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Gtx35r or tial hta3076 ???

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Old 12-01-2017, 05:41 PM
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Gtx35r or tial hta3076 ???

So I was planning on upgrading over the winter to tial 3076 but after a long (2-3 weeks so far) discussion Iím thinking maybe external wastgate manifolds and Garret gtx35rís. In the near future Iíll be doing rods and adding meth. I have 60lb injectors so will need to upgrade them whichever choice I make with the turbos.

Any input off guys who have done either or both is very much appreciated. Cheers
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Old 12-01-2017, 09:56 PM
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I've had both... for the street and hwy pull i'd do 30s all the way.
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Old 12-01-2017, 11:35 PM
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Do you have a built motor?
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Old 12-02-2017, 12:18 AM
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Originally Posted by brnrdtns View Post
Do you have a built motor?
Yes... see the build. I've since purchased a gt3rs and have really enjoyed the na motor and more focused on chassis, suspension , handling, entering and exiting an apex since then. However, I do miss the straight line rush of boost.

https://www.6speedonline.com/forums/...will-born.html
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Old 12-02-2017, 03:51 AM
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I don’t have a built motor yet. I have been thinking of getting tial 3076 turbos but now I’m thinking it wouldn’t cost much more to go with 35’s and be conservative with them until I build it, then I won’t run out of turbo? I’ve gotten back used to big bike speed over the last few years and it’s making me want much more from the car I’m doing a lot of shopping around at the moment though as the old “Porsche tax” seems alive and well and crazy as ever. Their was always great info on here so I’m hoping you guys can give some informed advice.

I do remember a member here, I think named Powell who ran 35’s on a stock motor for a while? He still around?
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Old 12-02-2017, 04:44 PM
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Well that decision really depends on the car you want to build. The gt35 is going to not be a very street friendly car. Turbos are just slow to spool, especially if you don't do a bunch of head work during the motor build.

the new gtx gen 2 3076 flows a lot and would be another alternative to the tial 3076 but would require headers and external gates to do so.

really have to decide what power level you want, what your budget is, and where you want to drive it.
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Old 12-02-2017, 05:03 PM
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I remember a GT35R car owned by a member called Powell. That seemed decent. In reality I think it will be much more friendly on my wallet to just go rials for a while and then plan a proper build. Would love something like “King Kong” bib Porsche ultimately
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Old 12-02-2017, 05:10 PM
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Well a king kong built is going to cost ya well over 100k.
with nothing crazy, rods and headstuds, you can run 1000whp but past that you'll start spending tons of money.
I'd still recommend doing head work too. Head porting and cams really help when up in the 800whp+ range.

I ported my own heads, did big cams as well as valve springs on my build
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Old 12-02-2017, 05:13 PM
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Yeah, getting that (100k) past the wife may prove difficult. So, reality, 1000whp you say? Sounds like fun what turbos will be best for that then?
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Old 12-02-2017, 05:16 PM
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Originally Posted by Mpsuk View Post
Yeah, getting that (100k) past the wife may prove difficult. So, reality, 1000whp you say? Sounds like fun what turbos will be best for that then?
yes 1000whp you can do with a gtx/tial 3076 or can run what I do an efr7163. The efr can do 1100whp and car cheaper than the tials.

1000whp is kinda the sweet spot for it still being a street car. Past that it get Kathy and hugely expensive.

what's currently all on the car now.
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Old 12-02-2017, 05:20 PM
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Currently running tial gt28/60rs with all supporting mods. Not bad but not scary at all. What supporting mods are required for this type of build? By the way, thanks for all the advice, very helpful.
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Old 12-02-2017, 05:27 PM
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2860, tiny little guys.

