Resolved Noob here, researching Turbo Upgrade to 300hpish?

[Anthony_2gnt]

Hey everyone, been around for awhile, searching the forums, and have never really posted anything. I currently have a mostly stock '99 rs that I am loathing that I bought a couple years back (The reason I have joined this forum ). This summer I will be leaving for 3 months to work, and am going to come back with a fair chunk of change. Will be selling my rs, to buy a stock gs-t or GSX if I could find one within 300 miles. My ultimate goal is to get a 2g up to around 310ish Hp as a daily driver. Willing to spend some cash on quality parts, but I'm sure the parts I have compiled are way more expensive/over the top than necessary. Looking for some info on what else I will need other than these:
AFPR: EXTREME PSI : Your #1 Source for In Stock Performance Parts
$69

FMIC KIT: EXTREME PSI : Your #1 Source for In Stock Performance Parts
$708

Injen Air Intake Sytem: https://www.dsmparts.com/customer/product.php?productid=227&cat=83&page=1
$225

Apexi 3'' Downpipe to delete Cat: https://www.dsmparts.com/customer/product.php?productid=96&cat=92&page=1
$335

Apexi 3'' exhaust, with adapter so I can bolt to cat for emissions
https://www.dsmparts.com/customer/product.php?productid=92&cat=91&page=1
$683

Not sure about the Injectors, I was looking at 950cc so that I could always upgrade
https://www.dsmparts.com/customer/product.php?productid=52&cat=59&page=1
$325

Walboro 255 pump with kit: https://www.dsmparts.com/customer/product.php?productid=35&cat=58&page=1
$102

FIC Fuel rail: https://www.dsmparts.com/customer/product.php?productid=1287&cat=60&page=1
$134

ECM Link: ECMTuning, Inc.
$545

FP Exhaust Manifold: EXTREME PSI : Your #1 Source for In Stock Performance Parts
$275

Gauge Pillar with 3 gauges A/F,Boost,Oil Pressure: 95-99 Mitsubishi Eclipse Custom Gauge Package
$347

Balance Shafte Eliminator: https://www.dsmparts.com/customer/product.php?productid=365&cat=0&page=1
$67

Small 16g Turbo: https://www.dsmparts.com/customer/product.php?productid=75&cat=166&page=1
$1100 new, want to get one to rebuild.

2g Turbo Install Kit: https://www.dsmparts.com/customer/product.php?productid=600
$173

Porting Turbos Inlet: Mitsubishi Turbo Porting#-#Turbo Services#-#Turbo#-#DSM Performance Parts | DSMparts.com
$88

Greddy BOV: GReddy
$300

Manual Boost Controller: https://www.dsmparts.com/customer/product.php?productid=4&cat=0&page=1
$104

o2 Housing Sensor Megan Racing: Megan Racing SS Turbo Outlet(O2) Housing DSM - Modern Automotive Performance
$110

Grand Total: $5.7k haha
Again, looking for advice on what parts to change, what other parts to add, experience with certain brands parts, what is bad/good. And what Sort of parts I would need to upgrade both on the Bottom and Top end of a stock gs-t for 300-310 hp.

 

[LandSpeed-DSM]

Assuming all maintenance/repair is taken care of.. and you plan on running a S16G to a max of 300awhp (that will change ), you'd only need:

Wideband kit
Boost/Vac gauge
Link V3 Lite or Full
190lph pump (rewired)
Injector size depends on fuel type
Boost control through Link

Swapping to Speed Density to run a nice intake pipe without a MAF/MAS in the way would be a good idea.

Really that's about it. Bigger O2 housing, dumped wastegate ideally, and a 3" exhaust all the way back would just make it easier to to hit with a bigger margin for safety in the tune. These two would improve spool also. A decent FMIC would be another good idea but still shouldn't be strictly necessary.

Don't worry about fancy headwork or built short blocks for only 300awhp.

Granted it's a 6-bolt, but I'm on the same stock piston/rod combo I built with plastigauge in the garage from 2008.. running 31psi on a basketball sized turbo. ;-)

 

[Anthony_2gnt]

Assuming all maintenance/repair is taken care of.. and you plan on running a S16G to a max off 300awhp (that will change ), you only need:
Wideband kit
Boost/Vac gauge
Link V3 Lite or Full
190lph pump (rewired)
Injector size depends on fuel type
Boost control through Link

Really that's about it. Bigger O2 housing, dumped wastegate ideally, and a 3" exhaust all the way back would just make it easier to to hit with a bigger margin for safety in the tune. These two would improve spool also.

Don't worry about fancy headwork or built short blocks for only 300awhp.

Granted it's a 6-bolt, but I'm on the same stock piston/rod combo I built with plastigauge in the garage from 2008.. running 31psi on a basketball sized turbo. ;-)

What do you mean by dumped wastegate? And I will probably stick with a bigger o2 housing, downpipe to delete cat and 3'' exhaust to keep that greater margin of safety, and also so the s16g spools faster .
And also, does that Mean I don't need to upgrade my IC or BOV?

