Going 2.4L Stroker but not sure which Turbo

AMS stampy · Nov 2, 2004

eclipsegsx9797 said:
go with the gt35r for sure, with the to4s cover and a .82 a/r. id also go with ams custom gt35r that they have made. its just alittle bit diffrent but its worth the extra 100 dollars. this turbo is alsome ive seen cars with 2.3 setups trap all day in the 130's.

eric the white 1g from ams put down over 550whp at only 26psi if im not mistaking with there gt35r. his car is daily driven also and traps all day in the 130's. id give ams, agp, sbr, br, or some other known shop a call and ask for more details.

as far as any other turbo out that that makes great power is the fp3065 this turbo is nuts for a bolt on. its pretty much a bolt on gt30r but seems to work alot better, it seems to put down better time's then even the gt35r. its a huge decision if your looking at these two turbos and im sure you would be happy with either one.

Thanks Jim. I made 580 whp on 26psi and the car traps 135.7 currently. Havent tried with the the new T04 housing and tubular manifold but I am sure she will hit the 140 range no problem

Eric

JohnTSI · Nov 2, 2004

TurboSpoolinIns said:
Um, the 3065 and the GT35R are almost the same turbo just fyi and times don't tell you much about a turbo as cars can have very different setups or weigh alot less than yours. Both the 3065 and the GT35R have the same 61mm 56 trim compressor wheel. Pretty much if you have a T3 flanged manifold, get a variant of the GT35R. You can get a turbo like the PTE GT3561 which is pretty much a GT35R minus the "R" (ball bearing) and costs $500 less. If you have a mitsu flanged manifold, you have the choices of the FP 3065, and any other turbo available as a bolt on as there are many companies making bolt on 61mm turbos (PTE sc61, 3561, SBR turbos, etc..).

There is a big difference n a gt30 turbine and a 35 turbine, we have both a 3065 and 35r they are not same period. Same compressor yes but the turbine size difference changes the way the 2 perform. Then again we ran only 82 and 1.06 ar housings on a 2.0L street car and still consider it streetable where as a lot of guys on this board think if you don't make boost by 2k it is crap. I would suggest the 35R or the FP67 perhaps for a 2.4, just my thoughts.

Stapl3 · Nov 2, 2004

Just be sure to get a Ptrim for that 2.4.

poorboyj · Nov 2, 2004

Okay what about this, an FP3575 vs. the FP T67?

Both use the same cold side, T04S 0.70 A/R compressor housing, 67mm 75lb/min. GT40 compressor wheel. Only the FP3575 uses a GT37 turbine wheel in the cast FP 0.70 A/R turbine housing, and the FP T67 used a T4 P-trim turbine wheel in a T31 turbine housing (is this info correct?).

I would assume the FP3575 might spool just a little sooner, but the FP T67 would have just a little more top end.

We need one of you hackers (computer programmers) to write a program that digitizes a dyno charts HP & TQ graph, accounts for a car gear ratios, sums and averages the car's HP & TQ from launch RPM in first, through rev limit in 4th, and outputs a single number. That should correspond with who would make it down the theoretical track sooner. Yes, weight, traction, and driver would affect this too, but we're bench racing and comparing turbo's here.

Jay

Stapl3 · Nov 3, 2004

poorboyj said:
We need one of you hackers (computer programmers) to write a program that digitizes a dyno charts HP & TQ graph, accounts for a car gear ratios, sums and averages the car's HP & TQ from launch RPM in first, through rev limit in 4th, and outputs a single number. That should correspond with who would make it down the theoretical track sooner. Yes, weight, traction, and driver would affect this too, but we're bench racing and comparing turbo's here.

Jay

There are programs like this all over Google. They're helpful. There's so many damn factors though.

Mirage2LTurbo · Nov 3, 2004

Most worthless program ever. Maybe we should all just get down to the basics, I've got $5,000 in my bank account, now that COULD buy me x parts, which COULD yield me x hp/tq, and that COULD be driven to a x time.