for 1000whp here is what you need
rods
studs
Turbos
4.5 intercoolers
big y pipe
74mm tb and plenum
big fuel system
tuning (standalone is the best option)
triple disk clutch
rebuilt trans with 997 gt2rs main shaft with 1-3 gears (can run on stock trans if you torque limit)
1000hp axles
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Old 12-02-2017, 05:30 PM
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Great. I’m hoping to do it in stages. Thinking, tial turbos set up mildly for a while to keep me going while I’m then piecing together that shopping list
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Old 12-03-2017, 11:31 AM
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Was just browsing through this section, saw the post and noticed my name was mentioned LOL! So I'll clear a few things up

When I was stock motor I had a pair of Precision 5857 (Non BB) which flowed about the same as a GT30 at the time (keep in mind this was 2008-2009, technology has changed quite a bit now). That setup on stock ECU made 809rwhp and with a standalone it made 876rwhp; both numbers were made on MS109 fuel. The car had 6" BL Intercoolers, Y-Pipe, intakes in the fender well, 2x Bosch 044's connected to a Surge Tank for fueling, 1000cc injectors and a Tilton Triple Disk Clutch.

I had my motor built when my transmission DESTROYED 3rd gear (1 partial tooth left on the gear). My motor build was fairly simple it was done by an engine builder in Austin. It stayed stock 3.6ltr (I had LA Sleeves though), Carillo Rods, CP Pistons, 10mm Headstuds, Headgames Ported Heads and Reground Cams, GT3 Oil Pump, etc... That's when I went with the new at the time (2010) Garrett GTX 3584's which is what I made 1050rwhp on E85 with basically the same modifications except I now had a Weldon Fuel Pump (no more surge tank), 2000cc Injectors and a 997TT intake (No IPD). That setup is what went the 3.92 60-130 and 155mph in the 1/4 mile with.

When that motor blew a headgasket (C85 on ID2000s is a No No, but we didn't know that yet) it got freshened up and I swapped turbos again to Precision CEA Gen2 6466's which on a mix of E85/C23 (50/50 mix) made 1350rwhp which lasted all of a few months before a rod decided to exit the block at 7000+ RPM.

Which that started an ENTIRE new engine build for me that we are about to get back full steam on soon. We did 2x EVOSpec motors and the first swap we ended up doing was my brothers car, then the shop flooded (well most of Houston flooded as well), and finally we are almost back up to being able to work again. This new motor is the most advanced motor John @ EVOSpec has ever built (4.0, Copper headgaskets, Stage 3+ 9000 RPM Heads/cams, etc) and paired with a set of Xona 95-67's, which hopefully should net 1800+rwhp on kill.

If I were building a setup to do in stages right now honestly going by the recent performance of the AIM Performance car the HTA3076 is probably the best choice. They are good to 1150-1200rwhp on a built motor, they will spool fast, etc. The GTX35 will make more power but you also will have to fight lag. If you do build a 3.8ltr it wouldn't be as bad, but if you plan on coupling the turbos with the stock motor or even stay 3.6ltr when you build the motor you'll dislike the lag.

I would def. purchase a Syvecs or ProEFI (I personally prefer Syvecs). Seeing as you are in the UK you do have Ryan from Syvecs that you could probably have do the tuning. The standalone def. is a game changer to any setup. What I had back when I had GTX35's was an HKS Fcon that ran spark/fuel/etc, but still needed my stock ECU for a few things. When I went to 6466's I had the Syvecs. My brother has a ProEFI 112 on his 997TT and it's a good unit as well, just seeing as you are close by to Syvecs I'd def. go that route.

I also agree ~1000rwhp is the sweet spot. I drove my setup at 1050rwhp pretty much any day I could because it was on E85. When you start making more you start to break more parts, cause more things to be upgraded, etc..
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Old 12-03-2017, 01:02 PM
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Wow, thanks for taking the time to put such a thorough reply. Currently I’m thinking, tial 3076 with supporting mods to play around for a while, whilst, I decide on build.

Has anyone considered sequential turbos before? 2 each side? Maybe an A28 in the usual place and possibly a gt42r behind back wheel? I have been sketching up some ideas but not sure how they would go
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