CBRD's BBK-B.. 457whp/365wtq on 93..
Jul 24, 2010 | 08:32 PM
#151
With my mods (see signature), using stock cams, running 91 + 50% water 50% Meth, and 28 peak psi tapering to 24.5psi, I hit ~400 - 415 whp using VDR dynojet mode. My car is crazy fast right now and I LOVE THE BBK. Sure I want more power, but honestly as an ex-IMSA racer I have no idea where I could safely put the power to the ground on the street.
A few interesting factoids : (1) I can stay side by side with a 911 GT2, (2) if I lanch the car it spins all four tires (17 x 9.5 ) through first and second gear, (3) passengers that say they like to go fast become weak kneed after a spirited run.
I am not sure how much faster it could be safely driven on the street. For me having a super broad power curve and great transient response is much more important than peak hp numbers. The power curve is not only what wins the race, but makes for a more fun road car.
A few interesting factoids : (1) I can stay side by side with a 911 GT2, (2) if I lanch the car it spins all four tires (17 x 9.5 ) through first and second gear, (3) passengers that say they like to go fast become weak kneed after a spirited run.
I am not sure how much faster it could be safely driven on the street. For me having a super broad power curve and great transient response is much more important than peak hp numbers. The power curve is not only what wins the race, but makes for a more fun road car.
I felt for the first time that the car was approaching more power than you could use on the street, at least sidestreets and backroads. On small backroads with some nice turns, the thing gets going so fast so quick that it snuck up on me a few times and I had to lay on the brakes harder than I usually would on that road.
I have always felt that the car would have enough power when it scares me and I think this turbo has the potential to get there, haha.
Last edited by bwesley82; Jul 24, 2010 at 11:22 PM.
Jul 24, 2010 | 09:34 PM
#152
No (unless the dyno is reading crazy high).
With my mods (see signature), using stock cams, running 91 + 50% water 50% Meth, and 28 peak psi tapering to 24.5psi, I hit ~400 - 415 whp using VDR dynojet mode. My car is crazy fast right now and I LOVE THE BBK. Sure I want more power, but honestly as an ex-IMSA racer I have no idea where I could safely put the power to the ground on the street.
A few interesting factoids : (1) I can stay side by side with a 911 GT2, (2) if I lanch the car it spins all four tires (17 x 9.5 ) through first and second gear, (3) passengers that say they like to go fast become weak kneed after a spirited run.
I am not sure how much faster it could be safely driven on the street. For me having a super broad power curve and great transient response is much more important than peak hp numbers. The power curve is not only what wins the race, but makes for a more fun road car.
With my mods (see signature), using stock cams, running 91 + 50% water 50% Meth, and 28 peak psi tapering to 24.5psi, I hit ~400 - 415 whp using VDR dynojet mode. My car is crazy fast right now and I LOVE THE BBK. Sure I want more power, but honestly as an ex-IMSA racer I have no idea where I could safely put the power to the ground on the street.
A few interesting factoids : (1) I can stay side by side with a 911 GT2, (2) if I lanch the car it spins all four tires (17 x 9.5 ) through first and second gear, (3) passengers that say they like to go fast become weak kneed after a spirited run.
I am not sure how much faster it could be safely driven on the street. For me having a super broad power curve and great transient response is much more important than peak hp numbers. The power curve is not only what wins the race, but makes for a more fun road car.
Jul 24, 2010 | 09:37 PM
#153
Evolving Member
Joined: Sep 2008
Posts: 483
Likes: 1
From: Canada/Japan
This is exactly what I did. BBK Full + GSC S2s. I will just caution that you should really consider cams carefully if priority is stock spool/feel. I put a lot of thought into the BBK because Chad has posted graphs showing IDENTICAL spool to stock. I still lost 200ish rpm with my conversion. Not sure if it is down to the cams, larger front mount/piping, or even the tune, but remember that the turbo isn't all that can affect spool.
Jul 29, 2010 | 09:19 AM
#154
Newbie
Joined: Mar 2010
Posts: 22
Likes: 0
From: usa
so based on the above and what i have read so far regarding "later" spool of the BBK-B vs BBK full vs stock, do you all think it is reasonable to estimate roughly 400rpm slower spool with the BBK-B if compared to stock? I have a simple daily-driven Evo VIII with Cossie M2s and TBE on E-85 (330whp on a Mustang). Very interested in the BBK-B, if and when it becomes available.
Jul 29, 2010 | 10:09 AM
#155
I personally felt no difference between a BBK Full and stock VIII turbo. It actually almost felt like it spooled quicker but that could just be because of the feeling you get from the increased air flow and getting to redline quicker. I really think 250rpm is more like it. And sounds like the transient response is still pretty good too. Looking forward to more reviews and results.
Jul 29, 2010 | 12:28 PM
#156
I wouldn't base this decision purely on my post. Honestly I have no experience whatsoever with the S1's, and I do have a suspicion that my tune could be a lot better. After I get retuned by CBRD in the coming weeks, I will have a better idea of how the car feels now compared to before the turbo/cams.
Jul 31, 2010 | 07:51 AM
#157
Well not 'just the BBK'....see mods in signature....higher speeds the GT2 has the gearing and aerodynamic advantage....sub 100, all my little GG Evo (with baby seats).
Now the CGT, that is a different story.....It wins just on looks alone
.
Now the CGT, that is a different story.....It wins just on looks alone
.
Aug 1, 2010 | 02:34 PM
#158
niceee - keeping with a gt2 with the bbk full on pump 93 is good enough for me.
Aug 3, 2010 | 01:03 PM
#159
Aug 3, 2010 | 08:59 PM
#160
Aug 4, 2010 | 12:22 AM
#161
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Aug 4, 2010 | 10:52 AM
#162
does anyone have an idea roughly of when these will be available? sometime this august? October? next summer? I'm trying to plan for a tune and turbo purchase but have no clue when it's going to be available lol
Aug 4, 2010 | 12:14 PM
#163
Dan (drb)
Aug 4, 2010 | 01:48 PM
#164
Newbie
Joined: Oct 2008
Posts: 73
Likes: 0
From: usa
Aug 4, 2010 | 02:42 PM
#165