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2.4L Stroker Turbo Decision.

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interex

15+ Year Contributor
1,039
1
Apr 28, 2008
Centralia, Illinois
I have a 2.4L Stroker engine. 2G Setup.
4G63 Block, .040 over
Eagle 4G64 100mm Crank (cryo treated)
Eagle HBeam Rods
Arias .040 Stroker Pistons 9.1:1 CR
2G Fully Ported Head, 5angle grind, bronze guides, and bigger valve seat.
High Flow Fuel Rail, and have FIC 1050cc injectors coming.

I have been looking all over the web this morning and have come across several posts/threads with people making between 500-600 hp using such turbos like the SC4431R and GT35R and between 600 and 660 using the GT37R and SC6152R or the T67. I've read of people like Tim Zimmer making around 800hp on Eagle H-Beam Rods on his 2.3L Stroker using a 4088. I've come to determine the 4088 might be too big for me... With my setup according to AMS I should see 10% Torque Gain, and 500-600hp RPM quicker spool up. I just need to find out which turbo would be best for around a 600-650hp goal without nitrous!
Also, I'm not looking for what supporting mods I need, or must have, or what YOU think I will need to do before I can get any type of turbo, nor if you think my engine can handle it. I've already found more than a dozen threads talking about people with strokers using Eagle Rods, Making good amounts of power!
 
For me it is obvious:

GT 37R; HTA T4Z ; T67.
If it was up to me I would get T4z HTA from FP.
BTW one of my best friends made 675WHP using BW S366 with T3 inlet 0.85 AR @ 35-36 psi. This is a good option considering the price.
 
Okay. Any confirmation on RPM limit on 2.3/2.4 strokers? I'm told by some people on this forum that I wont be able to rev high enough to make much power with a big turbo. I was even told the 35R or 37R would be too big for this engine. What is your idea?
 
Okay. Any confirmation on RPM limit on 2.3/2.4 strokers? I'm told by some people on this forum that I wont be able to rev high enough to make much power with a big turbo. I was even told the 35R or 37R would be too big for this engine. What is your idea?

8k is an acceptable rev limit. 35R or 37R would be fine, it will spool faster with the longer stroke, bigger bore and increased compression. :thumb:
 
8k is an acceptable rev limit. 35R or 37R would be fine, it will spool faster with the longer stroke, bigger bore and increased compression. :thumb:

I thought you didnt like the 35R heh. Seems some people disagree with you on using anything bigger than the 35R on a stroker.
 
Okay. Any confirmation on RPM limit on 2.3/2.4 strokers? I'm told by some people on this forum that I wont be able to rev high enough to make much power with a big turbo. I was even told the 35R or 37R would be too big for this engine. What is your idea?

8K is probably the limit I'd take mine to. Keep in mind the 2.4L flows 20% more air. So 7.5K rpm in the 2.4L is like 9K in a 2.0L.

So needless to say, I think you could make enough power with a big turbo. ;)
 
There are several people, I'm not going to mention any names, that take stroker motors well above 8K. I'm not trying to down anyone, but who ever it was that told you you couldn't benefit from a big turbo I disagree with. There is no reason why a 4088r wouldn't be an amazing turbo for you. Where are you looking to make peak power at is the real question you need to be asking yourself, before deciding on a turbo for sure.
 
There are several people, I'm not going to mention any names, that take stroker motors well above 8K. I'm not trying to down anyone, but who ever it was that told you you couldn't benefit from a big turbo I disagree with. There is no reason why a 4088r wouldn't be an amazing turbo for you. Where are you looking to make peak power at is the real question you need to be asking yourself, before deciding on a turbo for sure.

Thank you very much for the simple response. I had a thread that I asked Defiant to remove due to the entire thread getting out of line and people making degrading/downsizing comments about the turbo decision I was trying to make. A "DSM Wiseman" even said that the Eagle Rods would not handle the force from a 4088. I honestly thought the 4088 might be a good turbo. DBB or Not... I would like to make power around between 4500-8600 or so. I think that is an acceptable range but then again I'm not too sure. I'm kinda new to this Stroker setup. That is one of the reasons I'm asking here :). I have been looking to get DSMLink but right now I'm not going to until I get my engine and everything all in the car. Next week I'm going to start making my custom intake manifold so hopefully that will give me something else to worry about until I can get a turbo and tubular manifold :)
 
i got a 35r .82 a/r t31 housing 4bolt exhaust side for sale LOL.

but seriously the HTAs seem to be the new 'in' thing and have proven so far to keep up to the hype.
 
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