I'm fixing it up right now, with new rear lights, head lights, and a new exhauet, i am pretty happy with the engine right now i just want a little extra.
2007-02-28 17:55:15 · 8 answers · asked by Anonymous in Cars & Transportation ➔ Car Makes ➔ Nissan
32 hp from a cold air intake?!?! i want this intake!
i got 8 from mine... i have never in my life heard of someone that got 32 hp from a cai!
ok, hes nuts.
also.... $225 for an intake!? good god man, you got screwed.
do this. go to menards and buy a 3 inch outdoor aluminum light post, take it to a muffler shop and have them bend it to the correct shape... theres your cai for under $40, and after you get done sanding and polishing it, you would think that it cost $200.
the cheapest thing do to would be to dump everything you dont need.. get rid of the jack and spare, get rid of the seats and carpet, if you have an automatic, dump the cruise control.
Thats the cheapest way..
the next thing would be to keep your engine cool.... so buy some thottle body spacers and phenolic intake spacers.
they are around $40 and on mine, i got 13 hp (which is amazing for the price) from the phenos, and 4 hp from the tb spacers.
the next cheapest thing would be spark plugs and high performance wires-$60 total
upgreaded fuel injectors-$100 give or take
then you move on to a high flow cat convertor-$80 (assuming you got a cat back exhaust)
theres a start.
2007-02-28 18:21:22 · answer #1 · answered by Anonymous · 1⤊ 0⤋
(The getting more dirt particles sucked in thing, as mentioned by the previous poster, is grossly untrue.)
The general starting place to squeezing more performance out of an engine is to just make it breath better. Stock air intakes and exhausts are restrictive, designed for better fuel efficiency and better emissions... and also to keep the car cheap...
The three best things you can do, in order.
1 - New air-intake kit... Anything that gives you a cone filter with some kind of aluminum piping, not necessarily "cold air" persay, but something that flows with less restriction. With more air getting in, air/fuel can be mixed more quickly, resulting in a few more horsepower. Estimates of 10 to 15 horsepower are greatly exaggerated... it's really more like 5. (cost: $20 - $120, roughly)
2 - Cat-back exhaust. This is a new set of exhaust pipes and a less-restrictive muffler that will not only reduce BACKPRESSURE (the operative word in the exhaust world), but give your ride that cliche "rice burner" sound. These can often be installed yourself with some simple hand tools, again, maybe another 5 to 10 horsepower increase. (cost: $170-$220)
3 - Performance header. This is the other half of your exhaust... the exhaust component that comes BEFORE the catalytic converter. For this you'll probably want your car to spend some time in a shop, just saying. Depending on the exact specifications of the engine, you can get between 5 and 12 more horsepower out of a mod like this. (cost: $200-$300)
Finally, it helps to keep your oil in check...dirty oil can rob performance, as can dirty spark plugs. Regular maintenance is essential.
Also, it might be worth your while to look into platinum spark plugs and synthetic oil... Some people have noticed performance 'increases' from such simple modifications, but it's possibly just a placebo effect.
2007-03-01 05:10:14 · answer #2 · answered by Matt L 2 · 1⤊ 0⤋
get a cold air intake kit. that will boost you around 10 or more hp.
change headers, get a performance exhaust, and a performance chip. the altima I4 is pretty fast it got like 175 hp, with these improvements you might move that up to 200hp. If u want faster, i know the 2003 V6 altima got 240 hp.
2007-03-01 02:03:43 · answer #3 · answered by SUPERMAN 4 · 0⤊ 1⤋
Cold air intake - Approximately 25 more HP - cost $225
K&N replacement air filter - 5 to 7 more HP - $50
Don't know if it's true but I hear that synthetic motor oil makes the engine run better and cooler.
2007-03-01 02:02:00 · answer #4 · answered by seperationistsanxiety 1 · 0⤊ 1⤋
Not too sure but avoid the K&N air filter or anything like it because more air flow means most dust and similar particles are passing through it as opposed to an ordinary filter.
2007-03-01 02:23:13 · answer #5 · answered by linkinparkchic 3 · 0⤊ 0⤋
basic engine mods should be..
Get a better air filter..change the exhaust and finally get a piggyback ECU unit to tune up the engine.. try APEXi S-AFC or GReedy E-manage.. That should do it..
(p/s piggyback ECU is much cheaper than a Stand-alone ECU)
2007-03-01 02:06:41 · answer #6 · answered by theblues79 3 · 0⤊ 1⤋
stop waisting your time....that jap hunk of junque will not stand the pressure of high performance for more than 40,000 miles before major engine repairs.......leave it the way it is and it might last a while
2007-03-01 02:15:02 · answer #7 · answered by Anonymous · 0⤊ 0⤋
buy a car with the little extra horsepower.
2007-03-01 01:59:35 · answer #8 · answered by ButwhatdoIno? 6 · 1⤊ 0⤋