Seriously, get your lazy asses to the track. There's a little factor called "Driver" that determines your time. You want to compare power, go to the dyno.

1997 Eclipse · Nov 3, 2004

What are the main difference between a FP3575 and say a SBR GT35R? What is also the difference in spool for the GT35R vs the GT40 and T67 and . A questioned I asked a few post go was, if I keep my SBR GT12 56trim, would this be too small for a 2.4L? Thanks

TurboSpoolinIns · Nov 3, 2004

poorboyj said:
Okay what about this, an FP3575 vs. the FP T67?

Both use the same cold side, T04S 0.70 A/R compressor housing, 67mm 75lb/min. GT40 compressor wheel. Only the FP3575 uses a GT37 turbine wheel in the cast FP 0.70 A/R turbine housing, and the FP T67 used a T4 P-trim turbine wheel in a T31 turbine housing (is this info correct?).

I would assume the FP3575 might spool just a little sooner, but the FP T67 would have just a little more top end.

We need one of you hackers (computer programmers) to write a program that digitizes a dyno charts HP & TQ graph, accounts for a car gear ratios, sums and averages the car's HP & TQ from launch RPM in first, through rev limit in 4th, and outputs a single number. That should correspond with who would make it down the theoretical track sooner. Yes, weight, traction, and driver would affect this too, but we're bench racing and comparing turbo's here.

Jay

I have the FPT67 on my 2.4 and I know of a person with the FP3575 (gt35 exhaust wheel as the 3775 is the gt37 exhaust wheel) on his 2.0. From what I was told, his car spools almost the same as mine and has made similar power.

TurboSpoolinIns · Nov 3, 2004

1997 Eclipse said:
What are the main difference between a FP3575 and say a SBR GT35R? What is also the difference in spool for the GT35R vs the GT40 and T67 and . A questioned I asked a few post go was, if I keep my SBR GT12 56trim, would this be too small for a 2.4L? Thanks

The 3575 has a 67mm compressor wheel as the GT35R has a 61mm compressor wheel which flows 10 lb/min less. Anything can be "too small" for anything. Again, how much power and lag do you want?

1997 Eclipse · Nov 3, 2004

What is the spool and the flow of the T67 vs GT35R vs FP3575? I am looking at spooling around 3500 - 4000rpm. What hp am I looking at - minimum 400WHP.

TurboSpoolinIns · Nov 4, 2004

1997 Eclipse said:
What is the spool and the flow of the T67 vs GT35R vs FP3575? I am looking at spooling around 3500 - 4000rpm. What hp am I looking at - minimum 400WHP.

Ha, you're looking at the wrong turbos then. A 50 or 60 trim or the turbo you currently have will make 400 whp and spool 30 psi between 3500-4000. 61mm turbos will generally spool 30 psi at mid 4s, and the 67mm turbos will spool 30 psi at early to mid 5k in 4th gear. On lower boost like 20 psi, minus about 250-400 rpms of lag.

EDIT:Of course people usually running 30 psi are running race gas. From your original post, you say you don't have anything better than 90 octane. I don't know if it'd be possible to make your power goals at such low octane gasoline.

1997 Eclipse · Nov 4, 2004

Remember I only have 90 Octane fuel here. May be I should modify my spool to 4000 - 4500rpm. With the existing SBR GT30 56 Trim, I will not be optimising the power of the engine. On my current setup, I am only making 270whp at 14psi.

herostar · Nov 4, 2004

for what it's worth... gritsak trapped 124 in the 1/4 mile, which equates out to about 450whp, and that was a 2.3L with a 60-1 running 21 psi on race gas. I reach 20psi with the same setup at exactly 3500rpm.

