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Old 02-14-2010, 12:39 AM   #1
samo22
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Default Trying to decide between EvoIII 16g or vf turbo

I had my heart set on getting a used vf turbo (preferably a low mile vf48) for the cheaper cost than a brand new Blouch EvoIII 16g, but recently I've been thinking of going with the 16g for couple hundred dollars more. Ultimately, what I want is to achieve my goal (stated below) with balance of great reliability and low cost.

I have a 95 L with 02 wrx motor swap and rs transmission/brakes/suspension. Current setup is greddy sp2 cbe, catless dp, sti up, sti tmic, prodrive 3 port bcs, k&n drop-in filter, stock td04, act hd clutch, and protune.

My goal is to get around 260 to 270 whp on a mustang dyno (lower reading dyno the better). I'm more focused on having a reliable set up rather than higher power. I'm a little worried about the transmission but as long as I'm careful, I think it's fine. I daily drive the car and would prefer to have a fairly quick spool, but don't the vf39/48 and the evoIII 16g spool about the same anyways? I'm looking forward to wot on on-ramps or open road to feel a nice pull once in a while . My car weighs 2780 lb without driver and half tank of gas.

I plan to upgrade the turbo this summer. For injectors, I'm planning on either modding the stock ones or buying a used set of sti injectors. Plus a fuel pump. I wasn't planning on getting a turbo inlet because I'd like to keep my engine bay looking stock (wrx, not L of course). Would the stock turbo inlet fail or even fit on the 16g? If i decide to get an inlet, I'd get a gimmick one with a maf tube. I'll have my car protuned with piece of ****in ****ty ass cali 91 piss octane. No ewg or meth for me.

Honestly, I'm leaning towards the 16g but then i could probably achieve my goal for the cheaper route and I can't decide. Anyhow, any inputs would be great. Please help me decide!
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Old 02-14-2010, 01:22 AM   #2
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the factory turbo inlets fail with great regularity and upgrading is cheap insurance

a vf48 over the 39 and the evoIII over both of those especially with 91 piss gas
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Old 02-14-2010, 01:36 AM   #3
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That's true, it would be a cheap insurance. Something failing is the last thing I want. Thanks
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Old 02-14-2010, 02:06 AM   #4
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look for a vf34 imo.. port and polish and have near td04 spool times.
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Old 02-14-2010, 02:09 AM   #5
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I swapped from my stock TD04 to a VF39 and drove it for about a year, it was ok, then I swapped on a normal 16g (not evo3) and its about the same. Boost might come on a LITTLE bit sooner, but the top end is nearly identical. I also added water/meth when I put on the 16g, so I ended up gaining TONS of torque after my tune, but that was mostly from the added boost I could do with the meth.

I'd say the 16g is a better turbo than the 39, but only hardly... and you can find VF39's for damn cheap on here (I sold mine for $250). I have no experience with the 48 or 34 though, so I can't say how they compare to the 16g.

For what its worth, my car does 275whp and 275wtq on a mustang dyno with the 16g and water/meth.
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Old 02-14-2010, 02:20 AM   #6
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I tried looking for a vf34 before, but they are harder to find used. Does vf34 spool that significantly quicker than the evoIII 16g? I always thought that vf34 spools maybe about 200 rpm quicker or about the same.
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Old 02-14-2010, 02:30 AM   #7
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Quote:
Originally Posted by twizzstyle View Post
I swapped from my stock TD04 to a VF39 and drove it for about a year, it was ok, then I swapped on a normal 16g (not evo3) and its about the same. Boost might come on a LITTLE bit sooner, but the top end is nearly identical. I also added water/meth when I put on the 16g, so I ended up gaining TONS of torque after my tune, but that was mostly from the added boost I could do with the meth.

I'd say the 16g is a better turbo than the 39, but only hardly... and you can find VF39's for damn cheap on here (I sold mine for $250). I have no experience with the 48 or 34 though, so I can't say how they compare to the 16g.

