15-20 psi with a T25?
 

Does anyone know what a T25 is good for. Is 15-20 psi to much for a T25 on a built ls?

Re: 15-20 psi with a T25?
 

A t25 is way too small for a B18.

Re: 15-20 psi with a T25?
 

I'm running 10psi now and running in the 13's with a slipping clutch

Re: 15-20 psi with a T25?
 

:y

Re: 15-20 psi with a T25?
 

I wouldn't put a T25 on a built lawn mower.

Re: 15-20 psi with a T25?
 

WTF :l That ain't right.....
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Re: 15-20 psi with a T25?
 

Hey I'm just asking! Can anyone give some suggestions on what turbo/sizing would be best. I built this setup completly myself and seems to be working really well. does anyone know how much boost a T25 can handle even if you wouldn't run it on a built lawn mower?

Re: 15-20 psi with a T25?
 

Well it's like the smallest turbo evAr and you're running it on a built LS which is ridiculous. Sure, you can run 20+psi and have a good time with it, but that's so inefficient and worthless. Your topend is going to suck ass. I would go with a .63/.60 MINIMUM.
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Re: 15-20 psi with a T25?
 

Finally. Thankyou for the response. T3/T4 it is. Anyone have a lawnmower?

Re: 15-20 psi with a T25?
 

just cuz the t-25 can make 20lbs of boost doesn't make it right ;)

Re: 15-20 psi with a T25?
 

.60/.63 does not mean T3/T4. The .60 and .63 are A/R numbers which are the housings for a design of Garrett T3's. The .60/.63 was commonly found on a Ford Thunderbird or SVO in the late 80's. The .60 A/R housing has a 60 trim wheel and the turbine in the .63 A/R housing is the same T3 turbine that would also be in a .48 housing. T3 turbines are T3 turbines.

As for the T25, there are options and very few have compressor maps or know the trim of the T25 that they have. I have the largest T25 made sitting right in front of me which has a .80 A/R compressor housing with a 70 trim compressor wheel. The turbine is a 62 trim and sits in a .68 A/R exhaust housing. The standard T3 in the .60/.63 A/R spec has a 68 trim turbine with a 60 trim compressor wheel. The housings are obviously .60 and .63 and is capable of 35 lbs/min max. The T25 that I am referring to is capable of 32 lbs/min which isn't far off. Not all turbos are created equal and not all people that tell you that brand A is better than brand B know what they're talking about.

Re: 15-20 psi with a T25?
 

Chances are he doesn't have the uber rare monster T25 you were blessed with. ::) This is HomeMadeTurbo not HomeMadeRocketScience where we calculate wind velocity and measure material density while considering ambient temperature to configure the equation of the circumference of the inner most logical calculation. ::) ------- geek.....

Sean88Accord comes to mind......or Quadnie. :1
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Re: 15-20 psi with a T25?
 

Exactly, but everything I just said is still true whether you know it or not. ;)

Re: 15-20 psi with a T25?
 

Well I don't.....so ---- off. :P


So where does this monster T25 come from? What cars did they come in? I'm guessing this isn't a junkyard turbo? Chances are you're the only person on this site who has ever seen one. :1
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Re: 15-20 psi with a T25?
 

haha, I remember that faggot. I concur.

Re: 15-20 psi with a T25?
 

Glad you asked. They come on the 89~90 Grand Prix 3.1 V6
http://media.putfile.com/foose-032