driven and took 9.144 gallons to fill it up. Boy's and Girls's, that adds up to 32.2 MPG!! In an automatic 3.4L in which I was previously lucky to get close to the sticker Mileage of 28, this is a blessing getting this kinds of gain. Is this abnormal mileage or what? Anyone else gotten gas mileage this good?
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yes, alot of people and some even better. i get about 32 also -
Change out a few more parts
Air and fuel filters
PLUGS
PCV Valve
Check tire pressure
Run a bottle of Fuel system/injector cleaner
You might get it up to 34..Comment
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Did the rest of that already....I did have to "get on it" a time or 2 in town on last fill-up because of traffic, heck I might be around 34 or so now (without getting lead-foot-syndrome), we'll see next fill-up.Comment
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my 97 gets anywhere from 36 to 38 miles per gallon on the open road (if i keep my foot out of it:)1997 3.8 5-speed Camaro<br />BMR STB, LCA\'s, SFC\'s,Panhard bar, Torque arm,1LE sway bars<br />Headers, SLP cold air, Flowmaster catback, takeoff LSD, Eibach pro springs<br />Hurst shifter, 01 Z28 guage cluster w/ white face overlays, billet grill wComment
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I didn't kow 3.4's could run anything unless unleaded. Then again, I don't know anything about octane. I was just always told never to put anything except unleaded in my car.K&N CAI, Magnaflow High Flow Cat, Flowmaster American Thunder 2.5\" Cat-back exhaust w/ 40 series Muffler (single piped exit), Pacesetter Midlength Headers, TB Bypass.<br /><br />Vid of my 3.4 - <a href=\"http://media.putfile.com/Headers49\" target=\"_blank\">http://media.putfile.com/Headers49</a>Comment
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i was told our tanks were shaped in a V which does make since cause i get good gas mileage and at a half tank it goes down quick!!Comment
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so what all did you change out? i have a 94 as well and the gas mileage has been really bad lately so i'm trying to find ways to get it up. i may just try some of the stuff you did and see how that works. so what all could i change out to increase my gas mileage?1994 Camaro 3.4 L V6 <br />2.5\" Flowmaster 80 Series American Thunder Exhaust<br />SLP Cold Air Intake<br />Sony Head Unit<br />Pioneer Midranges<br />2 10\" Sony XPlod 1100 W Subs<br />Power Acoustiks 980 W Amp<br /> <a href=\"http://www.cardomain.com/id/heartbeat_of_94\" target=\"_blank\">http://www.cardomain.com/id/heartbeat_of_94</a>Comment
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Swap the engine for a 4-banger!!Originally posted by Heartbeat_of_94:
so what all did you change out? i have a 94 as well and the gas mileage has been really bad lately so i'm trying to find ways to get it up. i may just try some of the stuff you did and see how that works. so what all could i change out to increase my gas mileage?
Im sorry but i couldnt resist... Anyway though, try the things listed above, they should help some and give you a starting place.1999 Black V6 Camaro<br />Website: <a href=\"http://midnight-maro.freestarthost.com\" target=\"_blank\">http://midnight-maro.freestarthost.com</a> <br /><br />CAI,Lid,K&N,SLP LM, Powerdyne, Shift Kit, 160* thermo, and gauge pillar w/gauges.. Sittin in the garage: RKSport Headers, Carsound Cat, LSD, Fuel Pump, GTP Injectors, 3.73\'sComment
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HOLY **** I GET BEST CITY DRIVING OF 17-18 MPG! WTFHHFWLKFKJSLDFJK SDLF S FDL SJDFJERW96 Camaro M5. Dark metallic gree (?dont know the offical color name)<br />Home made Intake :: Headers, 3inch headers back to Flowmaster muffler :: spec stage 3 clutch Now installed, waiting for 3.42\'s and LSD next month<br /><a href=\"http://photobucket.com/albums/y192/RiceEatingCamaro/?action=view¤t=newcar.jpg\" target=\"_blank\">My Car</a> <br /><br />Totalled Car.<br /><a href=\"http://bellsouthpwp.net/s/k/sk8er305/\" target=\"_blank\">96 CamaroRS</a>Comment
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I just learned that 87 octane IS unleaded, lol, I'm dumb.
Anyways, help me out here, I would like change some of the same things that you did, my 3.4 is semi high milage and this should be done anywhow. I went to the MSD site and it reads like its in a different tech language. And how much did it all cost for you to gain that milage?K&N CAI, Magnaflow High Flow Cat, Flowmaster American Thunder 2.5\" Cat-back exhaust w/ 40 series Muffler (single piped exit), Pacesetter Midlength Headers, TB Bypass.<br /><br />Vid of my 3.4 - <a href=\"http://media.putfile.com/Headers49\" target=\"_blank\">http://media.putfile.com/Headers49</a>Comment
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To get the mileage where it is now, I think I can attibute it to a few things, let's elaborate: K&N Intake (FIPK), Flowmaster Series 40 single in dual out catback, CATCO Converter, MSD 8.5MM wires, MSD Blaster Coils, Rapid Fire Spark Plugs by AC Delco I think.......so far that's it. For oil I run Valvoline Max Life 10W-40 and I try to fill my car up on Chevron gas if possible. Tires are proper size, GoodYear Eagle's. On the flip side of this, I imagine there are 3.4L's that no matter what a person does, the gas mileage sucks badly....this seems to be in a lot of cars from what I have seen, different makes/models, etc. BTW my car has 165,000 on the clock and still runnin' strong, KNOCK ON WOOD.Comment
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2 ounces of acetone for every full tank was reported somewheres on this forum to increase fuel mileage even more. Read this link carefully for added proof > http://www.lubedev.com/articles/additive.htmBlack \'96 RS Camaro, 3.8 V6 Series II, M5, Stock 200 HP, 204K miles! Stock \'91 Firebird 3.1 V6 automatic w/ overdrive. 266,400 miles on it. \'83 Pontiac Trans Am,305 LG4, Cowl Induction,Borg Warner 5 Speed,T-Tops,Gale Banks Exhaust System:$800 oboComment
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94fbody, was that 32 MPG for city, highway, or a combination? If it's a combination, what percentage each, approximately? I have a relatively low mileage 3.4 5-speed car with all new tune-up items in total stock form. I've been averaging 300 miles per tank, or ~21 mpg with very little highway time. Which of the modifications to your car would you say made the biggest improvement in economy? Thanks!Comment
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94fbody, was that 32 MPG for city, highway, or a combination? If it's a combination, what percentage each, approximately? I have a relatively low mileage 3.4 5-speed car with all new tune-up items in total stock form. I've been averaging 300 miles per tank, or ~21 mpg with very little highway time. Which of the modifications to your car would you say made the biggest improvement in economy? Thanks!Comment
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