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Thread: How to get to 4-450whp

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Posts: 51-60 of 80
2010-09-09 02:05:32
#51
Originally Posted by STRATTON
Whats ur real name if u dont mind me asking ? Ur handle.is to long lol. pics of set up?


Pics ? Do u guys think internally gated creates alot of heat or does it have nothing to do with engine temps for the most part ?

Stratton.


the stock jpipe is very restrictive and a internal gate causes tons of turbulence when in use. Running a divorced setup will help this but you are still limited by the waste gate port size.
2010-09-09 13:58:12
#52
Originally Posted by STRATTON
Whats ur real name if u dont mind me asking ? Ur handle.is to long lol. pics of set up?


Pics ? Do u guys think internally gated creates alot of heat or does it have nothing to do with engine temps for the most part ?

Stratton.

personally i think you would benifit alot from a external wastegate. even with a divorced downipe your are going to reach limitations of the internal wastegate and with the external wastegate you arent going to reach limitation or run into the problem of the internal wastegate not being able to expell enough exhaust flow this can cause surge too along with spike, though this is when you get into higher boost pressures.
2010-09-09 14:04:45
#53
Originally Posted by cortrim1


ve-t setup mocked up on the de


so you kept the 5 bolt turbine housing that still has the flapper?
2010-09-09 17:31:47
#54
Originally Posted by GT2871RBLUBIRD
Originally Posted by STRATTON
Whats ur real name if u dont mind me asking ? Ur handle.is to long lol. pics of set up?


Pics ? Do u guys think internally gated creates alot of heat or does it have nothing to do with engine temps for the most part ?

Stratton.

personally i think you would benifit alot from a external wastegate. even with a divorced downipe your are going to reach limitations of the internal wastegate and with the external wastegate you arent going to reach limitation or run into the problem of the internal wastegate not being able to expell enough exhaust flow this can cause surge too along with spike, though this is when you get into higher boost pressures.


To answer your question, yes and no. Just because its internally gated does not mean it will create more heat. But it will become a restriction before an exteernal gate would. And once it is a restriction it will create more heat...
2010-09-09 18:25:08
#55
Originally Posted by unijabnx2000
so you kept the 5 bolt turbine housing that still has the flapper?


thats a t2 gt3071r .86 a/r. it has the flapper door welded shut. This housing flows better than the .63 a/r t3 version. I had my gt28rs setup the same way. It can also be undone if you wanted to run the internal gate again.
2010-09-09 18:25:52
#56
Originally Posted by cory
Originally Posted by GT2871RBLUBIRD


To answer your question, yes and no. Just because its internally gated does not mean it will create more heat. But it will become a restriction before an exteernal gate would. And once it is a restriction it will create more heat...


and heat equals boom.
2010-09-09 18:42:07
#57
Originally Posted by cortrim1
thats a t2 gt3071r .86 a/r. it has the flapper door welded shut. This housing flows better than the .63 a/r t3 version. I had my gt28rs setup the same way. It can also be undone if you wanted to run the internal gate again.


by what? about 1 cfm?
2010-09-09 18:47:03
#58
Originally Posted by unijabnx2000
by what? about 1 cfm?


look at the turbine maps.

t2


t3
2010-09-09 18:48:06
#59
the t3 turbine is more efficient but I know a few people who have made around 500whp with out the external gate on the same turbo.
2010-09-09 19:22:17
#60
Originally Posted by cortrim1
look at the turbine maps.

t2
[img]http://www.turbobygarrett.com/turbobygarrett/images/catalog/Turbochargers/gt30_images/700382-3&20turb_e.jpg[/ig]

t3
[img]http://www.turbobygarrett.com/turbobygarrett/images/catalog/Turbochargers/gt30_images/GT3071R_turb_e.jpg[/im][/QUOTE]

I thought the T2 you mentioned was the .86 for the 2860rs or the 2871r reading owns me.

which is about 22 cfm

[img]http://www.turbobygarrett.com/turbobygarrett/images/catalog/Turbochargers/gt28_images/743347-1&2turb_e.jpg[/img]
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