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how much can a stock b20 turbo hold???

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Old 02-09-2010, 05:46 PM   #1
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Default how much can a stock b20 turbo hold???

hey was up Honda tech.. i wanted to know how much boost can a stock B20b handel..im planing to get 450cc injectors, fuel rail, bigger fuel regulator, not sure what type of intake manifold i was thinking of Edelbrock victor X, and i was looking at Hondata computers...
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Old 02-09-2010, 06:09 PM   #2
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Default Re: how much can a stock b20 turbo hold???

Id say 10psi, but all depends on your setup
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Old 02-09-2010, 06:42 PM   #3
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Default Re: how much can a stock b20 turbo hold???

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Id say 10psi, but all depends on your setup

28"x7"x2.5" Front Mount Intercooler
Compressor Specs :
3" Compressor Inlet
3.000" or 76.20mm Major
1.988" or 50.50mm Minor
Compressor .50 A.R.
Compressor 57 Trim
M24 / T4 Compressor Housing

Turbine Specs :
T3 Type Turbine
11 Blade Type
2.25" Exducer
Turbine .64 A.R.
Turbine 76 Trim
2.560 " or 65.04mm Major
2.204 " or 56.00mm Minor
Exhaust Outlet Flange with 5 bolt design


38mm External Turbo Wastegate
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Old 02-09-2010, 08:07 PM   #4
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Default Re: how much can a stock b20 turbo hold???

I would also say, nothing over 10psi on stock internals just to be safe for now, what exactly is your power goal that you are trying to get?

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Old 02-09-2010, 08:24 PM   #5
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Default Re: how much can a stock b20 turbo hold???

B20 bottom ends are notoriously weak so id go ten lbs at most! My buddy is running his on 7 and still makes 270 or so to the wheels. not bad
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Old 02-09-2010, 09:58 PM   #6
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Default Re: how much can a stock b20 turbo hold???

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B20 bottom ends are notoriously weak so id go ten lbs at most! My buddy is running his on 7 and still makes 270 or so to the wheels. not bad
That actually isn't bad at all..
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Old 02-10-2010, 06:06 AM   #7
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Default Re: how much can a stock b20 turbo hold???

I cant believe some of you guys are saying 10 lbs with over thousand post, thats such a board term. It depends on the OPs turbo if he has a gt35r and a 57 trim theres going to be a big difference on power. I'm running 18lbs on my turbo but that doesnt matter because I'm only making 330whp currently. Its about the whp not the psi. OP I would say nothing over 300whp.
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Old 02-10-2010, 06:28 AM   #8
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Default Re: how much can a stock b20 turbo hold???

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I cant believe some of you guys are saying 10 lbs with over thousand post, thats such a board term. It depends on the OPs turbo if he has a gt35r and a 57 trim theres going to be a big difference on power. I'm running 18lbs on my turbo but that doesnt matter because I'm only making 330whp currently. Its about the whp not the psi. OP I would say nothing over 300whp.
lol i was about to write the same thing. You tuner should have a good idea of what he could get out of it, if you're looking to get the most power you can.
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Old 02-10-2010, 06:58 AM   #9
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Default Re: how much can a stock b20 turbo hold???

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Originally Posted by 99JDMHATCH View Post
I cant believe some of you guys are saying 10 lbs with over thousand post, thats such a board term. It depends on the OPs turbo if he has a gt35r and a 57 trim theres going to be a big difference on power. I'm running 18lbs on my turbo but that doesnt matter because I'm only making 330whp currently. Its about the whp not the psi. OP I would say nothing over 300whp.
In my post, if you look it ask the operator how much is the power he is wanting, and also he has posted the turbo setup he has, as to why I said that 10psi should be safe. Not saying that as a "board term"....
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Old 02-10-2010, 08:22 PM   #10
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Default Re: how much can a stock b20 turbo hold???

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In my post, if you look it ask the operator how much is the power he is wanting, and also he has posted the turbo setup he has, as to why I said that 10psi should be safe. Not saying that as a "board term"....
i will love to go for 300hp.. but i no with a stock motor its going to be hard...when i put the setup together and get it tune ill let u guys know how much hp i have... oh yea im trying to go for low 13s **** if i can very high 12s...
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Old 02-10-2010, 08:38 PM   #11
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Default Re: how much can a stock b20 turbo hold???

the 450cc injectors are gonna flow a max of 350whp which probably wouldn't be at a safe duty cycle. So about 300whp would be a safe max in my opinion
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Old 02-11-2010, 06:25 AM   #12
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Default Re: how much can a stock b20 turbo hold???

OP some comments about what you plan on getting. I would recommend just staying with the stock fuel regulator its good for up to 400whp. Also the victor x isn't really needed unless your going for big power which your not. I would recommend the sk2 IM since this is a DD and sk2 is for more mid range power were as the victorx is more for high end aka better on the track.
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Old 02-11-2010, 07:23 AM   #13
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Default Re: how much can a stock b20 turbo hold???

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Originally Posted by 99JDMHATCH View Post
OP some comments about what you plan on getting. I would recommend just staying with the stock fuel regulator its good for up to 400whp. Also the victor x isn't really needed unless your going for big power which your not. I would recommend the sk2 IM since this is a DD and sk2 is for more mid range power were as the victorx is more for high end aka better on the track.
I second that. Also the fuel rail isnt needed either. I would save the money on those parts and put it towards a good fuel management system. Especially if you plan on pushing the limits of your stock engine. You can go a lot farther with a good tune.
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Old 02-11-2010, 08:48 AM   #14
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Default Re: how much can a stock b20 turbo hold???

exactly, just get a fuel pump and injectors, maybe a fpr, save the rest for hondata s300. spend the big money on the ems, you can always reuse it for any setup down the road.
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Old 02-20-2010, 06:51 PM   #15
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Default Re: how much can a stock b20 turbo hold???