 

[Archer Fabrications]

What do you mean by dumped wastegate? And I will probably stick with a bigger o2 housing, downpipe to delete cat and 3'' exhaust to keep that greater margin of safety, and also so the s16g spools faster .
And also, does that Mean I don't need an FMIC?
what about a new BOV? also not needed? haha

Dumped to atmosphere, instead of recirculated into the exhaust.

 

[LandSpeed-DSM]

A dumped O2 housing is one where the internal wastegate on your S16G is kept divorced from the rest of the exhaust system. Some people complain about noise, some love it. I don't much care about simple aesthetics, because the performance benefits are huge.

Decreased post-turbine backpressure, which will greatly decrease drive pressure. This means that you will be wasting less energy to make the same amount of power.

These little turbines start to choke up top on their own, so by improving their ability to discharge and bypass exhaust, you will make your powerband wider. There will be better charge evacuation, allowing you to better take advantage of what little cam overlap the stock cams have built in and EGTs will be lower to boot.

Long story short - you will make more hp/psi boost and other benefits.

It's basically a cheap mod with one drawback (noise) that is far outweighed by all the advantages when examined objectively.

It's not my opinion, it's a fundamental principle of turbomachinery.

 

[Anthony_2gnt]

A dumped O2 housing is one where the internal wastegate on your S16G is kept divorced from the rest of the exhaust system. Some people complain about noise, some love it. I don't much care about simple aesthetics, because the performance benefits are huge.

Decreased post-turbine backpressure, which will greatly decrease drive pressure. This means that you will be wasting less energy to make the same amount of power.

These little turbines start to choke up top on their own, so by improving their ability to discharge and bypass exhaust, you will make your powerband wider. There will be better charge evacuation, allowing you to better take advantage of what little cam overlap the stock cams have built in and EGTs will be lower to boot.

Long story short - you will make more hp/psi boost and other benefits.

It's basically a cheap mod with one drawback (noise) that is far outweighed by all the advantages when examined objectively.

It's not my opinion, it's a fundamental principle of turbomachinery.

Ok, so a dumped wastegate... your modding the internal wastegate to do what? I guess I just don't understand what you mean by divorce from the o2 housing. Any links are appreciated greatly. Not a lot of experience with turbos, none infact. Hence ^^ this thread.
EDIT: I googled DSM o2 dumping found a good link for this forum

SOOOOOO, with a dumped wastegate, that circumvents the need for a BOV and won't recirculate exhaust back into system correct? <-- that's what I've taken out from what I've read so far

 

[LandSpeed-DSM]

The BOV serves a completely separate purpose. You will still need one.

Divorced, as in the exhaust gasses being released by the wastegate (to control boost) do not get forced back in with the rest of the exhaust gasses going through the turbine wheel.

The dumped housing does the divorcing for you.

 

[Anthony_2gnt]

The BOV serves a completely separate purpose. You will still need one.

Divorced, as in the exhaust gasses being released by the wastegate (to control boost) do not get forced back in with the rest of the exhaust gasses going through the turbine wheel.

OOOOH, from further research I see. The exhaust from the Exhaust manifold goes into the turbo, spinning the turbine on the turbo, then needs a way to exit. So this would be the dumped wastegate (where the exhaust doesn't go back into the exhaust system), instead of a recirculated wastegate, where the exhaust gets put back into the exhaust sytem.
And the BOV releaves the pressure between the Intake Manifold of the Engine and the Turbo's air compressor, correct?
So wastegate involves exhaust gases, BOV involves compressed air. Wastegate = turbo turbine, and exhaust release. BOV = Air compressor and air pressure release

 

[Archer Fabrications]

The turbine housing on a mitsu flanged turbine housing has a waste gate flapper and an exhaust outlet (the turbine outlet) the flapper is what the waste gate gasses come out of. The "dumped" o2 housing has a pipe straight from the flapper going and open shooting gasses at the ground at full boost, in a stock co figuration the flapper gasses get combind with the exhaust gasses and come out the tail pipe together. Which causes back pressure, with a turbo the less back pressure the more power can be had.

 

[Anthony_2gnt]

Yeah, I understand now how the wastegate and exhaust flow work now. Does the GS-T come with a stock BOV? And if so, would i need to upgrade it for 310 horse?

 

[Archer Fabrications]

All turbo dsms come with a stock bov, the 2g bov sucks and is better replaced with a 1g one

 

[Anthony_2gnt]

So from all the information so far that you guys have helped me with.... I will need:
An aftermarket Cold air intake or Short Ram air intake.
A downpipe to increase exhaust flow and delete cat.
3'' exhaust again to increase exhaust flow
will go with either 850-950 cc injectors because the best pump gas here is only 91
Still going with the Walbro 255 because it's only slightly more than the 190
Still need an AFPR
Small used 16g turbo
Manual Boost Controller
o2 house possibly with dump wastegate
EDIT: Yes the gauges+wideband.
And DSMlink other tuning software was added into guestimation. Just forgot to write it
Takes me down to about EDIT:3.6k guesstimation

 

[Rikolas]

So from all the information so far that you guys have helped me with.... I will need:
An aftermarket Cold air intake or Short Ram air intake.
A downpipe to increase exhaust flow and delete cat.
3'' exhaust again to increase exhaust flow
will go with either 850-950 cc injectors because the best pump gas here is only 91
Still going with the Walbro 255 because it's only slightly more than the 190
Still need an AFPR
Small used 16g turbo
Boost Controller? Not decided yet, is it necessary?
o2 house possibly with dump wastegate
Takes me down to about 3.3k

Don't forget ecmlink and all your gauges. And yes, you should pick up a mbc. You could even get it cheaper than that if you search in the right places.

