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The best Pump Gas "Turbo" set up? [Merged 5-7]

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IMMORTALSPYDER said:
Nobody's recommended the FP Green yet? I'd say go with that or a 60-1.

The FP Green is a 50Trim and the SC61 is a 60-1 turbo. :)

1fast97gsx said:
I agree with you to an extent ... however I have a built motor ( ross / eagle with 1g head ) and I'm running an SC61 and I don't like it. For the street it's just not fun. It's a drag race only turbo. There's too much lag to mess around with people on the road without hitting insane speeds to catch them ( modded LS1s or other sub 13 sec cars ). It's more of a drag turbo but if you want something fun on the street and capable of 11s I'm a 50 trim fan. 3052 is also becoming a good choice imo.

This bring me to my other idea of just running my 50trim and spraying on top of it at the track. I have yet to read a whole lot of reviews on street driving with a 60-1 but if it's as bad as you say then I wouldn't be happy like that either by the sounds of it.

I have alwasy been a HUGE fan of nitrous because it does nothing but make huge power and have great side effects for everything else, cooling, low weight/hp ratio for a bolt on, cheap cost etc etc... So I may just spray ontop of my 50trim at the track on race gas then.

The reason a large turbo was my first option is because currently I run only pump gas and no nitrous so my track times accurately represent what my car does on the street, I kinda like that. But I would like to get down into 11's to be competitive in the local pro street class because low 12's just isn't cutting it.
 
well a 50 trim and nitrous seems like the way to go imo. However come to think about it ... how about an sc61 with nitrous to help with spoolup? Then it'd be fun on the street and run faster in the 1/4 than the 50 trim. The only problem is that'd be a lot of nitrous refills just from cruzin around. I will actually be doing this next year ... I picked up a dry kit to spray the intercooler and a wet kit to spray the engine. Another major drawback is I'm running 1g cams, 1g intake mani, and a ported 2g exhaust mani ... I'm sure if all these were upgraded spool up would be much better as well. We'll see next year :thumb:
 
sunflashx said:
24 psi on a FP3065. It's also low 12's, not high 11's. However its roughly 13 mph faster than the old 2.0L/50 trim setup, I'm hardly dissappointed. The ET has lots of room to improve.

Welcome to 4400' NHRA elevation and 7000-11000 actual corrected value.

http://www.rmrracing.com/2004/drag/drag-strip.htm

The fastest GT40 powered car is going 124 mph, with two runners up coming in at 122 mph and the only AWD car to break 130 mph had a T66. Feel free to come to our track and share in the dissappointed at any time. ;)

A friend locally has went 130 on his fp3065 and that was with a huge hole in his intake manifold LOL. That's fixed now so he should be picking up a few mph more now. He was extremely rich in 1 cylinder cause of that.

As for the Green, I love mine and wouldn't change a thing. When I dyno again, I should be making around 370 to 375 on pump @21psi
 
Yawn! I went 109mph on pump gas with my 16G...that was with a catalytic converter as well just for reference. I'd say properly supported an evo3 16G would make a great pump gas turbo, run low 12s all day long for cheap with great response!
 
SHicksRUS I know that a 16g will go rather fast, I've gone 12.80's @ 112-113 a few times with the car at 5800', but I'm looking for something bigger. I'm still curious, has anybody tried a gt32?
 
I run the GT3255 by Precision, it performs very well on pump gas, I am running 18 psi right now. I need to buy my Wideband and then I can turn up the boost to 22 or so and the turbo should actually be A LOT more impressive.

FYI, from what the guys at PTE told me, the GT3251 has a slightly smaller compressor wheel, and the 55 has a 360* race bearing instead of the 270*. Don't quote me on that, but I believe that is what they told me. :thumb:
 
Obviosuly for pump gas HP its all about knock, which means its all about heat. Compressor efficiency is a drop in the bucket compared to good intercooling efficiency. I would just choose a turbo that has spool and max HP characteristics that meet your goals, and focus more on intercooling. Once the parts are chosen, its about AFR vs Boost (heat) vs timing. I got the best results with AFR around 11:1, low timing (~18 degrees), and high boost (25 psi usually). I ran 117 mph on a tdo6h 56 trim and 119 mph on a AGP 60-1 kit. Either turbo flows more than I needed for those traps of course. But remember that on pump gas you wont make the maximum HP per airflow because of lower timing and richer AFR, so shoot a little big if in doubt.
 
dre made over 500 hp on 32-36psi.nobody will run that much on the street.i was wondering turbo would be the best to get into mid 11's.i have a evo 16 but its not enough.and i want a pump gas turbo too.has any body run 11.5 on pump gas?i just a bought a evo exhaust manifold,so i would still like to use that.any info would help.thanx
 
You can run any turbo you want on pump gas. I'm not sure I follow. LikeI said above, IC efficiency is more important than compressor efficiency, but the better the turbo the better off you are. A big hotside helps as well (better VE per boost). Mid 11s on pump with a 50 trim would be tough, 60-1 or 56 trim and up it should certainly be doable. The 119 I ran on the 60-1 would be enough for mid 11s on a lightweight car.
 
I'm debating which one to get, I saw a decent number of threads between these two, but nothing really discussing pump gas between the two. I know the 60 trim will be better with race gas, but what will be faster ( 1/4 mile)/more HP on 93 pump gas (with 0 knock). RS49 or RS60T?
 
rs60t is not a 60trim its a 60-1 which is a decent ammount bigger than a 50trim(rs49). the 50trim is known for its pumpgas performance and its very streetable imo. you would need a nice built motor and alot of mods to fully utilize the 60-1. i would go with the 50trim. goodluck on your choice.
 