SORRY GUYS FOR NOT GETTING BACK TO YOUZ... I JUST GOT DONE WITH WITH THE CAR... IM JUST MISSING INJECTORS AND THE ECU WAITING FOR MONDAY... HOPFULLY I CAN GET THIS TUNED NEXT WEEK... I WAS TALKING TO MY BOY AND HE WAS TELLING ME I SHOULD GET 310cc JUST BEC ITS A BONE STOCK MOTOR I DONT NEED TO GO BIGGER FOR NOW....
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Old 02-20-2010, 06:53 PM   #16
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Default Re: how much can a stock b20 turbo hold???

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Old 02-20-2010, 07:44 PM   #17
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Default Re: how much can a stock b20 turbo hold???

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Originally Posted by turbo90a View Post
SORRY GUYS FOR NOT GETTING BACK TO YOUZ... I JUST GOT DONE WITH WITH THE CAR... IM JUST MISSING INJECTORS AND THE ECU WAITING FOR MONDAY... HOPFULLY I CAN GET THIS TUNED NEXT WEEK... I WAS TALKING TO MY BOY AND HE WAS TELLING ME I SHOULD GET 310cc JUST BEC ITS A BONE STOCK MOTOR I DONT NEED TO GO BIGGER FOR NOW....
If you are going for the 300whp on that then the 310cc's will be almost maxed out if i'm not mistaken, I would get at least 440cc injectors... But Nice car hope you get it going soon.
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Old 02-20-2010, 09:31 PM   #18
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Default Re: how much can a stock b20 turbo hold???

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If you are going for the 300whp on that then the 310cc's will be almost maxed out if i'm not mistaken, I would get at least 440cc injectors... But Nice car hope you get it going soon.
Thanks.... I really don't know how much HP I wanna hit.. I was just going to boost around 7psi for save mode.
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Old 02-21-2010, 09:02 PM   #19
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Default Re: how much can a stock b20 turbo hold???

is there ANYTHING technical on honda-tech anymore..

sad.
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Old 02-22-2010, 06:57 AM   #20
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Default Re: how much can a stock b20 turbo hold???

OK...the next one to say "you can run X psi" is going to be deleted.

OP: The stock block is good for ~300whp. The sleeves aren't known to be the most reliable in all the B series engines, so get a good tune and don't push it too hard. As for the injectors, the DSM 450cc's will get you just up to the 300whp mark but won't have much left beyond that. A set of 310cc injectors is basically worthless...since you'll be limited to about 210whp. Your buddy was dead wrong on that one.

If i were you, i would get a set of 550cc injectors, a Crome or Neptune Chipped P28 and hit the dyno. You don't need to spend a grand on a tuning software only to dump $50 into injectors. For your needs, either of the two above EMS's will work.
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Old 02-22-2010, 07:10 AM   #21
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Default Re: how much can a stock b20 turbo hold???

Its all in the tune, nuff said..
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Old 02-22-2010, 08:54 AM   #22
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Default Re: how much can a stock b20 turbo hold???

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Originally Posted by Schister66 View Post
OK...the next one to say "you can run X psi" is going to be deleted.

OP: The stock block is good for ~300whp. The sleeves aren't known to be the most reliable in all the B series engines, so get a good tune and don't push it too hard. As for the injectors, the DSM 450cc's will get you just up to the 300whp mark but won't have much left beyond that. A set of 310cc injectors is basically worthless...since you'll be limited to about 210whp. Your buddy was dead wrong on that one.

If i were you, i would get a set of 550cc injectors, a Crome or Neptune Chipped P28 and hit the dyno. You don't need to spend a grand on a tuning software only to dump $50 into injectors. For your needs, either of the two above EMS's will work.
excally what i was about to post.


what brand is that turbo? if its a ebay turbo throw it away.. it wont boost for ****.

i dont know what clutch your using but that should be takin into consideration also.

not sure why you would spend all the money to boost it and to only put it on 7 psi...

lmao @ 10 psi max on stock block...

k20 ftw!!!
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Old 02-22-2010, 02:21 PM   #23
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Default Re: how much can a stock b20 turbo hold???

Quote:
Originally Posted by turbo90a View Post
i will love to go for 300hp.. but i no with a stock motor its going to be hard...when i put the setup together and get it tune ill let u guys know how much hp i have... oh yea im trying to go for low 13s **** if i can very high 12s...
Its Not going to be hard at all to make power, its just scarey is all

And i must say driving habbits is a Key as well
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Old 03-06-2011, 10:07 AM   #24
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Default Re: how much can a stock b20 turbo hold???

hi,

My B20B16 Turbo with stock internals holds 0.8bar = 11.6lbs and i have 330HP.

I had 3 drag events last year,no problems with the motor.

12.53s 1/4 best ET. With R13 michelin slicks.7inch.
8.24s 1/8

here is some links.

http://img847.imageshack.us/img847/1064/95861951.jpg

http://img225.imageshack.us/img225/9744/19765860.jpg

http://www.youtube.com/watch?v=1hsXgh212GY

http://www.youtube.com/watch?v=gTWUXHd4JKc


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Old 03-10-2011, 05:37 PM   #25
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Default Re: how much can a stock b20 turbo hold???

nice setup. the only bad thing about b20 is the sleeves are thin.
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