jimmynguyen114

sorrie i know there must have been tons of threads about this but im wondering if theres any update on opinions and options about getting to 250hp N/A on the s4 GTU. All responses and opinions will be greatly appreciated.....yess i am soo nooby i just love the purr of my 7 though...only my 2nd car and i love this thing....just lookin for a lil more power to get around corners easier...help a nooby?

Brody8877

iTrader: (10)

Porting engine
Upgrade injectors
Fuel pump
fuel lines
intake -CAI
exhaust - headers, presilencer instead of a cat, cat back or full exhaust for n/a
Fuel computer or remapped ECU or even haltek ECU
Ignition timing
S5 UIM, if possible
maybe FPR

but im not sure will it 250rwhp.

these are just ideas but would not be within your 1000 - 2000range

KeloidJonesJr.

iTrader: (8)

Man, you're just better off going turbo and upgrading it. Unless you wanna port

jimmynguyen114

i hear going turbo is a whole butt-load of work and experience and not to mention money.....what brody said is looking okay and i hav a couple questions and im not to savvy with the lingo here yet hahah


whats S5 UIM and FPR??

and thanks for the suggestions Brody

RotaryEvolution

iTrader: (30)

you won't be able to do it unless you went with a hugely radical port and tons of supporting mods. the rebuild alone is over your budget. sorry to say but it isn't feasable.

turbo is your bet but that also is over your price range.

jimmynguyen114

so as a first step would you recommend getting Racing Beat's Full Exhaust Set-up for N/A's
(headers---blah blah----mufflers) cold air intake and the haltek ecu maybe? i wouldn't really know wut to do with the ECU though...(no knowledge of ECU tuning =x) Porting sounds costly for me for now...

RotaryEvolution

iTrader: (30)

IMO, it sounds like you want power. if i were in your shoes try to get as much out of your current car and use the extra cash you have to buy a TII. a few mods to even a stock TII can put you in the power range you are looking for.

rx7b13

i agree with Karack, turbo is the easiest and cheapest way. im in the process of making my n/a a monster but the problem is it costs money. i like turbo's and stuff, they sound cool but they arent for me... and no nitrous

reatrdedspleen

I think reaching that 250hp goal will be very hard to do with your price range.

But, heres some good info on people doing it. A lot of good info!

https://www.rx7club.com/showthread.p...2&page=1&pp=15

https://www.rx7club.com/2nd-gen-archive-72/how-make-beefy-n-need-your-recommendations-31410/


A lot of people ask almost the same question as you. wanting to make lots of power out of the NA, for this i recomend this link...a lot!

https://www.rx7club.com/search.php?forumid=17

hope this helps a little!

Madrx7racer

search for BEEFY NA

Lucky13

ive done almost everything mentioned, but i would be surprised if i hit anything over 200 rwhp -.-

next mod is going to be porting the S5 uim/lim i picked up, maybe even convert the ports to electric activation =/ haha

rotorforce

250rwp on an n/a? *scratches his head*

You can save up for a stock TII and then with one upgrade (the racing beat exhaust system ans fcd) get 259hp.

Man this one is a no brainer...

classicauto

iTrader: (3)

show me a dyno of a stock TII with exhaust and fuel cut defender that gets 260 to the wheels

Im calling BS on that one


edit: the S5 TII is 200 BRAKE hp....so ~ 170-180 to the ground...therefore you are suggesting that these two mods raise the output of the motor by approx. 67%???

rotorforce

Wow this editing is getting old fast.

I did not say it was whp as I know they are talking in terms of bhp.

Here's the breakdown:

s4 239BHP
s5 259BHP

And this is Racingbeat's claim not mine.

If I didn't let my neighbor use my dynamometer and he didn't break it I would show you the dyno sheet. (Incase you didn't notice that last sentence was a joke)

bigdaddyp

I wouldnt worry about getting to 250 hp, these cars are still quick with less hp because they dont weigh much. But if you wanted to get around 250 I would just get a full exhaust, an intake, a fuel pump, fuel pressure regulator, 100hp shot of nitrous, and that should get you near 250 anyways. It wont be NA but it will probably be cheapest route, and well within 1000-2000 moneys. I would also get it dyno tuned, just to be safe.

Madrx7racer

yup yup..................my fiancee's NA has 150 RWHP and it is quick.............can't compare to my Tii but it still picks up nicely.............seriously though, if you want to see an NA with 200+ Hp check out the Beefy NA thread.

classicauto

iTrader: (3)

And ractive "claims" their honda CAI's add 20-25 hp.....

classicauto

iTrader: (3)

There's your answer my friend...wetshot

Stock 150hp + 100 N20 = 250.....dun dun dun...

Horsepower on demand

rotorforce

LOL good point.

Madrx7racer

but the intake does not free up backpressure which increases the boost..............slight difference......apples and oranges.........rice and soy sauce.

Juiceh

iTrader: (4)

RB's claim is actually dyno proven though. Seen the sheets somewhere but I am too lazy to look now.

Madrx7racer

but that's taking into consideration (2) 10HP stickers.......

rotorforce

devdog1one

If I remember right, RB only recommended the header for carbed applications.

I had the Holley kit and header pror to going turbo.

Michael

reatrdedspleen

the second link is Beefy NA thread.... searching, and reading is ALL you have to do. If you can imagine it, chances are somebodies already thought of it and posted about it.