how to get better gas milage? - Page 2

heavychevy85 · 08-08-2008, 10:23 PM

will the motor run any better with the new oxygen sensor(s) adn i was lookiin in to getting the cat-back system from cherry bomb it sounds freakin sick on a 6.0 so it should sound just as good on my 5.3 and the k&n and i was lookin into electric fan(s) will a universal fan work from advanced auto or somthing they run around 87 bucks for one 16 inch fan

brad4eva · 08-08-2008, 10:41 PM

Well I ment to say i got flowmasters on it, i got headers also. what you mean by carberated?

stumpuller454 · 08-09-2008, 09:00 AM

Quote:

Originally Posted by brad4eva

Ok... listen heres whats going on with me, i went from all computer to like nothing cmoputer... on the ecm deal? wat would i have 2 do.. i mean can i still reprogram it and wat u mean by free flow exhaust , I just got straight pipes no cats or anything no O2 sensors

All computer to nothing computer? just kinda assumed your not using fuel injection anymore?

HC85, yeah anyfans will do, you will want to end up with at least 4500cfm (for a full size truck) of air movement, all fans are rated, you will probly have to use 2 fans, ALSO you will want to probly run a setup that incorperates a thermostatic switch that you can adjust to "turn on/off" the fans at the tempurature you desire, otherwise you could wire them to come on when the key comes on but they would run non stop, not lasting as long and cooling when not neccesary (cold start in the morning) I`ve got mine setup to be capable of turning on even when the truck is off, so after a long trip she will cool down well even after i`m out of the truck.

brad4eva · 08-09-2008, 11:07 AM

Right im not fuel injection anymore.

heavychevy85 · 08-09-2008, 04:21 PM

well what about the o2 sensor will that help me or just leave it the way it is

stumpuller454 · 08-09-2008, 06:56 PM

i don`t think changing the 02 is going to gain you anything, your computer monitors its performance and when it is out of range your CEL should come on.

So BRAD what ARE you runnin under that hood? i wanna see!

brad4eva · 08-09-2008, 07:26 PM

Go 2 my pictures, its in there

stumpuller454 · 08-09-2008, 08:26 PM

the best way to get great mileage outta that baby is a 2 barrel!

brad4eva · 08-09-2008, 08:31 PM

AFF!!! what kinda gas mileage u think i would get? how much diff betwen 2 barrel and 4 and lets see what all do u think i should do 4 more gas mileage ? hmm what gas should i run in that motor? what about geting that carb adjusted for best gas mileage? wat u think? and wat u think abot my lil project truck xD

heavychevy85 · 08-10-2008, 07:21 AM

actually the two barrel has bigger primaries so ur better off just sticking with a q-jet and lean it out bit u might half to mess with the timing a little bit to get a little more bottem end out of it cuz when you lean a carb out it takes away from your bottom end if you want google it about the two and four i might be wrong

08-08-2008, 10:41 PM	#12
brad4eva Senior Member Join Date: Apr 2008 Location: Tennessee Posts: 331	Well I ment to say i got flowmasters on it, i got headers also. what you mean by carberated? __________________ //B-rad

08-09-2008, 11:07 AM	#14
brad4eva Senior Member Join Date: Apr 2008 Location: Tennessee Posts: 331	Right im not fuel injection anymore. __________________ //B-rad

08-09-2008, 06:56 PM	#16
stumpuller454 Senior Member Join Date: Dec 2007 Location: Really FAR NORTH! Posts: 1,031	i don`t think changing the 02 is going to gain you anything, your computer monitors its performance and when it is out of range your CEL should come on. So BRAD what ARE you runnin under that hood? i wanna see! __________________ Red seal certified Journeyman Automotive Mechanic *Supercharger comming soon!*

08-09-2008, 07:26 PM	#17
brad4eva Senior Member Join Date: Apr 2008 Location: Tennessee Posts: 331	Go 2 my pictures, its in there __________________ //B-rad

08-09-2008, 08:26 PM	#18
stumpuller454 Senior Member Join Date: Dec 2007 Location: Really FAR NORTH! Posts: 1,031	the best way to get great mileage outta that baby is a 2 barrel! __________________ Red seal certified Journeyman Automotive Mechanic *Supercharger comming soon!*

08-08-2008, 10:23 PM	#11
heavychevy85 Senior Member Join Date: May 2008 Location: Muncy, PA Posts: 262	will the motor run any better with the new oxygen sensor(s) adn i was lookiin in to getting the cat-back system from cherry bomb it sounds freakin sick on a 6.0 so it should sound just as good on my 5.3 and the k&n and i was lookin into electric fan(s) will a universal fan work from advanced auto or somthing they run around 87 bucks for one 16 inch fan

08-09-2008, 04:21 PM	#15
heavychevy85 Senior Member Join Date: May 2008 Location: Muncy, PA Posts: 262	well what about the o2 sensor will that help me or just leave it the way it is

08-09-2008, 08:31 PM	#19
brad4eva Senior Member Join Date: Apr 2008 Location: Tennessee Posts: 331	AFF!!! what kinda gas mileage u think i would get? how much diff betwen 2 barrel and 4 and lets see what all do u think i should do 4 more gas mileage ? hmm what gas should i run in that motor? what about geting that carb adjusted for best gas mileage? wat u think? and wat u think abot my lil project truck xD __________________ //B-rad

08-10-2008, 07:21 AM	#20
heavychevy85 Senior Member Join Date: May 2008 Location: Muncy, PA Posts: 262	actually the two barrel has bigger primaries so ur better off just sticking with a q-jet and lean it out bit u might half to mess with the timing a little bit to get a little more bottem end out of it cuz when you lean a carb out it takes away from your bottom end if you want google it about the two and four i might be wrong

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