More HP... help

[salomon4fifty]

Sup y'all,
Got a '95 J30 and a heavy right foot. I'm thinking about doing something to my car to increase my acceleration, but not empty my pockets at the gas station... still in college. I use octane boosters to compensate, but it isn't enough. Anyone have any suggestions? Intake, Computer, Exhaust, etc.??? Appreciate it!

[Nahkapohjola]

Originally Posted by salomon4fifty

Sup y'all,
Got a '95 J30 and a heavy right foot. I'm thinking about doing something to my car to increase my acceleration, but not empty my pockets at the gas station... still in college. I use octane boosters to compensate, but it isn't enough. Anyone have any suggestions? Intake, Computer, Exhaust, etc.??? Appreciate it!

Law of Physics:
heavy right foot = empty pockets at the gas station

Stock intakes typically are restricted to get noise level down and also to restrict horsepower to be freed on next year model.... There are quite a lot to do with bare hands and thin king. Usually most restrictive is the first intake tube part before filter. Cheapest way is to drill 4-6 one inch holes to the filter box before filter and duplicate the flow capacity. (glue some ? foam inside the box walls to dampen)

Then open all intake parts to maximum diameter, first measure and calculate how many square mm you have in each part upt to the valves... The parts are manufactured in big series and they define what they are... In quite many cars the intake system capacity varies along the way up to 30%. Streamline all... All extra notches, angles, curves, meshes - off. Resonator; close off.

Better filter assy, more flow. (CAI, waste of money)

Better spark plugs.

Ignition advance 2-5 degrees if you use higher octane often boosts pwr, depends on engine.

Next things need money:

New Cam.

Lower heads.

Exhaust, seek what u can have.

For Real power and blown tranny, empty pockets, towing on higway - buy turbo.

...Octane boosters? Boost the magic sellers account...


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I once read of a tuner who tuned his camaro? only by cutting the exhaust pipe lenght using dyno and got 25% more hp on the rpm he wanted. This tells that the car is a system - when touching one part effects another. Opening intake gives power on higher revs, but takes torque on low revs etc... and is balanced with exhaust.