2008 F150 SCREW K&N Intake
#13
Senior Member
Well - the exhaust Makes a louder noise when you open the pipe to 3" and change the muffler size and restriction that could be a volume increase in noise!!!!
A cup is a cup and holds no more!! but we are not trying to fill the piston bore with fuel. we are trying to balance the air to fuel ratio. there is plenty of room for more fuel and an adjusted amount of oxygen in the air to create combustion
So What Volume of air? Volume of Fuel?
I have seem many of smaller engines beat many of larger engines Volume again?
It is all in the way the engine is designed to handle excees amounts of fuel and air that can be added and still the cup isn't full
Timing, Flow duration, Restriction,
What the heck? some of us just want to pull the heavy trailer up the grade at 55 or faster and not 45
some of us want to get throught the mud bog and not get stuck
Some of us just want what we want!!!!!!!!!
I make mistakes all the time but I learn and move forward.
My Stuff ends up running good and doing what I expect. The vehicles I own always get my personal touch.
I enjoy the changes.
Last edited by SinCityFX4; 03-10-2009 at 01:07 AM.
#14
Senior Member
I have a friend that can turn a simple subject about a cold air intake system into a discussion about theory and how molecular whatever works.
I saw him at the sand drags. One day in the dunes. I took my modified three wheeler (shown in my profile) and kicked his butt by at least 12 -15 bike lengths. no theary in that - just fact and sand in his face.
I increased air flow with a K&N then too!
I saw him at the sand drags. One day in the dunes. I took my modified three wheeler (shown in my profile) and kicked his butt by at least 12 -15 bike lengths. no theary in that - just fact and sand in his face.
I increased air flow with a K&N then too!
Last edited by Larryw1; 03-10-2009 at 12:17 AM.
#16
Senior Member
thanks that was 1980
I was king of the hill for 3 years
( Glamis Competition hill )
I was king of the hill for 3 years
( Glamis Competition hill )
#20
People say without a tune the air intake can cause the engine to run lean - too much oxygen compared to fuel. At higher altitudes, the air is thinner so for a given mass flow you are getting less oxygen - possibly running rich. Adding a CAI that might have caused it to run lean at times at a lower altitude may, at a higher altitude, allow enough airflow for the engine to run as it would have at a lower altitude generating similar power instead of less due to altitude.