what would you do?

[emperor_lunchbox]

Ok, both of these turbos are the same specs, I just dont see why one is $200 more expensive.option one: (more expensive)http://store.yahoo.com/cheapturbo/gat350trw48.htmlthis one is $619

option two: (economic choice)http://westcoast-turbo.com/turbos_t3t04e.htmlthis one is $489

I would like to get dual .48 a/r's.What would you guys get?Thanks.

[hannibal]

The West Coast turbo is rebuilt.

Dual 0.48A/Rs??

[namwons_240]

i think he means .42 a/r comp-.48 a/r turbine

but i think for a t3/t4 hybrid i would do atleast a .63/.48 turbo.

.42/.48 too small imo

[lrb_2000]

I think that 50 trim, with .48 turbine A/R would be perfect for a lower boosted KA.. quick spool, and you'll still have top end... i'm basically going for the same thing, except .63 a/r

[emperor_lunchbox]

I plan on running about 10 PSI max and running somewhere in the neighbor hood of 320 HP max.I can't see sacrificing the spool of a .48 for the capability of the .63. I would rather spool faster than have a higher HP ceiling.

[emperor_lunchbox]

I also like to JGS Turbonetics t3/t04e.the turbonetics is 682 from JGS. So which of the three?

Phoenix Turbo Garrett - 619

westcoast-turbo rebuilt Garrett - 489

JGS turbonetics turbo - 682

the JGS turbo has a nice polished finish to it.They are all available in 50 trim with the .50 compressor a/r and .48 exhaust housing a/r.I am still undecided on .48 vs. .63

[Chezedik]

I would go with the .48 since it is stage 3. Personally, I am using a .63. Also, I would go with West Coast since the price is better and they are sponsors.

[nismofly]

you have to make a sacrifice here

that turbo wont do 320 rwhp, heck if you get that out of a straight t3 itll be huge

you either run maybe 250 ish or less with the .63, probably around 220 at 10 psi with the .48, or if you want the power you get the t3/t04e, depending on what you get it wont take much longer to spool and itll make quite a bit more power

[emperor_lunchbox]

All of my turbo choices are T3/T04E.Every website I have been to says these turbos are capable of 400+.What I am debating is the brand and housing options.Basically, is the extra cost worth it for the Turbonetics or the Garrett, or will a rebuilt Garrett be reliable?

[nismofly]

for some reason i had this idea everyone was talking about straight t3's

[emperor_lunchbox]

no sir. The reason I chose the t3/t4 was because I knew it wouldn't make the power I was looking for at a conservative boost level.

[Chezedik]

The 400 HP is at the peak of efficiency. Forget about it. Think 350 without some serious internal mods. Now be even more realistic, to hit that will require 15-18psi (I believe NissanFanatic is at 18 now, and at 347). Do you want to spend the money it takes to get your engine ready to do that. It will be nothing but headaches. On the other hand, at about 10-12psi you will be in the 270-290 range. That is a good place to be in the S Chassis. Just remember each second costs more and more...

[emperor_lunchbox]

I took all of that into consideration. I had set my max at around 300. I don't really want anything more than 300 until I get a new daily driver, which will hopefully be an Evolution VIII.

[namwons_240]

if 300hp is your max goal then id say go with the .48 for the spool...but if u ever get more power hungry (which everyone always does) id say get the .63 for the extra "boostability"

[emperor_lunchbox]

what is the difference in spool time between the .48 and the .63?And what is the power capability difference between the two?

[namwons_240]

im not very familiar with the t3 turbines but id say the .48 would begin to boost (1psi) 500 rpm sooner but max out 50hp lower...now these are just rough estimates from friends using t3/t4's. manifolds, cams, exaust, port and polishing all can make a difference in those numbers.

500 rpm difference is not alot but imagine if your already waiting 500 for the .48...thats 1000rpm your waiting for on the .63...now thats lag.

[emperor_lunchbox]

So would it be accurate to say that a .48 would max out HP at 400and begin spooling at around 2500 RPM'S?

[namwons_240]

sounds about right with 400 hp but id say more like just under 3k for the stage 3 wheel (2800-2900).

[namwons_240]

so for which turbine to get i would definitely chose the .48 for the better spool and u will have plenty of turbo left if 300hp is your "first" hp goal.

[emperor_lunchbox]

Ok settled then.I will be ordering a T3/T04E 50 trim Stage 3 wheel and .48 a/r.

[hannibal]

Sorry to bring this up again...

Take a look at Orions set up (www.ka24development.com/dyno_charts.html). He hit 300whp at 12psi. Nissanfanatic made 350+ at 15psi (www.ka-t.org/cory.htm). Of course, Cory is running a sweet tubular manifold. Both of these guys use the 0.63A/R.

[emperor_lunchbox]

I am not concerned with the power capabilities, its the spool time I am after, I want something quick and streetable. I know the .63 won't take TOO long to spool, but I am after T3 super 60 spool with some room up top. My max HP is 300-320, I don't want more, I have driven cars with more and I think its too fast for the street, besides gas is expensive.

I have found that the .48 will have the abilility to reach 400 HP with fine tuning, since I don't want anything near it, 300-320, I should be able to have the head room I want and the quick spool.

[Chezedik]

You're still going to have to fight a little for those numbers.