5.7LRX7

I dont wanna tear into my motor really. so i was saying its a 00 ls1 out of a ss camaro.. completely stock.

I will be putting full lengeth headers and 3" dual exhaust
a fast x 92mm intake and tb
1.8ratio roller rockers.

thats all i will be doing for performance after getting it tuned what kind of power at the wheels could i be looking at getting honestly? its a t56 tranny also.. would it be around 360-370whp?? or less?

im just not looking into doing a head and cam swap just yet! i wanna see what i can get with normal bolt ons first..

badazz99ta

iTrader: (13)

I think it would be pretty close. maybe around 350. that intake/tb combo will help ya out a lot. and in turn, so will the headers and exhaust. well when do u plan on getting some #s put down.

johnLs1camaro

iTrader: (28)

i wouldnt be surprized if it hit 360..its all about the tune!!

5.7LRX7

i havent got it together yet.. there just parts i have layin in my shelf waiting to be put on. :-) been thinking about a ls6 cam and valvetrain too but id rather see what this comes up with first.. i really dont wanna tear into the engine.. and my ultimate goal is 380whp anyways so im not going to be far off while using a stock cam i dont think.. the ls6 cam will prob put me right at my mark or darn close to it.

5.7LRX7

plus that this is in a 94 rx7 which weighs 2800 pounds with the motor lol.. so 380hp at the wheels is a deep 11 second car if it tractions up too i love my FD with the camaro powerplant!

FlashLCD33

iTrader: (8)

brand of headers is going to be a big deal.. pacesetters compared to Kooks is a big difference lol.

5.7LRX7

lol its brian hinsons from hinson supercars his full header exhaust setup its dual 3" to a single 3.5" exhaust!

toneloc60

iTrader: (7)

Define "big difference" and then please show me dyno results that would support that claim.

I wouldn't bet on anything more than 10-15rwhp difference across the lineup of all longtubes with the same primary tube diameters.

johnLs1camaro

iTrader: (28)

^ yeah they did i similar dyno with the difference and i cant remember but it was like 10 hp on a stock engine with a fast 90/90, but that was a 1 3/4 pace vs. a kooks 1 7/8 let alone the kooks cost more anyways...so i dont see that big of a difference

mike#9

iTrader: (3)

I would say that the rockers are a waste of money. And the intake is ridiculous overkill, and a waste of money as well. There are many other things to give you better power and better seat of the pants feel then the mods that you have listed.

Just my $.02

5.7LRX7

then please tell me about these mods you speak of?

tatasta

iTrader: (24)

1.8 or 1.85 rockers are a waste. They won't net you that much power and when you want to do a cam, you generally won't be able to use them on an aggressive lobe. That is why those are a waste.
A FAST intake and tb are a waste, for now, since first your heads can't flow the air the FAST is capable of and second your cam doesn't have the lift or duration to pack the air in. An LS6 intake is a great intake unless you are 450 rwhp +.

You asked for advice and unfortunately, some people are pretty "rude". They are because all of these posts have been done over and over and over and over and over.... The answers are all here. You just have to read. People don't like to spend their time if you aren't willing to use yours researching.

So. Good mods for you?
Long tube headers, LS6 intake (don't remember if 2000s had them), gears, stall (if you were an automatic), underdrive pulley, good tune, good exhaust, nitrous, suspension, etc.

All will pay off more than a $1200 FAST setup, rockers?... Don't bother. I wasted ~ $400 on SLP's that I had to sell for less than half since they would not work with my cam. My advice is just do a cam and intake if you don't already have an LS6. ******* valve springs in the car are worse than a cam so might as well do both.

Other advice???? Read, read, read. You will end up with a better setup for less $$$$$. Period

johnLs1camaro

iTrader: (28)

yeah a 1.7 rocker would be better, but they are not a waste at all...

SOMbitch

iTrader: (8)

I agree on the LS6 IM. Pick one up here in the $350 range and port your TB and save some serious coin. Unless you are running a good sized cam and spinning 6300+ your gains will be marginal or nonexistant IMO.

5.7LRX7

well just remember guys im not in a camaro or anything.. im in a 94 rx7.. my gears are stock 4.10's

as for the motor mods themselfs.. ill take your advice and just do a LS6 intake and ported tb.. cheaper is always better in my mind.. maybe do patriot heads, and a mild cam with my full exhaust and headers.. should be 400hp at the wheels.. while still being extremely driveable! near stock feel until u romp on it!

00pooterSS

iTrader: (40)

Your gears and what car that motor is going into has nothing to do with what they are saying, I agree 1000 percent about the FAST intake being overkill and the 1.8's being a bad idea, get a mild cam ( if you want mild ) an LS6 intake and you will have spent half the money and got twice the gain in RWHP.

1Bad00SS

iTrader: (2)

We have a couple guys near me in the 360s range with the fast 90 on bolt on cars. I say the rockers are a waste, you'll likely need to change the valve springs with the 1.8s, I'd stay stock there. The 90/90 is only worth about 10whp with a bolt on car, and get the car tuned with an 85mm maf as well if you want to squeeze every last ounce of power out of it. Get an u/d pulley as well.

Summerwolf

iTrader: (3)

04 GTO with headers and a SLP exhaust and a nice cold air intake, I dyno'd high 350s in HP and High 340s in torque (356, 348)

You can get to 400 no problem on these motors.....

5.7LRX7

awesome! hmm which cam is a good street mild cam i can order from summit? that i can use to hit 380-400whp with a ls6 intake and all those bolt ons we mentioned earlier.. stock heads tho guys..

00pooterSS

iTrader: (40)

The 228 duration cams are the latest big hit to get near 400 and have good street manners and a broad power band.