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Losing weight, either you or the car. It’s doesn’t just boost your acceleration and fuel economy, but your cornering and braking as well.
Define “effective”.
What do you want the mod to do for you? Increased horsepower, increased torque, increased fuel economy, increased engine life, reliability and durability?
Which engine are you wanting to modify?
Ok, to define effective, im looking for increased power in my 1996 honda accord with an F22b2 in it. Im thinking home depot intake and performance air filter and 2 inch exhaust. Yes losing weight does help but if you watch MCM’s video how to make your slow car fast, they cut the roof off and gutted the car. Increased power keeping practicality.
when it comes to engine power there really is no such thing as cheep, real gains in power come from increasing compression, increasing air flow to the engine via cams or intakes and heads so you can add more fuel, or forced induction, re tuning or replacing the PCM to allow the engine to put out more power… Nitrous oxide injection.
If i really wanted to go fast with my Grand Prix for example, i would have to either get the supercharged engine or go Turbo, i already have a K&N Cold air intakes, wires, pullies, muffler… but those are minor things, and at most i have gained maybe 20HP if that at all. Then if i install a turbo or a supercharged engine i better install a cooling system efficient enough to cool the engine off, a bigger radiator! then can the transmission handle the increase in torque, then…. once you cross a certain power range now you have to start building up the bottom end.
My question is why bother?
It’s a 20 year-old family car with a 4 cylinder engine. Use it the way it was intended to be used and enjoy it for what it is. If you aren’t happy with that, you aren’t driving the right car for you.
[quote=”Evil-i” post=148819]My question is why bother?
It’s a 20 year-old family car with a 4 cylinder engine. Use it the way it was intended to be used and enjoy it for what it is. If you aren’t happy with that, you aren’t driving the right car for you.[/quote]
This. You can either take this advise now, or spend thousands of dollars and a lot of time and effort and come up with this conclusion later.
[quote=”Autowonderland” post=148655]Hey guys, what is the most effective engine mod that’s free or cheap?[/quote]
Be a smart driver; accelerate moderately, coast to a red light, do not tailgate and be courteous to other drivers.
While not free or necessarily cheap, the most effective thing you can do is to stay on top of your vehicle’s maintenance and keep it running to as close to “new” as possible. This includes everything, from engine and transmission, driveshafts/axles, suspension, steering, brakes, tires, body and electrical systems.
The most efficient way to make power? Cam swap or a NOS. Neither is very simple on a car with OBD II. I know that’s not very helpful, but the other guys who commented that this is not the car to be doing this with are right. If this is your daily, I would leave it stock. If you are trying to be different simply for the sake of it, go right ahead. I wouldn’t stop you. I don’t think that a 4 banger Honda Accord is the way to go if you are going to modify a car. I am not knocking Hondas or any foreign make for that matter. Honda builds a bulletproof 4 cylinder motor. I once had a Toyota Matrix that I wanted to turbo. Once I found out how expensive those mods were I let that dream go real fast. It was $4k for a whole turbo kit with a tune. Too rich for my blood.
Give it a full service , new plugs , filters , leads , you’ll be surprised what just maintenance can do
Not exactly true there, yes OBD2 can be a pain in the ass and expensive but if you have a make and model of car that also used the same engine in a OBDO then you can do an ECU/Harness Swap to get the old school features. I speak from years of racing experience. One thing that can help out allot is not your fart can and PVC intake lol, but rather something as simple as a oil catch can. Gas cars have some engineering involved where they use the similar idea of an EGR valve minus the fact its not coming from the exhaust but the valve cover. As you drive oil gets contaminated by the gas in the combustion cycle and gets re-routed to your intake manifold to burn off the contaminates but its not a fool proof design as they also get into your oil sump thus working threw the system. Clean lubrication is always the best, not only will bearings, valves and sleeves do much better off but over the life of the oil, your engine will perform better… just an idea…
The cheapest way to make that car faster? Sincerely is to get rid of it. Sell it on Craigslist to a family that wants a reliable family car because that’s what it is, and buy yourself a cheap sports car. Trust me. I used to own a 2007 Chevy Cobalt and I priced out making it fast, and for around 4K I could make around 265 HP. So instead I sold it for 4K and bought a 1994 Pontiac Trans Am with 50k original miles with around 280 HP stock. The difference is this trans am was build for the power from the bottom up. I have plenty of power and I don’t have to worry about it breaking because it came out of the factory with the power it has now. Don’t waste your money or time on a car that was never intended to be fast. Without big bucks it will never be fast.
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If you want to go the cheap route look on ebay for intake and full exhaust. Intakes on there usually run from $35-150. You can find a full exhaust system for around $180 but i wouldnt trust a full exhaust kit for the same price as my intake on my car.
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