Just a ballpark on the figure? 5k, 10k, 15k, 20k?

And whats a rough dyno figure. I am looking to do a upgrade. I have a CBR600, and after riding that for a little while, the g just doesn't have enough oomph anymore. I have a 5at, 06'. It seems to lack at the 60ft. If i launch from a dead stop its like bleh, cant break traction during whole launch. But if i roll to like 5, 10mph it burns through 1st and 2nd.

I wanted to do most of the bottom end; crank, rods, heads, gaskets, saw a kit on ebay a brian crower stroker kit. I also wanted to cam it out a bit more, maybe closer to 7.5k remove the governor, also do the valves, and vale train to make it more stable. Furthermore do a Stillen SC stage 3 or 4. Although only saw lvl 2 and 3 listed for my exact trim.

I am looking for close to 400 rwhp, and close to 390 torque. Will I achieve that? Who should I specifically talk to? I really need some guidance on how to tackle this. I want reliability, with added power on both high and low end. I am tired of shifting with the auto and having peak power for like a second than the governor kicking in and kicking my *****.

Sorry to jack the thread. In my mind I have set about 20k for the listed upgrades. There are other upgrades I believe is needed, just not all listed. Fuel pump, injectors, ignition system maybe. Most likely not terribly needed.

 

^Forget Stillen, go Vortech.

 

The Stillen SC for VQ37 is amazing. But youre correct, it is worthless on VQ35.

 

I understand the Vortech SC will produce more power in the long run; as will a single or turbo setup. I am looking for more instantaneous power, and more power at all rpm ranges. based on information I have seen the vortech is a centrifugal SC, and as such has smooth power gains, but will do more power at the top end than a roots stillen SC. Too bad there isn't a twin screw sc for the g. Alot better option. is it acheivable to have 400rwhp on a stillen? and not have to watch the gauges more than driving?

 

JWT 530BB twin turbo kit builds almost as much power in lower rpms as Stillen SC by the way. And builds alot more in higher rpms. Stillen SC starts to build power around 2000rpm, JWT starts to build power around 2800rpm.

No 400hp with stillen isnt obtainable. Stage 3 is usually only good for ~300whp, Stage 4 maxed ~320-340whp. I installed the Stillen stage 2 on my first 04 G35, huge mistake. A lot of money and nearly no gains (dynoed at 280whp). My stock G37 dynoed higher.

 

Stillen stage 2 vs stock dyno
It is in NM. That converts to 180 ft-lbs torque at 3k rpm



This is JWT 530BB kit
You can see that it starts building power low like Stillen and as smoot. By 3k rpm, it has already built more tq than Stillen but doesnt build slow like Stillen. It just keep building more.

 

You're on the right path but, I'd either go with a Vortec SC or a turbo setup. Since you have an automatic, I'd upgrade the torque convertor and the transmission as well. I'd never compare the speed of my G to a bike. The speed of the bike will always win making the G seem slow. I'd also look into a transgo shift kit.

 

Is it possible to have a two stage turbo kit? a fairly small turbo, and a medium turbo, for lagless spool? I assume I will still have surgier power delivery as the medium sized turbo will still provide greater boost, or can that be tuned out with turbo tuning?

For 20k, will I be in budget for 400rwhp? And have a DD, reliable car?

 

Building your motor correctly should help a little with the turbo lag. GTM performance has a rotex supercharger system that should have no problem getting you where you want to be as far as horsepower goes. 400rwhp is easily attainable with a properly built motor and tranny although with an automatic I wouldn't go over 500rwhp but, why would you need to with a daily driver. I would also look into a aluminum or carbon fiber drive shaft and a racelogic traction control system. I don't think the factory system can handle 500rwhp. Remember G's aren't quarter mile cars but, thay do quite well on a road course. Before you start your build ask yourself what kind of car you want to build and go from there.

 

Misread your post. Anything is possible with enough money and custom fabrication.

 

Well, I brought the car home today. There is a base map in there and I have to break in the motor. After that, time to go on the dyno and get fully tuned and to turn up the boost! I can't wait!

 

Congrats, sounds like fun

 

That couldn't be more wrong. Building a motor does the exact opposite. Building a low compression turbo motor actually increases turbo lag. Also porting heads and increasing valve size, reduces exhaust velocity and increases turbo lag.

The only ways to decrease turbo lag would be smaller turbo, increase compression ratio, nitrous, shorter headers, recirc valve, or an anti lag system.