Most people that have a "60-1" notice that only really shines at very high boost levels (26+ PSI). Generally that is getting out of the range of pump gas levels, unless you have a VERY good IC, and possibly water injection. The "60-1" will be a fair bit lazier in spool time versus the "50" trim as well.
 
Here is my setup. (1990 GSX)

Fully built head +1mm valves, full port/polish
2.3L Stroker motor, Eagle Rods and Wiseco Pistons 8.8:1 compression
Fp3 Cams (I have not purchased these yet, I assume they are the best for my motor)
ZEX direct port kit 75 or 100 shot, haven't decided
Supra Pump full rewire, Aeromotive AFPR, SS lines, FIC 1000cc injectors
DSMLinkv.2 (Still need to purchase)
All other supporting mods in profile.

I sold my PTE GT3257 and Crower cams
They worked very well on my stock bottomend 2.0L on 92 oct pump gas.

I need a turbo setup that will make great power on pump gas, and let me shoot atleast a 75 shot on top if desired. I am thinking 20 psi for the street with pump and 26 psi at the track with high octane.

Here is what I have in mind at the moment:

GT30R or GT35R Full Garret with Tial 40 or 44 millimeter wastegate setup

I do not want one of these dyno queen cars that only make power way up top. I want the car to be very very fast and have a BIG useable powerband. All the dynos I have seen for the 35R show it making very low power between 3-5K sub 300 wheel. I want a turbo that will make 400 whp and very good torque between 4-8K. If this is not possible don't hesitate to say so.

The GT30R is awesome as far as spoolup on a 2.3L motor like ours, but I am concerned about its ability to feed the engine at higher boost levels up in the rpms, especially with N20. Let me know what you think or if you have any questions about the setup. :thumb:
 
What about a gt30/40r? I dont think there would be a problem at all for a gt30r to hold those boost levels to redline and still make plenty of power and be a really fun street car.
 
Check out a Forced Performance FP-3065. Your cam choice is going to dictate your power band a little. I wouldn't go that far out in the revs just because you have a stroker. FP2s and a big turbo should get you what you want.
 
I think if you're going for that kind of power, you may want to look into a second pump. The Supra is potent, especially re-wired, but I'd rather have too much fuel than too little.

Just my .02
 
If you want a "big, usable powerband" in the typical sense, sell your car and get a V8. On a DOHC 2.3 liter with a big turbo, you can make big power from 4500-9,000 rpm (and higher if you're feeling good about yourself). That's just how it works. You say you don't want a dyno queen, but then mention dyno charts. There's a reason F1 engines spin so fast. The less displacement you have, the more rpm you have to turn to get the air through the engine. Just felt the need to put that out there.

For your car, you need a big turbo to flow a lot of air up top. Don't worry about low rpm powerband, unless you're going to be shifting at 5000 and getting back on it at 2000 rpm. Make sense? I wouldn't get anything less than the GT35R with the .82 AR turbine. 26psi on race gas is girly boost. Finally, turbos don't make torque. I'm not trying to be a jerk, but it's a common misconception on this board (and many, many others) that a turbo is some magical device that completely changes the way an engine performs. There are many more important things, most noticably, cam profile/timing, head porting, intake manifold, exhaust manifold, and nitrous that will effect the torque an engine produces and where it produces it (horsepower). What you want is a turbo that isn't so small that it limits top end power and so big that it never spools. A turbo that will do up to 65 lb/min is a good start at making big power, a 75 lb/min would be a nice step-up from that. The key is going to be sizing the turbine right. In your case the .82 AR turbine housing would probably be nicely sized, since you likely won't be rev'ing extremely high. Make sure to get an anti-surge ported compressor cover or don't drive around at low rpm/low throttle, your choice.

Just don't do anything crazy without watching the wideband. With the nitrous you could run out of fuel at higher rpm. Unless you insist on running weak boost like most of the clowns who get huge turbos and then post "Went to the dyno, came back disappointed, what's wrong with my car?"

Sorry about the novel, I'm bored and don't feel like studying.

Cliffs notes: GT35R w/ .82 AR turbine housing, TO4S anti-surge ported compressor housing... maybe even look at the 1.06 AR turbine housing, not sure if anyone has any real world data on that.
 
A .63 A/R GT35R is what you need. It will support over 600whp with the right mods and still have a good spool up on a 2.3L . The .63 A/R GT35R is what ams uses in their kits and they have made lots of power with .63 A/R GT35R's on 2.3L/2.4L's.
 
CanadianTSi said:
Super95awd made 500+ to the wheels with a similiar setup and a FP3052 on pump gas...


I believe it was 527 whp.

All those other turbos metioned are great but not on pump gas, they like high boost and high octane. Your best bet would be the FP 3052.
 
Lunch_Box said:
I believe it was 527 whp.

All those other turbos metioned are great but not on pump gas, they like high boost and high octane. Your best bet would be the FP 3052.

It was 521 whp and who knows what kind of correction factor or whatever else. Also, why would you pick out the guy with the best pump gas dyno in the universe for that particular turbo? Those results are less than typical. It was also at 27 psi of boost, quite a bit more than 20. How he pulled that off on pump gas, only he knows.

Anyway, I wasn't paying attention to the pump gas stipulation before. I guess I just assumed that anyone who was building such a nice set-up would run race gas when they wanted to go fast. I still say GT35R, otherwise you're just handicapping your self.
 
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