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2G Failing to make a choice FP Green or V1 FP 68HTA

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EVLGSX

5+ Year Contributor
655
253
Dec 7, 2017
Wallingford, Connecticut
Hey guys-


As of today, I am driving on an EvoIII 16g. Its fun and all but, after a short period, it leaves plenty to be desired. Im picking up a meth kit from a fellow member later this week as there are no E85 stations in the hurtin state of CT.

I have 2 mint condition turbos on the bench, ready to go.

A) FP DSM Green

B) FP 68HTA V1

After the meth kit is in, I should be able to support all of what the 68 has to offer, and most of, if not all of what the green can dish out.
Both are very clean, and I know the Green can flow a bit more. I had planned on swapping in the Green months ago, and still have not done it. I think in part because I recently discovered that I had the 68HTA stored away this whole time and didnt even know it (long story). Its not like the 68 can flow a ton more than what Im on now today, but its enough to notice for sure. I mean they are easy enough to swap, but I tend to not have the time to spend on my own stuff and the good weather is near. I need to get this done. I figured maybe I could try and collect a few opinions from you guys on this. Its street car. Maybe I will take it to the track at some point and see what I can do with it..........Anyway- any input would be great!

Thanks guys!! Jason
 

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Maybe I will just put the meth kit in and squeeze every last drop out of that evoIII. Better get a heat shields/blankets on the manifold/turbine housing, A/C fan will be liquefied.
 
Hmm, this is a pretty sweet position to be in. Both are great turbos but the green could make 100hp more. I'm not sure what your mods are, but both turbos carry a lot of value and could sell one or both to buy mods you need now.
 
Good question, hope some green runners chime in.

Im running an EF1 at the moment. Very similar to a V1 hta68. But I have a full hta73 green setup sitting in the garage.

Im told the EF1 is very similar to the old hta68. Before I ran the ef1 I was running an evo3. I was able to dyno the ef1 at English Racing last summer. 320whp at 21psi on pump gas. The ef1 is fun, hits very hard and pulls to redline. It hits harder than the evo3, and pulls harder throught the entire power range over the evo3. However, as I found out when I had a t28, to an evo3, to an ef1... i want more.

I have not had a chance to run the green yet. The ef1, like a v1 hta68 is pretty amazing though! It hits so hard that now im more intune to the possibility of spinning all 4. With e85 and 25psi, watch out. However, I already feel myself wanting more... And I think its time to step up to a 20g/50trim style turbo.

I feel a little like a v1 hta68 is more of a fast hitting monster 16g. Are you wanting a turbo that hits very fast and hard, or something that will spool a little slower, but get you to that next level of power? Are you content on pushing a v1 hta68 to its max and reaching maybe 350whp or working with a green for closer to 400whp.

I myself am at that point of giving up that fast spooling 16g style turbo, for something more.
 
Id love to prove 400+ with either of the two 16g types I now have. I think I could do it for sure right now on my evoIII if I had the meth installed or E85.
60mm NT TB/HKS 264/272/3'' turbo back Thermal RD/FIC 1200cc/Walbro 225 Rewired/Evo8 MAF

think everything else can be seen




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Im running about the same setup as you, however im on an evo3 exhuast mani.

If you are really into tuning and know alot about it you might get a 16g style turbo to mid to high 300whp. But is it worth it? A green will flow cooler safer air over any 16g style.
 

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Yeah Ive been thinking about the cooler/safer part for sure ( look at my comment about the melting fan post#3)

Its stuff like that which has got me leanin green, but i really want to try the 68 really to compare it back to back on the evoIII. Another thing Im considering is how I will do the wastegate going forward. I have options. Right now the evoIII is on the OE internal WG ported, OE actuator. Massive spikes (remeber Im limited by pump gas right now,meth setup in 2 days, cant wait). I just picked up a Holset HX40 WG actuator and plan to craft an actuator for the 16g from it ( def not the 1st to do this) and was gonna pop that in in the next few days. Also, I have a Boostin performance recirc O2 Housing with a Tial 38 which could be worked into a setup.

I have 16 turbine housings everywhere so I could take one of them, yank the flapper & parts and weld the arm hole shut, and port the wastegate flow hole to match the tial 38 thereby creating the ideal 16g turbine housing for an O2 housing recirc setup. All this assuming I do use the 68.

OR if I go Green, its setup internal right now..........zero XP with these.......do they perform properly??? I do not have a turbine housing to create the ultimate FP green turbine for the recirc deal......and this green is almost brand new so Im a little apprehensive about tearing the flapper out. Maybe I can just tack it open or wire it open but will it flow enough if I do? Guess thats gonna depend on how much of its boost I use. In that regard, the more the better. So Im stuck on that choice too, which is a huge factor for me and my corny street car.
 
I have seen people run the internal gated greens. I would assume fp would have put a strong enough wastegate on.

I went with a mvs external.

You have alot of options you could go with. We need a few more people who have actually ran both an hta68 and a green.

Jakk220 has atleast ran a 16g and a green. Jakk220, does the green just pull harder or is it a whole different power throughout the whole rpm range?
 
I ran the v1 68hta. I was pushing it to the max at 30 psi internal wastegate. At that psi I was getting compressor surge. If you have a built head the green is going to give you a better power band. If your limited to 7500 rpm I would stick to the 68 hta. It's a very fun hard hitting turbo. I would spin all 4 tires and would build about 12-15 psi with the 2 step off the line.
 
Yeah I would love to be able to hammer my car like that But it would just blow the tender OE driveline apart. For the most part, I stick to stepping into it from a roll as I havent done anything DL related yet. Thanks for the input on this fellas......

Id love to hear from anyone on the green and how they made out with the FP supplied internal gate. Actuator seems every bit as strong as a holset unit. The boost control is a huge factor for me, Im switching the IR solenoid and will be controlling through ECM link which will likely change things in a major way with the variable control through different conditions. But Im sure being mechanically solid will only make it better
 
Heres an update to this thread I pretty much forgot about.......haha guess its a boring topic that nobody really cares about........ I ended up using the 68HTA V1. Running 30 psi and dealing with the obnoxious compressor surge. Took me a little while to figure out that it was surge, I have never had a turbo/engine do this. The power is exactly what it should be for what my setup consists of and I am just about certain that I have achieved my HP goals on pump gas with meth on a 16g turbo. Hopefully I can get it on a machine in the next few weeks and prove it. Ended up using the Tial 38 with the recirc o2 housing too. I hate the surge, and will likely pull this turbo really soon if I am unable to figure something out. I know there is the compressor cover FP offers, but at that point, may as well run the green.

Thanks to the few that did offer some input!
 
Good to hear an update. I have finally made the switch to the green...

I have been running it for a few weeks now. Completely different turbo then a v1 68hta style turbo. I have by no means pushed either turbo, as I run 92 pump gas. But they are noticeable different beast... the 68 style is harsh and hits HARD, but levels off. The Green doesnt hit hard at all, but 4k to redline pulls so much nicer...

I can say this for sure, YES the green is lagger, no arguing it! However YES it pulls much harder up top, no arguing it! I have hit the rev limter more then ever before running the Green... it just dosnt stop pulling, im not used to it yet. :)
 
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