capability of stock motor
#1
capability of stock motor
Hey guys, sorry i'm new here and haven't been able to raid the forums yet but i want to know how much boost is safe on the stock motor. I don't really have any idea for this car because i came from an srt4 where compression was 8.5 and the stock motor could hold over 450hp. this car has higher compression and i have been hearing that if we pull the motor apart we would be dissapointed with the internals. I definitely want to boost it, just need some suggestions.
mike
mike
#5
As long as you have good engine management you can run 12-13psi no problem on that motor. I just put an AEM EMS in my car I will be done tuning it this afternoon I will tell you how much whp is makes. You can definitely go more than 9psi...as long as you don’t have any detonation your fine.
#7
12 - 13 psi??? Wow you got *****, let me know how your motor is in 30k miles....
Thats not meant to be smart @ss remark there, i would like to seriously see how a high boost set up will hol don our motors...
Think some company should put our engine on a stand and run it for like a month straight with some boost on it now i'd throw $100 to that cause
Thats not meant to be smart @ss remark there, i would like to seriously see how a high boost set up will hol don our motors...
Think some company should put our engine on a stand and run it for like a month straight with some boost on it now i'd throw $100 to that cause
#8
Originally Posted by tc2nut4
12 - 13 psi??? Wow you got *****, let me know how your motor is in 30k miles....
Thats not meant to be smart @ss remark there, i would like to seriously see how a high boost set up will hol don our motors...
Think some company should put our engine on a stand and run it for like a month straight with some boost on it now i'd throw $100 to that cause
Thats not meant to be smart @ss remark there, i would like to seriously see how a high boost set up will hol don our motors...
Think some company should put our engine on a stand and run it for like a month straight with some boost on it now i'd throw $100 to that cause
#9
I think it is do able. Just do not go over 9-10 psi with any base map you get. Anything over 10 psi, I recommend getting custom tuned. Also anyone who thinks our cars have high compression really does not have actual experience with high compression boosted applications.
#14
its not SC or Turbo thats the question, its really the size of the compressor thats the question. I mean you tune SCs and turbos slightly differently because of the way they spool and boost lag on turbos etc. however most of the turbos used for our car are bigger compressors so 9.5psi on a relatively large compressor (turbo) compared to 9.5 psi on a relative medium SC compressor (Supercharger) means more air flow from turbo which in turb means more fuel, which means bigger bang.
So to answer your question, on your particular SC yes it is safer but thats only because your compressor is slightly smaller diameter wise so you're creating less "bang"
So to answer your question, on your particular SC yes it is safer but thats only because your compressor is slightly smaller diameter wise so you're creating less "bang"
#17
Senior Member
Team No Limitz
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Team ScioNRG
Join Date: May 2004
Location: Smithtown Scion (NY)
Posts: 3,789
if you were to max out cfm numbers on the F trim vortech unit and a 16G the blower is gonna be making a lot more power, I dont know the exact setup tnetics uses but its a 50-1 and I bet the blower will outflow that also.
Vortech F Trim rated for 475whp, flows about 700cfm
The GT Evo 3 Big 16G Rated for 380HP, flows about 575cfm.
Vortech F Trim rated for 475whp, flows about 700cfm
The GT Evo 3 Big 16G Rated for 380HP, flows about 575cfm.
#19
Originally Posted by PghtC
^^^might get some hate mail over that one...even though it is true.
:D
:D
Seriously though, power levels have a lot to do with the tune. You also need to ask yourself what you are building the car for and what you want to do with it. High horsepower numbers are fun if you plan to be a dyno queen, but in the real world racing comes down to many things other than pure hp numbers.
#20
Originally Posted by Simplyscion
if you were to max out cfm numbers on the F trim vortech unit and a 16G the blower is gonna be making a lot more power, I dont know the exact setup tnetics uses but its a 50-1 and I bet the blower will outflow that also.
Vortech F Trim rated for 475whp, flows about 700cfm
The GT Evo 3 Big 16G Rated for 380HP, flows about 575cfm.
Vortech F Trim rated for 475whp, flows about 700cfm
The GT Evo 3 Big 16G Rated for 380HP, flows about 575cfm.