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Would this setup support 300whp?

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tsi1991awd

10+ Year Contributor
1,366
6
Sep 28, 2008
Puyallup, Washington
I'm trying to make at least 300whp. I'm not sure that my car will allow it, but if it does then great. I've put together the following setup and was wondering if it will support that much power. And if there is anything I missed that would be crucial.


*Fuel
1000cc Fuel Injectors
Aeromotive AFPR / Gauge
Walbro 255 Fuel Pump

*Intake
Dejon 3" Intake
2g MAF
K&N Filter
PR FMIC
Greddy Type RS BOV (recirc)

*Exhaust
Evo 3 Manifold (ported)
16G 7cm Turbine Housing (ported)
PR O2 Housing
PR 3" DP
3" Cutout (in cat's place)
3" Exhaust
MBC

*Other
NGK Step Colder Plugs
Autometer Boost Gauge
Greddy Turbo Timer
DSMLink
FIAV Blockoff (possibly)
 
i have the 2600 with the street disk and they say its good for 450. i read that you plan on doing more in the future you might even consider going with the 2600 but ether way they are both good and can support 300
 
I see, I didn't know that DSMLink can do that. I never seen or play with dsmlink so i don't know much about it but heard a lot of good thinks about it. I was thinking of the Apexi afc way :p

If you are going to get the Apexi you might want to consider a moates.net ostrich and tunerpro. You will be much better off as you can tune the fuel/timing/injectors and it will be about the same cost, all it takes is a little research. Then later on you can upgrade to ds-map which rocks quite frankly :rocks:.
 
1G auto - Spec 42.7psi (Standard value 41 - 46 psi)
1G manual - Spec 36.3psi (Standard value 36 - 38 psi)

So if I have it set to 38psi, with 1000cc injectors, it would run like stock...sorta? What would the fuel pressure need to be later on after tuning? Or will it depend?
 
Your base fuel pressure will always be a constant. The purpose of an AFPR is to adjust the pressure on a 1:1 ratio in relation to boost.

You could have DSMlink and 1000cc injectors installed on any car with any setup and it'll idle/run like stock.

And if you have a manual car, you'll want to set it to the spec number (37 psi), not the highest.
 
Your base fuel pressure will always be a constant. The purpose of an AFPR is to adjust the pressure on a 1:1 ratio in relation to boost.

You could have DSMlink and 1000cc injectors installed on any car with any setup and it'll idle/run like stock.

And if you have a manual car, you'll want to set it to the spec number (37 psi), not the highest.

So you're saying running stock injectors, it will be 36psi and running 1000cc injectors it'll be the same?
 
hi guys, i haven't used ACT before, but a friend of mine used it on his Suby, and it didn;'t help up very well. I have read good reviews about ACT here on DSMtuners. But i decided to go with Excedy stage 2. the cerametallic one I beleive it is. It is awesome, it should be right within the range you are looking for. It's an aggresive, but yet not heavy at all. I have been using it for almost a year now, and it's been holding up awesome. I have never heard bad reviews about it, and I have spoken to several DSM shops about Excedy VS ACT. It hasn;t been mentioned here yet, so I thought I would mention it, just so you have another option as well. You can get the excedy flywheel + clutch as a kit also, which is what I did. It's excellent. Flywheel is awesome, drivability hasn't been affected at all. As far as the rest of the transmission goes, I think it all depends on how you drive it, and I think you should be fine with stock tranny. I would say keep it, untill it goes, since your car is mostly dd.
that's my input on the drivetrain.
 
So you're saying running stock injectors, it will be 36psi and running 1000cc injectors it'll be the same?

Yes, but you will need DSMLink to account for the spray and flow characteristics of the bigger injectors (deadtime and global).

Basically, DSMLink is going to make your injectors act like stock, so your fuel pressure is going to be the same.
 
with hindsight being 20/20, I would recommend something smaller injector wise for a 16g. Larger injectors lose responsiveness (yes even with dsmlink). I would go with 650's or the like to hold you over until you go with a larger turbo.
 
Do you have any proof of this? I am running a small 16g with 1150cc injectors and notice no problems at all.

Call FIC. The bigger the injectors, the slower they respond. It's just the way they work. Normally, when you need larger injectors, you have slower spooling turbos, which coincides. However, with a fast spooling turbo, if you have slow injectors, you will lean out at spool up. Which is something I noticed time and time again during datalogs pulls via dsmlink with a WBO2 signal. No matter how much fuel I added in at those points, the injectors couldn't keep up
 
I could do 750 or 850 injectors. It doesn't matter to me. My goal at this point is 300-350whp that's it. As I said, the only reason I wanted to go with bigger injectors is because if I decide to up the boost later on, I don't want to buy another set of injectors.

But I don't know when, if ever, I plan to do more work and go for more power.
 
Call FIC. The bigger the injectors, the slower they respond. It's just the way they work. Normally, when you need larger injectors, you have slower spooling turbos, which coincides. However, with a fast spooling turbo, if you have slow injectors, you will lean out at spool up. Which is something I noticed time and time again during datalogs pulls via dsmlink with a WBO2 signal. No matter how much fuel I added in at those points, the injectors couldn't keep up

very true, even going as far to adjusting deadtime seemed to hinder liitle improvments.
 
My opinion might not count for much, but I have 550cc injectors, dsmlink, and other supporting mods (some still not installed). I have just started to learn about tuning with DSMLink, and have already increased my horsepower by 50. A 650cc injector will be more than sufficient, even if you decide to upgrade your turbo at a later date.

Sorry, I forgot to mention that I'm currently around 315hp at 16lb boost and alot of knock in 4th gear.
 
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