For what its worth, my car does 275whp and 275wtq on a mustang dyno with the 16g and water/meth.
So that was the small 16g? The primary reason why I want the 16g over used vf turbo is because I would get it brand new. First, it will be more reliable than a used turbo and I don't have the risk of getting scammed. Brand new vf series turbo is just too expensive.

I also considered the Blouch small 16g, but came to a conclusion that I'd rather spend $250 more to get the evoIII 16g. But small 16g might be good enough to get at least 260 whp on mustang.

Last edited by samo22; 02-14-2010 at 02:32 AM. Reason: for better clarity
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Old 02-14-2010, 02:34 AM   #8
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Quote:
Originally Posted by samo22 View Post
So that was the small 16g? The primary reason why I want the 16g over used vf turbo is because I would get it brand new. First, it will be more reliable than a used turbo and I don't have the risk of getting scammed. Brand new vf series turbo is just too expensive.

I also considered the Blouch small 16g, but came to a conclusion that I'd rather spend $250 more to get the evoIII 16g. But small 16g might be good enough to get at least 260 whp on mustang.
a ported vf34 will spoll around 3000, on a 2.0 motor. thats alot faster than a evo III will.. but that said.. If i had to redo it.. I would go with a evo III from the start. Boost is addictive.
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Old 02-14-2010, 02:35 AM   #9
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Quote:
Originally Posted by samo22 View Post
So that was the small 16g? The primary reason why I want the 16g over used vf turbo is because I would get it brand new. First, it will be more reliable than a used turbo and I don't have the risk of getting scammed. Brand new vf series turbo is just too expensive.

I also considered the Blouch small 16g, but came to a conclusion that I'd rather spend $250 more to get the evoIII 16g. But small 16g might be good enough to get at least 260 whp on mustang.
Yes mine is a small 16g, 275whp on a mustang isn't unreasonable even without meth. I only gained about 10whp going from no-meth and VF39 to water/meth and 16g, but I gained like 30ft-lbs of torque If you're planning on going new with the 16g, I'd do that, can't beat the peace of mind with a brand new turbo (I bought my 16g used, its a forced performance... its just fine though)

Last edited by twizzstyle; 02-14-2010 at 02:41 AM.
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Old 02-14-2010, 02:39 AM   #10
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Here is my dyno plot with the FP small 16g and water/meth. This just gives you an idea of where the power comes in with this turbo.

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Old 02-14-2010, 02:42 AM   #11
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Quote:
Originally Posted by Mekks View Post
a ported vf34 will spoll around 3000, on a 2.0 motor. thats alot faster than a evo III will.. but that said.. If i had to redo it.. I would go with a evo III from the start. Boost is addictive.

My EvoIII 16G was making 22psi at 3100-3200 RPMs when I was on the stock 2.0. At the same boost, it makes buttloads more power than the VF34. It also holds power WAY better up top.


This discussion of a VF-anything vs. an EvoIII is nonsense. The EvoIII will make more power, make it just as quickly, and hold it better up top. This argument is nonsense, you're comparing an obsolete turbo to one that's proven to be better in EVERY way.




If you wanna compare the VF34 to a Small16g, that's fine, they are closer in comparison, though the Small16 will make its power a bit sooner, and will be happier when running high boost such as with meth or race gas. However, this comparison is with the EvoIII and VF turbos, which is an easily won argument in favor of the EvoIII. The only thing a VF has in its favor, and not necessarily always, is price.
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Old 02-14-2010, 03:27 AM   #12
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Difference between small 16g and evo 3 16.

Make your own judgment.

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Old 02-14-2010, 07:53 AM   #13
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Twizzstyle, that's a nice torque curve with meth.

Audiosavvy, did you have any meth or ewg with your stock motor evoIII 16g setup? The cheap cost of the used vf turbo was the only thing that is holding me back from choosing the evoIII 16g, but at the end of the day after everything is installed and tuned, I'll probably be happier with the evoIII 16g for the performance and that feel of having a reliable new turbo than a used vf.