Mirage2LTurbo · Nov 4, 2004

I'm running a PT67 P trim T04s on my 2.0, 272, FRH SMIM, 1m+ valves, ported head, EMS, etc and spool 15lbs by 4700 (well tuned) and 30lbs by 5500 on a very, very rich tune.

eclipsegsx9797 · Nov 4, 2004

damn those are some lag turbo's. ive seen them things hit 26psi before 4k.

if i was you and u only have 90 octane i would get the 2.4 or 2.3 with 9:1 compression pistons this way you will pick up alot quicker spool. get the gt35r, with some equal length header, and some water or methinol injection witch will alow you to run about 24 psi safe on 90 octane. this way you would actully use that turbo and motor. other wise id just get a stock 6 bolt with arp head studs and 2g pistons and put a 50 trim on there. you will make over 400whp with all the other good stuff such as intake manifold cams ect and it would be cheaper.

good luck

Mike 99GSX · Nov 4, 2004

eclipsegsx9797 said:
damn those are some lag turbo's. ive seen them things hit 26psi before 4k.

What things? A 67mm compressor wheel/P trim turbine wheel is considerably bigger than a GT35R. Actually, if he's getting 30PSI @5500RPM on a 2.0L, I'd say that that is pretty damn good.

eclipsegsx9797 · Nov 4, 2004

Mike 99GSX said:
What things? A 67mm compressor wheel/P trim turbine wheel is considerably bigger than a GT35R. Actually, if he's getting 30PSI @5500RPM on a 2.0L, I'd say that that is pretty damn good.

ok i didnt see the 2.0 or the 67mm i over read that being the normal 61mm wheel sorry about that. :thumb:

f4st · Nov 4, 2004

eclipsegsx9797 said:
damn those are some lag turbo's. ive seen them things hit 26psi before 4k.

if i was you and u only have 90 octane i would get the 2.4 or 2.3 with 9:1 compression pistons this way you will pick up alot quicker spool. get the gt35r, with some equal length header, and some water or methinol injection witch will alow you to run about 24 psi safe on 90 octane. this way you would actully use that turbo and motor. other wise id just get a stock 6 bolt with arp head studs and 2g pistons and put a 50 trim on there. you will make over 400whp with all the other good stuff such as intake manifold cams ect and it would be cheaper.

good luck

dude i seriously doubt he will be able to run 24psi on 90 octane just because of water inj.

eclipsegsx9797 · Nov 4, 2004

f4st said:
dude i seriously doubt he will be able to run 24psi on 90 octane just because of water inj.[/QUOTE

with 93 i could run 26 with no knock and great timming i could pull a log up here soon if you would like to look. i took away 2psi because of the the 3 less octane. either way it would allow him to run more psi and actully using what the 2.4 and gt35r should do

Mirage2LTurbo · Nov 4, 2004

It can be done, the better question is, Why would you want to do it?

eclipsegsx9797 · Nov 4, 2004

Mirage2LTurbo said:
It can be done, the better question is, Why would you want to do it?

Why because he only could get 90 octane and with the water injection it would alow him to run more psi and actully use what the 2.4 and the gt35r wants to do.

Mirage2LTurbo · Nov 4, 2004

Where in this country can you only get 90 octane? I think it was more of a preference, not a need.. in other words, the way I read it, he can get higher, he would just rather not.

Mike 99GSX · Nov 4, 2004

Mirage2LTurbo said:
Where in this country can you only get 90 octane? I think it was more of a preference, not a need.. in other words, the way I read it, he can get higher, he would just rather not.

He was posting from Manilla, Asia

Mirage2LTurbo · Nov 4, 2004

My mistake

DSM-ZERO · Nov 4, 2004

you only need one TURBO
HOLSET H1C
1.3 A/R
77mm compressor

I had this turbo on my 2.0
in 4th gear starting at about 2000rpm I made 7psi by 4400rpm
YES it has a big A/R but it is a divided turbine housing so it keep's the exhaust pulses closer and helps spool the turbo

I never dynoed it But I sold it because I needed the money AS soon as I get more$$$ I'll buy another one
If you are all wondering WHAT THE HELL IS A HOLSET it is a dodge diesel turbo!!!
alot of supra people use this turbo

If you got a 2.4 just go straight T4

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