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Old 05-27-2013, 08:22 PM   #51
Junior2JZ
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Quote:
Originally Posted by reid-o View Post

Are you running pull through with a maf? It could be the air reversing direction out through the intake which is the opposite effect of the car stalling if dumping to atmosphere.

Crawford uses small diameter hot piping which likely has the bulk of effect on response than the bov delete.

I don't have an opinion on sans blow off valve, but theoretically it would reduce response between shifts in average every day driving because the compressor is coming to an abrupt halt or at least suddenly decelerating. This would be most apparent in spirited non race conditions where the throttle is allowed to close significantly even for a brief period like getting on a freeway. would think the best response in these conditions would be to keep the compressor from decelerating without having to keep the throttle open. It would make sense to me that drift cars etc.. gymkhana rarely allow the throttle to suddenly go back to idle position but they likely modulate the throttle between 60-90 very frequently for long periods and so a blow off valve if not sprung perfectly might blow off every so often with a sudden depression of the throttle and the car would lose torque and wheelspin. Even though the throttle never closes the sharp deltas might have a strange effect on the bov. In this context it makes sense to run sans bov.
Great post

Bov delete on a street car is dumb. Good turbo or not, it stalls the compressor in anything short of a drag race.

Race car with an auto or dedicated drag car sure... Works great and one less thing to leak.
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Old 05-27-2013, 10:41 PM   #52
WhatTurboLag?
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at the time I believe I was on a maf, now I am on SD.
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Old 05-27-2013, 10:49 PM   #53
oldsmobiledriver
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Super sick
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Old 05-28-2013, 02:59 AM   #54
NA STI
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My main reason for doing it was because I needed somewhere to mount the IAT sensor to run SD and with a TMIC your kinda limited and at the same time you want to try and mount it where its less likely to get heat soaked. I still really want to get a plastic/composite style plate made thats o-ring'd and all to mount it. Another main thing is that I didnt really want to drill into my ETS TMIC so making a blockoff plate and tapping that was what I decided. I actually have a turbosmart TMIC BOV still sitting in my room but honestly im not worried or care about the *possible* reduced turbo life, either way its still going to last long enough especially with the big anti surge slots in the GTX compressor housings.

Anyways enough about the valves lol. Im planning to go back to the strip the next friday June 7th when they have it open to street cars and run a 10 sec pass. I think I would be the first WRX or STi in the 10s with the baby gt28 turbine if we can pull it off... Anyone know???
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Old 05-28-2013, 03:41 AM   #55
azn2nr
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which subframe is that?
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Old 05-28-2013, 05:21 AM   #56
NA STI
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MSI. I got more money in suspension mods then go fast mods.
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Old 05-31-2013, 10:50 AM   #57
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NICE! Its good to see a build like this with so many suspension mods... Makes for a fun car!!!
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Old 05-31-2013, 02:01 PM   #58
JoeTX
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First off great build and one very pretty dyno plot. Great power all over the place and for such a “small” turbo it holds very well up top. Gimme gimme.

Any concern about the stock block?
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Old 05-31-2013, 02:31 PM   #59
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Quote:
Originally Posted by Junior2JZ View Post
Great post

Bov delete on a street car is dumb. Good turbo or not, it stalls the compressor in anything short of a drag race.

Race car with an auto or dedicated drag car sure... Works great and one less thing to leak.
Couldn't agree more.

My Gt30r 0.82 stalls really nice when on the street and it sounds really really cool if you dont mind hitting your face off the steering wheel between slow shifts.

However, since the car is predominately a track car...I would never recommend running a BOV unless its a tight course (lots of shifts mid range rpm)
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Old 05-31-2013, 06:20 PM   #60
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This looks like a pretty sweet setup... and the GTX3067 as well.
I was looking at a stock location turbo like the Dom 1.5 or so but this is a nice option for a rotated setup without going too big on the turbo for a daily driver with a nice powerband that comes alive early.
The Tigwerks stuff looks great as well, I'll have to talk to them about the parts they offer.
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Old 05-31-2013, 09:21 PM   #61
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Quote:
Originally Posted by NA STI View Post
MSI. I got more money in suspension mods then go fast mods.
It's funny because coilovers killed my gas mileage than any power adder ever has.
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Old 06-01-2013, 12:09 AM   #62
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Quote:
Originally Posted by JoeTX View Post
First off great build and one very pretty dyno plot. Great power all over the place and for such a “small” turbo it holds very well up top. Gimme gimme.