I'm gonna save up a little more and go with the evoIII 16g. Thanks for the help everyone.
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Old 02-14-2010, 10:32 AM   #14
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EVO3-16G-8cm is a very nice turbo. On my low compression ratio setup; EJ22T shortblock and '03 WRX heads (7.7:1?) I got my 20psi at 3600rpms 4th gear on the 6spd on pump gas.

I was never at lowe RPMs when trying to go fast. I had 6 gears to choose from.
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Old 02-14-2010, 03:24 PM   #15
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i wouldnt compare an ihi turbo to an evo16g. those turbos put out more power and torque. but since ur goal is 270whp range, grab any ihi turbo, itll put u there with a nice tune. even the vf22, id choose 16g any day. plus, when it goes boom, atleast u can rebuild.
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Old 02-14-2010, 03:41 PM   #16
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get a evoIII 16g you WILL love it
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Old 02-14-2010, 09:26 PM   #17
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I will second Audiosavvy. I have and evoIII-16G with meth...power comes on early and it just keeps pulling all the way to redline...this is at 22psi with the meth. I have a few more goodies planned...EWG, headers, larger meth nozzle...hoping to push it to 24psi. These turbos also really come alive when you start to crank the boost. They just love it.
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Old 02-14-2010, 09:39 PM   #18
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i have the e316g. i considered seriously td04-19t, then settled on a small 16g, and finally purchased the e316g. im running e85. self tuned it hit 20+ at 3500 or thereabouts.

around town punch is a blast. and this is what i was fearful of loosing.

of all the turbo's you've mentioned i'd go e316g. my experience turned out better than expected.

though i suspect i'll never run meth, it sounds like meth + pump brings you similar results as e85. my last dyno day i hit 277. this was after i dialed it back bunch because i hit boost cut and it freaked my out and i didnt know what it was at the time. after i figured that out, i raised my boost cut around 22 (im trying to save my tranny) and i suspect im approaching 290 to 300 potentially.

at least for me its fun to drive around town, 3rd gear acceleration is fun. and i rarely see above 6000 rpm..
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Old 02-14-2010, 09:44 PM   #19
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I went with the evoIII. I searched and waited and scored a deal with injectors and fuel pump for $650. Im having it put on while Im deployed. After all the searching I did, the 16g turbos seemed to be the best choice for the 2.0. Ill be back in march and am gonna post up results after I get the tune done, maybe that could help you in your choice since youre not doin it till this summer..
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Old 02-15-2010, 04:03 AM   #20
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Thanks for the inputs everyone. My heart is now set on the evoIII 16g. I can't wait until June when I install everything and get it tuned.
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Old 02-15-2010, 02:20 PM   #21
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Im got the E316G as well and from everything I read its the best turbo to go with for WRX motor. Im deployed right now so parts are just getting collected in my garage. I can't wait to throw it on. Get it PnP for a slighly quicker spool, sending mine off to Grimmspeed pretty soon. Also might want to look into something bigger than the STi pinks too. I went for the DT750cc. Good luck on the build, please update with the results.

Last edited by noktrnal1; 02-15-2010 at 02:29 PM.
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Old 02-15-2010, 04:27 PM   #22
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Yes, you WILL need larger injetors, 650cc minimum on pump gas.
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Old 02-15-2010, 08:09 PM   #23
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e316g!
or 18g
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Old 02-15-2010, 08:46 PM   #24
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Oh yeah, I'm definitely going with a modded stock injector and have them flow tested. I meant either sti pinks for vf turbo or modded stockers for the evoIII 16g.

And yes, I'll definitely post results once I'm done!
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Old 02-15-2010, 10:24 PM   #25
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def the evoIII 16g.... the vf turbos are pretty much stock equipment.
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