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-   RSX (https://www.acuraforums.com/forum/rsx-18/)
-   -   how much horsepower boost? (https://www.acuraforums.com/forum/rsx-18/how-much-horsepower-boost-768/)

rsx_1 12-10-2006 03:41 AM

if i was to put on a cold air, exhaust, header and a computer chip how much horsepower would i gain?

RSXcess201 03-02-2007 05:09 AM



If you're lucky, around40 whp.


I dyno'd at 174 whp(200 bhp) stock, and 198 whp with injen cai, dc race header, dc exhaust


I recentlyinstalled kpro and I'm hoping for atleast 215 whp with the dynotune.

Thefong02135 03-02-2007 11:03 AM



yeah i jus bought a 2002 RSX Base... automatic.. .


i got one leg thats why its an automatic. lost in in Ramadi.


can someone tell me how to get this car to 230 HP without turbo kit. nos and super chargers?


like headers.exhaust. cold air..


what else can i do?


blow of valves?


whats the best stuff i can buy?


i have 2000 for mods

RSXcess201 03-03-2007 01:00 AM



230 whp without turbo, in a baseRSX,would cost you around... the same amount, if not more than a turbo. If you had intake/header/exhaust/ecu/cams & valvetrain along with a stroke/bore to 2.2liter w/new pistons, con rods, & crankshaft... You might get 230-250 whp.


That's about $5,000-$8,000 worth of parts. Not including labor.


My suggestion- k24swap (tsx/accord engine) $3000-$5000


it wont put you at 230 whp since you want the automatic version. But with the 2.4 liter engine your performance gains will be much greater. If you had the k24 with intake/header/exhaust/ecu you'd definately be making over 230 whp.


or you could just buy a 100-shot of nitrous. $700


But nitrous is dangerous!


P.S. - A "blow off valve" is part of a turbo kit.Edited by: RSXcess201

Thefong02135 03-05-2007 11:56 PM



hey guy


thanks for the tip...


but i dont wanna do a swap or the turbo kit becuase i hear it will murder the engine. i just want my car to perform better without the turbo but have a better fuel economy?


i dont know what im trying to get at


thanks

AKinDen 03-06-2007 03:02 AM



You can do plenty w/ 2k. but you need a direction. If you Acheive the horsepower you want, what will you do with it? Drag it? take it to a circuit type track? I ask because the performance you want might be achived by suspension and drive train mods.

Thefong02135 03-06-2007 03:46 AM



im not really into racing or anything...


i jus want to have confidence in my car


i want it to be able to maneuvar tight corners and accelerate at a faster rate than the average car.


i live in boston. we need to fight our way through traffic.


i also take trips to Fort meade andthat is 415 miles on the highway... i wanna do that as fast as possible while conserving gas,,,

AKinDen 03-06-2007 10:14 PM

Cool, now I understand. I've never driven a RSX automatic. I'll test drive one this weekend so I can get a feel for the car. I'm thinkin since you live it a metro area that your car needs to pass emissions testing? Major engine upgrades can make passing that test harder.To make the car more nimble and steadythere is always room for improvementon suspension and steering.The type s and r versions of your carhave different/better suspension setups. Also,aftermarketrimsnot only look cool but can be alot lighter which equals less rotating mass.Same with the pulleys in your engine.Let me drive the car and I'll get back to youSat. evening

Thefong02135 03-07-2007 02:02 AM



Really? cool thanks.


ive ordered K N cold air intake and DC headers and DC exhaust system..


where can i find an ECU chip?

Thefong02135 03-07-2007 05:10 AM



when u say suspension...


do u mean struts? sway bars? coil something?


do i need to upgrade all of those things?


could u explain what each part of the suspension system does?

