^ might as well sign up to run TT for April even if you're going to be on street tires. You'll get points toward the season and seat time is about the same. You won't hold anyone up since you'll be faster than the e30s and miata. We need 20 entries to get our own session. And we could use more entries for contingency.

The R6 will last longer than A6 for sure, but if you're serious about competion, then A6 is the only way to go cause theres no penalty running them. most who run A6 only do 2-3 hot laps and come in, so you shouldnt use them if you want seat time.

 

I'm already registered for the DE, not too worried about points for the season at this point anyway. I definitely plan on A6s eventually, just figured the R6s might give me more lap time, which at this point is probably a good thing.

 

there will be a pretty big delta between R6's and street tires. I made the transition last year from 255 Z1's/RS3's to used 285 A6's for a few TT events and it took a while to get comfortable with the increase grip. I know I left a lot of time on the table too just cause I couldn't get to the limit of traction in the few shessions I ran with them. If you're going to do TT then I think its wise to get as much seat time on the tires you'll be competing on that you can.

I also agree with Honda-guy, that you should run TT and get season points. You never know where that will land you at the end of the year... attendance matters!

 

This is a great thread. Wish I had the funds to do this stuff. You all must have sooo much fun doing this on the weekends. I wouldnt mind just being on the pit crew I was on the fence about which way to go on my setup in the near future and this thread has convinced me the bbk full ported is the way to go. Seems to make great numbers and has taken a lot of abuse and is still going strong. Good luck in your upcoming races and stay safe out there!

 

I will say that there are a lot of things I would have done differently if I had it to do from scratch. I hadn't intended to make a stripped out race car when I got this car, it was intended to be a fun street car. One track day cured me of that notion and I quickly got addicted.

You don't need crazy funds to do this type of racing. Seriously, go buy a Miata. People had told me that a long time ago and I wish I had listened. Buy a Miata and sign up for the next track day in your area. Put on some better pads and fluids, go have a blast. You will be addicted, but tracking a Miata is hilariously cheap compared to a car like the Evo.

In the end going fast costs money, and its not a linear expansion of cost. It's exponential. People don't realize how expensive Evo's can be to track, even stock they aren't cheap, once you start adding power, aero, and suspension the cost skyrockets.

There is also the learning factor. My driving coach told me the three things you want to avoid when learning to drive fast:

1) Too much power
2) AWD
3) Turbo cars

I learned with all three and he was right, its a lot harder. I highly encourage you to do a track day with your stock turbo FIRST. See how much fun it is, you may want to invest the money in track days/consumables instead of upgraded engine bits. It's a cascading thing too, because you upgrade the car for more power, but now you need upgraded brakes, suspension, aero. You are travelling at insane speeds so you need safety gear like a cage, HANS device, and fire suit. The car is eating brakes and tires like Pac Man on steroids, and drinking fuel like mad. That's what makes this type of thing expensive.

If I had it to do over again, I might have left the Evo lightly modded for a lower class like TTA instead of TT2 or TT1. Then again... maybe not. I'm a power/speed junkie, so I've never been able to say no to more more more.

 

Also, I'll post some pictures soon, but I have the car back, I'm breaking the new motor in now. It's beastly so far, I can't wait to get this thing tuned. Tuning is scheduled for Tuesday, so I'll be posting up dyno sheets then.

 

I'll try and post the dyno sheet later today, but the car got tuned yesterday. It was insanely hot in the shop (100 degrees) during the tune which definitely affected the numbers negatively. Additionally the new larger turbo (BBK-3B) is really optimized for higher boost pressures than I could generate on pump gas. I hit slightly higher peak numbers than my BBK-Full on pump gas, but lower torque and lost a tiny bit of spool (~200-300 rpms). I was able to run low boost, around 22 lbs to hit my TT2 target easily which was great. The turbo really woke up when it saw some E85 and 31 psi and even in the heat hit 505 whp/400 wtq on pull after pull. My tuner couldn't get the car to hold much more boost, either as a result of my somewhat crappy intercooler design, or the internal wastegate of the turbo holding back flow.

E85 is f*cking magical. I never want to run on pump again haha. The car is so much smoother and more powerful on E85, I'm addicted. I filled up the tank and 20 gallons in VP jugs today so I can blast around getting used to the car. I'll probably run some autocross with PCA on the E85 tune for giggles this Saturday. I will say, 500+ whp is... so damn fast.

 

****ty cell phone picture of one of the E85 runs.

 

If you want to open it up a little more, there are events at FedEx both days this weekend

 

Yeah, its looking like I won't be able to do PCA either, going to have to go into work.

 

So you said the bbk BBB spool 200-300 rpm slower than bbk full jb?

 

Yup. I'll try and get an overlay between my pump gas tunes. It's not an apples to apples comparison because there was nearly a 30 degree temp difference between the two tunes. We had a few issues with the 3B as the wastegate was coming open early, the preload had to be adjusted, but it was pretty close to max so it was tightened down as tight as it could go and the torque shape seems to be about right now. I haven't been running around with the car on pump right now, because its running on the E85 tune that I'm totally addicted to.

E85 is freaking crack cocaine. I love everything about it. It smells wonderful, the car runs so smoothly on it, the power is crazy. The car just RIPS through the gears. It's probably too much power for the track without considerably more aero than I have, but god it's fun.

 

I drove my friends car on e85 at Lightning last year, on stock turbo. Use almost the whole tank in one session, lol. The torque comes in very quick.

You'll feel a big difference in transient response on the track with ball bearing vs jb.

 

Yeah for sure, the turbo on the street at least feels exactly the same as the BBK-Full, but obviously with another 60 whp. It feels like it comes on exactly as quick and actually feels like it maintains boost better between shifts. Overall I'm really happy, but I haven't gotten too much time with it yet. I'll be back on 93 for NJMP because I can't bring enough E85 for a DE, the car does suck down the stuff. I could actually watch my fuel gauge drop when I was cruising back from the shop.

 

Also one thing to keep in mind, my BBK-3B is running the anti-surge cover. Originally I was going to be running a 2.3L instead of a 2.0L so the surge cover was recommended. I kept the cover even after I changed my mind on the displacement of the motor and I've heard the cover can cause reduced spool.

I also didn't realize at first I was running the normal not the high-boost wastegate actuator which was giving me some problems with the wastegate opening early. Eventually I'll probably want to switch actuators to the high boost variant.