 

[lasthope05]

You don't need a afpr if you buy or have a 97-99 dsm. They have a dual voltage fuel setup.

 

[Anthony_2gnt]

You don't need a afpr if you buy or have a 97-99 dsm. They have a dual voltage fuel setup.

I don't know what year I'm getting, but this is good to know. Why would the duel voltage setup take away the need for an AFPR?

 

[lasthope05]

Fuel pumps flow more or less depending upon the voltage its given. With the 97-99, the pumps run at a lower voltage at idle and light load. At higher loads and wot the resister/relay is bypassed and full voltage its given to the pump.

With a 255 and dual voltage fuel system you won't be overrunning the stock fpr. Same in the evo world. They don't get afpr's until they run larger pumps and over 500hp.

 

[Anthony_2gnt]

Ok cool, another $165 I can save haha thanks
Opinions on https://www.dsmparts.com/customer/product.php?productid=1767&cat=91&page=1 exhaust sytem. Seems to good to be true
Here's my excel with parts/links https://docs.google.com/spreadsheets/d/1UYgqSmy8KhNQambeOuUslL97xrAcR4RkGEPcBq3fIic/edit?usp=sharing. Have gotten my list down to 3.3k woo! 2.4k drop i'll take that.

 

[97_4g63t]

http://www.dsmtuners.com/forums/newbie-forum/216777-eliminating-wheel-hop-gs-t.html

Having blown up a differential myself, I know mounts help a lot. I rarely get wheel hop now.

 

[lasershark]

in regards to that 96 gst that you linked up... It has been on craigslist for over a year so if he really wants to sell it you can probably have room to negotiate a little. Scope out this link too its great for finding crap since as you know selection is slim here SearchTempest Online Classifieds Search - All the Classifieds. One Search. This site lets you search all of craigslist and you can set parameters like distance from your zipcode that way you don't have to settle for a gs-t if you really want a gsx and if you don't care either way you can probably save some good doe by traveling a bit

I also noticed your exhaust is like $1k you can grab the downpipe anywhere and have boise muffler fab the rest from the downpipe back, got mine cat+magna-flow muffler 3" all the way back for just under $500 I already had a downpipe though just throwing out some local help
good luck

 

[Anthony_2gnt]

in regards to that 96 gst that you linked up... It has been on craigslist for over a year so if he really wants to sell it you can probably have room to negotiate a little. Scope out this link too its great for finding crap since as you know selection is slim here SearchTempest Online Classifieds Search - All the Classifieds. One Search. This site lets you search all of craigslist and you can set parameters like distance from your zipcode that way you don't have to settle for a gs-t if you really want a gsx and if you don't care either way you can probably save some good doe by traveling a bit

I also noticed you exhaust is like $1k you can grab the downpipe anywhere and have boise muffler fab the rest from the downpipe back, got mine cat+magna-flow muffler 3" all the way back for just under $500 I already had a downpipe though just throwing out some local help
good luck

Glad to see another Idahoan on here woohoo! I'll have to take a look at your link. How do you know the cars been on for over a year? It says 11 days old haha

 

[lasershark]

I look at the ads almost daily but weekly for sure and when I was looking for one myself I remember seeing that same car I believe he originally wanted 5k

 

[Anthony_2gnt]

Oh I see, doesn't look to bad, but if he's come down that much, when I get back I'm sure I could get him to come down a few hundred more

 

[Rikolas]

Hmm..if it's been up for sale for over a year I think you should be able to talk him down a bit on the price. But if you're not buying right away, keep your options open. Try searchinh other major areas close by if you're willing to drive. You might be able to find a better deal somewhere else.

 

[lasershark]

from what I have noticed washington is the spot for dsm's

 

[Rikolas]

from what I have noticed washington is the spot for dsm's

Sure is! Picked up the stock 2gb talon TSi AWD I have right now with 70k miles for $2500
Just keep your eyes on Craigslist for a good deal! Military areas are good for buying cars when people get stationed far away, they don't want to drive or can't drive such as Hawaii or Japan

 

[tylersevo]

Fuel pumps flow more or less depending upon the voltage its given. With the 97-99, the pumps run at a lower voltage at idle and light load. At higher loads and wot the resister/relay is bypassed and full voltage its given to the pump.

With a 255 and dual voltage fuel system you won't be overrunning the stock fpr. Same in the evo world. They don't get afpr's until they run larger pumps and over 500hp.

Is this true?? I am getting my GSX ready to shoot for 400awhp here very shortly and have been having concerns about my rewired 190. If this is true I will jump on a 255.