AKinDen 03-11-2007 03:42 PM



Ok, I drove an 02 RSX automatic. The guy at the dealership let me take it out without him so I was able to really mash on it. I thought it handles and corners really well. At this point I would focus all my funds to engine upgrades. the intake and exaust is a great start. As for the ECU, I think Hondata is the best. It's tuneable soevery timeyou getnew parts on, you can take it to someone who can tune it on a dyno to get the max horsepower out of your mods. In a place as large as Boston skilled tuners should be plentyful. Also most cold air intakes don't come with a bypass valve to prevent water from enteringthe engine.So your gonna need to get one(pretty sure K&N makes one). It's called an intake bypass valve, if it gets wet it closes and sucks in air from the engine bay. Good luck! write back and let everyone know how it goes.

topback0110 05-28-2007 09:28 PM

fyi to that guy talkin bout a blow off valve u kinda need a turbo for
that which can be though with v techs to get them timed right.

djvaly 07-19-2007 06:33 PM



which brings me to my question. how much power can the stock A5 tranny and rearend bolt, gears hold in a RSX? can they hold 230flywheel power? also how much power does the base 2003 RSX make? I've been hearing more than 160hp flywheel? did Acura underrated the engines? thanks for the info...

Thefong02135 07-19-2007 09:53 PM

my buddy of mine says stock RSX will have about 163 hp at the crank and about 130 at the wheels.

djvaly 07-19-2007 10:22 PM



cool, how about the other question... stockbase RSX rearend and tranny holds well at 230-240flyweel hp?


I know the type S RSX has improved tranny and suspension so it may help for rearend to hold well upto 270s perhaps...


what do you guys know about this?


because I want to do the bolt ons mods and get my 2003 base RSX to 210-220 so I was wondering if suspension mods are necessary, rearend upgrade (so that the diff and bolt don't get banged up) and if the tranny needs built up too?






Thefong02135 07-19-2007 11:17 PM



dood i dont know.


but does anyone know if i get a NOS system...


would i need to upgrade other parts?

AKinDen 07-29-2007 04:26 PM



ok i'll give it a shot. to djvaleys question, your manual tranny should hold up fine but the strain of an extra 80-100 fwhp will eventually wear it down. This will happen to any tranny, heck engine for that matter. the aftermarket parts to strenghten your base tranny (non type-S)do not appear to beas plentyful as the type-s platform. your suspension and drivetrainwill handle the increased power but again will wear prematurely(the constant cost of MO power[img]smileys/smiley1.gif[/img]). As to the rear end question I'm a little confused because the RSX is front wheel drive. do you mean strain on the rear do to hard launching while drag racing? Just curious as to your plan to achive 230 fwhp?


now to the fongs question. You should be able to add a 40-50 shot with no major parts upgrades. the rule of thumb I heard was retard cam timing 1 degree for every 50 shot. How are you doing? have you put on the intake and exaust yet? does the car feel different? hope you are doing well.[img]smileys/smiley1.gif[/img]

soccer_86 08-31-2007 08:33 PM



rsxess.. a k24 engine doesnt give out 240hp..





i have a crv 05 with an intake im running arund 170hp 170tq.. so i dont understand if hyur talking bout the v6 accord instead..

soccer_86 08-31-2007 08:35 PM

all hondas/acurras are a bit underrated...

acuralegend 08-31-2007 09:28 PM

w0ow this is a old topic.



fun 1 as well



all mods will cost you. more than money.

they also will cost you dependability,comfort



pop off valves are used to release boosted pressures when they are
presend but no longer needed. superchargers, turbos, and high
flow ram air all use them.



turbos and superchargers can go the distance if built right many
manufactures make them in production vehicles that last well over 100k.



a turbo COULD give you better fuel milage if you dont romp on it all that often. (the 1 advantage to turbo lag).



if a turbo/supercharger is placed in a stock motor and limited to 5
pounds of boost a 35-55 hp gain should be expected with little to no
extra wear and tear. and could last 100k easy.



Nos is fun and is just as dangerous as anything else.

over do the boost on a turbo/supercharger that doesnt have the fuel to
match it and you will blow holes in your pistons just as fast.



Want something fun try a liquid oxygen system. (that will kill you if you dont respect it fully)



LoX rocks.

ever try hydro injection?

it works well with alcy too :)





migz 10-17-2007 10:08 PM



whats up, im danny and i have a k20a3 05 rsx 5 speed. what would be a good set up for it? i heard vafc neo is pretty good.. right now all i hav is a fujita cai.. planning on getting skunk2 exhaust and dc5 headers.. then the neo... then maybe a stroker kit.. im not really sure on what to do next.. pls help.


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