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Forced Performance Hta Turbos

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scotty nm35 Grand Master

scotty nm35

Posted
Posted

Best results seem to favour the turbo housing, as long as the gate can get good flow. I managed to help squeeze 430kw out of the factory manifold using a gate off the housing.

Welding the the manifold makes it too hard to clean up the inside with a die grinder afterwards. You can't just weld a gate on at a 90 and expect it to flow well.

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LaurelPWR
LaurelPWR

I would say I’m sorry for reviving an old thread, but I’m not, so I won’t. ......soooooo.......after literally 5 years of planning and slowly gathering parts, I finally got my HTA3076 1.01ar twin

LaurelPWR
LaurelPWR

I forgot to mention my drive train.... jk40c 370z 6 speed close ratio gearbox, Jim Wolf technology adapter plate, auto rb25 bell, 1 piece aluminium tail shaft, Zspeed Performance stainless steel

Kinkstaah
Kinkstaah

This is what I was getting to with regards to the whole N/A V8 thing. A dyno shows the result as much worse, but in terms of how 'alive' the car feels afterwards, it's night and day, better in every w

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GotsWapan Community Regular

GotsWapan

Posted
Posted (edited)

Housing sounds good. Preparing to invest in a HTA 3076 :turned:
Obviously staying low mount for a more standard appearance but wanted to know many people are going that way.
Any idea what kinda of power I could push with one running 16-20psi with supporting mods? Car's a 33 GTST. I'm still running standard head gasket but previous owned had forged motor built. So I'm not sure how much boost I can push.

Edited by GotsWapan
Mick_o Grand Master

Mick_o

Posted
Posted

Depends on your choice of fuel mate :)

Housing sounds good. Preparing to invest in a HTA 3076 :turned:

Obviously staying low mount for a more standard appearance but wanted to know many people are going that way.

Any idea what kinda of power I could push with one running 16-20psi with supporting mods? Car's a 33 GTST. I'm still running standard head gasket but previous owned had forged motor built. So I'm not sure how much boost I can push.

Lithium Grand Master

Lithium

Posted
Posted

An FP3076HTA is a lot of turbo for BP98 and stock exhaust manifold etc. Be sure that it's definitely the turbo that is holding you back in power, otherwise you could spend a lot of money and not get the kind of return you want... or expect.

GTScotT Grand Master

GTScotT

Posted
Posted

No worries. I appreciate the input. Been having dramas gettin decent power becuase I cheaped out in the first turbo I bought for it.

Whats on it now?

Tuners are always fond of pointing the finger at a turbo, even the best tuners I've used will do it. Maybe describe what you have (if its still on there) and we can give some pointers in relation to what it should be doing and where it may have gone wrong?

GotsWapan Community Regular

GotsWapan

Posted
Posted (edited)

Its a GTX3076R with a 0.82 rear housing with standard dump pipe flange. I've been told they're no good for flow by a few members on here. Can you confirm or correct this please :happy: I'm aiming upwards of 280rwkw
I'm only making 220rwkw at 16-18 psi

Edited by GotsWapan
Lithium Grand Master

Lithium

Posted
Posted

Wtf. What engine is that on? And what standard dump pipe flange? While I prefer the HTA turbos... A GTX3076R should be yawning at that power level, this is definitely sounding like a case of working out what isn't working the way it should. I wouldn't spend a lot of money swapping turbos at this stage

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GotsWapan Community Regular

GotsWapan

Posted
Posted (edited)

RB25DET Built with Nitto/JE Pistons and rings and spool rods. All bottom end was assebled professionally with Reco'd head. Boostn Imports was selling kit a while ago that came with a Sonic/MTQ rear housing that bolts to the standard dump pipe, internally gated of course. I was silly and didn't do my research and I cheaped out and bought it.
Other mods are full 3" exhaust, 600x300x80mm cooler, button clutch. ECU is a Wolf 3d V4. Fuel is with 044 and Nismo 740cc injectors.

I thought I bought all the correct supporting mods but I think its the turbo holding it back.

Edited by GotsWapan
B-rice Mentor

B-rice

Posted
Posted

No way that it's the turbo holding you back. Might be your standard dump. Is your Cat a highflow aswell I knocked mine out and got 280kws at 16psi with boost tapering off to 12.Clutch was slipping too. With a stock engine.

As others have said no way it's the turbo.

With a R33 highflow.

GotsWapan Community Regular

GotsWapan

Posted
Posted (edited)

Its a full 3" similar to a JJR one. I'm sort of lost in what to do now. Cat is a stainless 3" good quality one

Even Ash R31 Nismoid suggested it was a rubbish housing.

The car makes no more power after 6000rpm

Edited by GotsWapan
Mick_o Grand Master

Mick_o

Posted
Posted

Definitely the housing mate you will probably find its a .70 and not a .82 as suggested..I was offered the same housing on my GTX3071 and ditched it for a garrett housing my car went onto make 288kw on 98 and 336kw on E85. I can 100% assure you that's the issue might be up for cool grand for a .82 garrett rear and a new dump pipe plus a tickle up on your tune but that's less than half the price of the turbo.. Maybe a bit more if ya not handy on the tools :yes:

GotsWapan Community Regular

GotsWapan

Posted
Posted

Thanks, now thats been confirmed. Would you suggest the 5 bolt genuine garret IW or a 4 bolt external with wastegate setup? The only reason I ask is that I've heard sometimes the wastegate flapper on the housing sometimes need machining for higher boost.

Mick_o Grand Master

Mick_o

Posted
Posted

I had 5 bolt genuine garrett IWG with 14psi actuator and it held 25psi with a good EBC fine boost dropped to 23 up top but that's cause the turbo was maxed out. IWG will be cheaper and easier to set up and will probably still net ya 280kw easy

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