Any concern about the stock block?
He should be fine because of the slower burn and higher octane. It would be different with that kind of torque and this were pump gas.
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Old 06-01-2013, 12:27 AM   #63
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2 questions... why did he delete the EVAP system?

and where were the ceramic wheel bearings made? EDIT NVM, saw it in thread... maybe i'll get some made for my z06

I would say put the BPV back in and use WOT shift... much better option
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Old 06-01-2013, 02:46 PM   #64
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Quote:
Originally Posted by rexworx View Post
NICE! Its good to see a build like this with so many suspension mods... Makes for a fun car!!!
Absolutely, I love doing suspension mods. The car handles very nicely

Quote:
Originally Posted by JoeTX View Post
First off great build and one very pretty dyno plot. Great power all over the place and for such a “small” turbo it holds very well up top. Gimme gimme.

Any concern about the stock block?
Thanks. Im not too worried about it since I have another car for backup whenever I need to build it. I was even telling Ron to push it a little harder (timing wise) We squeezed some more power out of it since the original posting. If I had to guess what it would put down on a dynojet now id say 430wtq 440whp but who knows lol

Quote:
Originally Posted by Wrinkleboi View Post
This looks like a pretty sweet setup... and the GTX3067 as well.
I was looking at a stock location turbo like the Dom 1.5 or so but this is a nice option for a rotated setup without going too big on the turbo for a daily driver with a nice powerband that comes alive early.
The Tigwerks stuff looks great as well, I'll have to talk to them about the parts they offer.
Yeah im very curious how the gtx3067 would work out, I think it would do nicely. Id predict that it would show almost identical spool on the dyno with higher peak tq, but on the road it would still obviously fell more sluggish. I took along time debating between the gtx3071 and the gtx2867 about 8 months ago before the 3067 was even out, but I can say im happy with my decision.


Quote:
Originally Posted by All4bSpinnin View Post
2 questions... why did he delete the EVAP system?

and where were the ceramic wheel bearings made? EDIT NVM, saw it in thread... maybe i'll get some made for my z06

I would say put the BPV back in and use WOT shift... much better option
EVAP was deleted for more WHP obviously haha jk, really just because I was looking for pointless weight to remove all over (without having to gut the inside at all) and it cleans up the engine bay and the back of the car a little bit. I spent months just cleaning the underside of my car all over along with replacing every bushing, mount, and suspension piece possible. When I took my car to my friends dealer for inspection they were all in shock of how immaculate, clean, and racecar the underside looked on the lift

I keep the car looking stock inside and out to the average eye thoe (except for the bay of course). It makes it so much fun to surprise people on the track

Last edited by NA STI; 06-01-2013 at 03:15 PM.
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Old 06-22-2013, 12:29 PM   #65
NA STI
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11.3 and 11.3 2x at the track yesterday on just stock wheels and 225 street tires. Still havnt hit that 100% clean pass. I hit 126.0 and 126.6 mph traps video to come shortly.
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Old 06-22-2013, 01:02 PM   #66
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Damn nice.
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Old 06-22-2013, 01:27 PM   #67
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there's enough mph for 11.0 or less
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Old 06-22-2013, 02:35 PM   #68
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Old 06-22-2013, 02:42 PM   #69
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nice. take teh wing off and take a dump next time
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Old 06-22-2013, 02:49 PM   #70
NA STI
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yeah im shooting for a 10.9 I just need a bigger and more grippy tire and a perfect pass. I spun all 1st in that video and only cut a 1.75 60 ft. Also this track is slick compared to most from what iv heard. This was literally the very last run of the night at the track, it was after 10pm. The Evo is a local shop built EVO 10 making 600+whp power, I wanted to run it just to try and embarrass it which I almost did lol. He flew by me literally right before we crossed the line but it was a fun night.
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Old 06-22-2013, 03:06 PM   #71
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Quote:
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nice. take teh wing off and take a dump next time
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Old 06-24-2013, 06:46 PM   #72
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How long have you been running this much power on the stock motor and how long do you think it will handle it
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Old 06-24-2013, 09:29 PM   #73
NA STI
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almost 2 months now. Im not too worried about the motor lol
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Old 06-24-2013, 10:09 PM   #74
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Is it your daily and I'm guessing your running e85 full time
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Old 06-24-2013, 11:02 PM   #75
NA STI
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I have a 93 map also, but e85 is so much fun iv never even switched back yet lol. My local e85 pump is only 5mins away so that also helps

I have a 00 civic and this, the plan was to daily my civic but since iv had the subie on the road I almost always drive it haha. I drive like a normal human being on the daily thoe, so I could easily make the motor last awhile if I want to.
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