Horsepower increase

Is there a safe way to add a small amount of horsepower to a stock engine? I've heard a cold air intake will add a bit of horsepower but will it have any negative effects? Anything else? Price or difficulty isn't an issue but i'd like to avoid turbos or superchargers.

 

You can add a little bit of power but nothing you will really be able to feel unless you go big with a supercharger.

 

Skip the cold air intake. Go here instead. http://www.lcengineering.com/

 

you mean WARM air intake? Most of those stupid air intakes are not pulling any cold air from outside, but instead are pulling warm air from your engine bay. Your stock setup is more of a CAI than a "CAI".

Weight reduction will help significantly. Or get a supercharger.
Even a basic tune-up on a maintenance-neglected truck will net you a few horses (like cleaning your MAF sensor, throttle body, replacing spark plugs/wires, etc)

 

The Volant with the scoop is a true cai.

 

Get a V6...i'm on a 2.7 4 banger but don't mind the lack of hp, knew that when i got it. Don't ruin your engine and waste all your $ on cold air intakes and super/turbo chargers. Unless you like constant tweaking and repairs and MAF problems.

 

Best thing you can do for the 4cyl without going forced induction

 

Pretty much all the bolt on in the world might net you 1 or 2 hp combined and you'll spend thousands to get it. And that extra oomph will exist under full throttle for about 1/50th of a second and be completely unnoticeable. In all those claims of "up to 15hp" people always focus on 15, forget that 0 is in there as well.

 

Can you send me a link where I could buy this?

 

See post #3

 

I did 3 things and noticed a good performance upgrade.

- Intake
- Installed electric fans and ditched the Fan Clutch
- headers

Running 2.7L 4cyl and works good to be 4cyl.