F-303 cam fuel economy

jaidedeye

Member

Apr 4, 2004

627

0

16

Goldsboro nc

Oct 11, 2004

#1

• Oct 11, 2004

• #1

how much fuel economy am i losing with my f-303? right now i get about 190-200 miles on a tank but when i fill it up the car only takes maybe 11-12 gallons..damn fuel guage....

anyways, i know there are other factors that deal with fuel economy(coolant sensors, 02 sensors,fuel filter..etc..) im just asking about the cam

thanks

 

IndyBlk5.0

New Member

Nov 24, 2003

1,122

1

0

New Whiteland, IN

Oct 11, 2004

#2

• Oct 11, 2004

• #2

my gas mileage sucks. But im detuned right now. soon to be fixed friday. My gas gauge doesnt work at all, be happy yours atleast works allitle

 

jaidedeye

Member

Apr 4, 2004

627

0

16

Goldsboro nc

Oct 11, 2004

#3

• Oct 11, 2004

• #3

ttt

 

8

87GT 306

New Member

Oct 11, 2004

260

0

0

Springfield MA

Oct 11, 2004

#4

• Oct 11, 2004

• #4

IndyBlk5.0 said:

my gas mileage sucks. But im detuned right now. soon to be fixed friday. My gas gauge doesnt work at all, be happy yours atleast works allitle

Click to expand...

I was checking out what you have into your car. I just bought an F-cam for my 306, how's it sound at idle and does it take off pretty good? Also, Is ur GT-40 intake the tubular one? I have the gt-40 tubular ans I thought that you cannot port them because they are not a casting?

 

jaidedeye

Member

Apr 4, 2004

627

0

16

Goldsboro nc

Oct 11, 2004

#5

• Oct 11, 2004

• #5

the f-cam in my 306 has a nice choppy idle.....BUT...it lacks power below 2800 rpm...good cam but too much overlap and duration for an n/a street car. i actually think id gain HP and TQ if i swap to the trick flow stage 1 cam...i have ported gt-40 heads...not the intake. i actually have a stock intake manifold.....i know im looseing at least 50 hp but im still making a decision on wich one to get.......

dont get discouraged with the cam though , its a good cam, and a really good blower cam.

anyone else have a comment on the f-303 affecting gas economy?

 

Michael Yount

Mustang Master

Apr 10, 2002

9,039

6

79

Charlotte, NC

Oct 11, 2004

#6

• Oct 11, 2004

• #6

Is it me?

200/11=18.2 mpg 190/12=15.8 mpg

What does your fuel gauge have to do with it? Looks like you're getting somewhere between 16-18 mpg. If that's around town - it's not bad. If it's highway - it pretty well sucks.

My first thought was that F-cam fuel economy was an oxymoron.

 

jaidedeye

Member

Apr 4, 2004

627

0

16

Goldsboro nc

Oct 11, 2004

#7

• Oct 11, 2004

• #7

lol....michael...yeah F-cam and fuel economy kinda like oil and water i know, but how bad? man i wish i got 280 to 300 miles per tank like some of these guys

yeah thats all city driving

 

N

notchman90

New Member

Oct 7, 2004

87

0

0

long isle, ny

Oct 11, 2004

#8

• Oct 11, 2004

• #8

i usually get 120-150 miles per tank. timing is off and have no coolant sensor.
usually shift around 2500-3000

 

jaidedeye

Member

Apr 4, 2004

627

0

16

Goldsboro nc

Oct 11, 2004

#9

• Oct 11, 2004

• #9

wow, i dont feel so bad now.....i do need some new sensors and a good tune.

 

sheff2720

New Member

Nov 30, 2003

182

0

0

Horsham, PA

Oct 11, 2004

#10

• Oct 11, 2004

• #10

i get about 200 to the tank with filling up about 14 gallons.. it all depends on your right foot, ive gotten less than 140 to the tank

 

Michael Yount

Mustang Master

Apr 10, 2002

9,039

6

79

Charlotte, NC

Oct 11, 2004

#11

• Oct 11, 2004

• #11

16-18 around town with your build isn't bad. What's it do on a steady highway run near the speed limit?

 

M

Mark89Notch

New Member

Apr 21, 2003

42

0

0

Long Island,NY

Oct 11, 2004

#12

• Oct 11, 2004

• #12

I get 17- 18 mpg combined. Ill get 200- 220 out of a tank. I could use a good tune up.
Stock Block Cam and Heads.

 

Michael Yount

Mustang Master

Apr 10, 2002

9,039

6

79

Charlotte, NC

Oct 11, 2004

#13

• Oct 11, 2004

• #13

jaidedeye - to put it in perspective, mine gets 18-19.5 around town (not a whole lot of stop and go), and 24-26 on the road with a mild H/C/I combo and the equivalent of a Stang with 3.90 gears.

 

sheff2720

New Member

Nov 30, 2003

182

0

0

Horsham, PA

Oct 11, 2004

#14

• Oct 11, 2004

• #14

Michael Yount said:

16-18 around town with your build isn't bad. What's it do on a steady highway run near the speed limit?

Click to expand...

well ive never had it on the highway for an entire tank, but when i went there and back to harrisburg i had 350 miles with a quarter tank left.. so thats what, 35mpg.. and that was crusing at about 1900-2100

 

jaidedeye

Member

Apr 4, 2004

627

0

16

Goldsboro nc

Oct 11, 2004

#15

• Oct 11, 2004

• #15

i really have never ran a full tank on the highway. but i have driven to raleigh (50 miles each way and only used 3/8ths of a tank on 100 miles so i guess on a full tank all highway miles im looking at 240-250 on a tank.....

its just hard to know when im really empty with my guage....i usually have about 2-3 gallons left in the tank when i fill it up