dre2013

iTrader: (7)

my car has the mods in sig...i get about 13mpg city and 17.7 on the highway....it has a tune from pcm4less but its obvious it runs really rich b/c at idle when you are standing behind it it burns your eyes b.c the gas smell is so strong..I am guessing they set it up to run rich to be safe b/c it was a brand new engine and all...what gas mileage is everyone else with a cam getting? Should i send the pcm back out to be re-flashed? Thanks,
James

daniel6718

iTrader: (36)

same here with the 306 i get about 25 freeway and about 12 city...with a 3200 stall and 3.73

dre2013

iTrader: (7)

the 306 is the larger cam i think, and ive got an m6 with factory gears...and ive NEVER seen 25mpg lol..thanks for the reply..any more input on this?

96capricemgr

iTrader: (1)

I get better milage than that with 3400 stall and 3.73s in my heads/cam Caprice. Some tanks are in the 17.x range but that includes dragstrip time.

tbsimmons

Everything Dwayne has is better though.
In town I dont know what I get.
On the freeway I get in the range of 20 and above, if the go pedal is not pounded.
The best I got with the stocker was 22.
Might start taking some Datamaster runs for Bryan to look at.
If it is his first tune for you, he is a little fat for safety reasons.
If you work with him, he can make it better.
Also on the smell, no cats with an overlap cam, you will get that.
Where you live will have some factor.
CA, well the gas sucks so you will get lower, about 10-15%.
This was proven on a show run to Tulsa and back.

slagger

iTrader: (1)

I must be doing something wrong because I only get 16 the most on the freeway...

lt197formula

iTrader: (6)

I get around 12-13 city, 20+ usually highway if I dont hammer it constantly. This is with a h/c/bolton/geared lt1, cc306 for the cam.

the_merv

iTrader: (88)

LT4 Hotcam, 3.73's, about 17 City, 23 Highway.