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Ba Bf And Fg Turbocharger Specs

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I've been searching to find specs on the ba , bf , and fg turbo .

From my search it seems ba bf are the same and fg is said to be a smaller turbo by some . Others say the turbines are the same on all 3.

comp 61.4-82 trim56

turb 68-84

It seems that the ba is comp .7 ar and turbine 1.06 ar and the fg is comp .5 ar and 1.06 turbine.

So from all my searching I think they are both the same turbo but the fg just has the smaller ar on the compressor.

Any help on exact specs appreciated as I have found so much conflicting info.

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Ba Bf gt3540 Fg gt3576. Fg spools quicker but runs out of puff approx 320rwkw after tune and supporting mods the f6 was fitted with the gt3540 hence more power more towards the 350rwkw region. Heaps of info on the forum if you look around don't know if this helps.

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Yes I have found general info on one making more hp, or the other spooling faster, but not exact specs on ar or trim or inducer exducer diameters .

If it's just me searching in the wrong place, could you point me in the right direction maybe I'm using the wrong questions .gtx3576r is in the turbo by garrett site but not gt3540 and I don't think the gtx is the right one . garett does not list exact specs for the ford turbo's , or I cant find them .

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Can't paste a link right now but if you go to the turbo section there's a pinned thread called "what is the std turbo in FG" or words to that effect - should help

Technically correct name for 3540 as in our cars is 3582 which will be on the garrett website.

All BA and BF models and FG F6 all have GT3582r

FG xr6T has GT3576r which from memory is not a std garrett model(??)

All these are 0.5AR with basically the same cover, just that 3576 has smaller ID intake to make 0.5AR with the smaller exducer

Turbine is the same.

Hope this helps

Edited by camo86T

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It appears that the gt3576 fg turbo might be 76 comp as garett would imply but the ba turbo said to be gt3540 might be a gt3582 with 82mm comp and both might have the .5 ar housing.

Would really like to know for sure from someone that has checked the sizes, as the huge amount of info on the net often conflicts.

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Correct, 3576 has 76mm od comp wheel / exducer, 3582 has 82mm...

Like I said above, both have 0.5AR housing / cover, but 3576 has smaller intake internal diameter as it's got the smaller comp wheel. Both have 3" / 76mm outer diameter intake

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I think all the pros are busy during the holiday period :P

I think I read....

GT3540r is the ford specific turbo 0.5 front cover...but is the same as GT3582r except the 3582 has 0.7 front cover?

AFAIK...all the Fords have same rear housing with 1.06AR and 0.5 front

GTX versions of both turbos have 0.7 front

But NFI the size of the bits inside I.e. referring to OP. that's where the pros should have more info...but I think the GT3576 has a smaller front wheel and therefore spools quicker?

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Yeah didn't explain that very well did I #coznotpro

But 3582 on garrett site will give all the internal specs for ford spec 3540

I have a pic somewhere of 3576 and 3540/3582 comp wheel side by side for comparison when I changed mine over but maybe I've done enough damage lol

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3540 is a 3582 in a .5 cover

3576 is a t04s/t04b 53mm inducer 76mm excuder in a t04e .5 cover.

It is different to the other 3576 you may see on the Web for billet wheels as it has a different inducer.

What you can do is use your fg turbo and put different compressor wheels/covers and make your own hybrid. That's what I'm doing :)

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So the 3540 is comp 61.4-82, and the 3576 is comp 53-76 , or is my info on the 3540 slash 3582 wrong ?

sounds like a 2876 compressor wheel, 52.8-76.1

Edited by pumpngo

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I have a 2015 fg turbo, im thinking of putting a gt35r core and .70 compressor housing onto my stock turbine housing, I know it will need a new higher psi actuator and a bracket to mount the actuator on the bigger comp housing and ported wastegate hole and bigger wastegate door. What sort of gain and extra lag can I expect??? thanks guys

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Gain is dependant on how much boost you run when you get it tuned. Then again you can get good gains from your stock turbo. 

 

It'll be at full boost around the 3 grand mark or a bit earlier. 

 

You'll need a turbo side intake, battery relocation and charge pipe upgrade to use the larger comp housing as it has a 4 inch intake and a 2.5 inch outlet on the compressor. Something something tb elbow. 

 

You'll want an injector and fuel pump upgrade too as these will max out before a stock turbo is maxed, let alone a modded one.

 

You'll want a cat upgrade at a minimum but a turbo back exhaust is ideal. 

 

Imho it's a waste of money if you're paying to get it done unless you are getting a larger compressor wheel too, as the cost vs gain ratio, even with the slightly bigger turbo, isn't as good as paying the extra few hundred for a gtx or larger wheel. 

 

Without the aforementioned upgrades, you may as well keep the stock turbo and just get it tuned with injectors and fuel pump. 

 

Think about your end hp goal and what conditions the car will see and you should get some more specific advice from members. 

 

I heard that @JETURBO can juggle 3 of these cars in each hand with the lights out, while balancing on a fit ball. 

 

He'll look after ya ;)

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How much power can be made on stock injectors? And then with upgraded injectors how much power can be made on stock pump? Are stock fg injectors 440cc? What's the next logical step up in inj size, 1000cc to future proof? Do 1000s run nice like stock if tuned well? Or should I go smaller like 850cc or something?

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stock injectors for an fg xr6t max out at around 280ish rwkw.

stock pump runs out at about 300 (maybe a bit more, but most don't lean on it)

stock injectors are around 320cc/min, from memory.

next logical step up is FG F6 injectors, at around 42lb (400ish cc/min)

the one that all tuners like is the 1000cc bosch EV14 injectors, as they're easy to tune and have headroom left over for upgrades in the future. Yes, the 1000cc ones can run as nice as stock.

You can go with whatever your tuner prefers to tune and your budget allows and your power goals are.

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11 hours ago, Slowxr6t said:

How much power can be made on stock injectors?

Frig all. Jet answered this a few days ago but I can't remember what he said.

 

11 hours ago, Slowxr6t said:

And then with upgraded injectors how much power can be made on stock pump?

Fark knows. Just under 300rwkw.

 

11 hours ago, Slowxr6t said:

Are stock fg injectors 440cc?

Dunno.

 

11 hours ago, Slowxr6t said:

What's the next logical step up in inj size, 1000cc to future proof?

It depends on your goals. 1000cc will take care of 99% of people I reckon.

 

11 hours ago, Slowxr6t said:

Do 1000s run nice like stock if tuned well?

Yes.

 

11 hours ago, Slowxr6t said:

Or should I go smaller like 850cc or something?

It depends on your goals and what your tuner can work with.

 

You might be better off to have a power figure in mind and then work out what parts you need afterward.

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to stay on topic of this thread, this post is the best on this forum for explaining the specifications of the turbochargers :)

 

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Great thanks guys, I'm thinking 15-17psi on stock fg 3576, with pw stage 1 cooler and k&n filter in stock airbox. Will stock wastegate handle it or will it need porting out?

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15 minutes ago, k31th said:

to stay on topic of this thread

 

 

The admin bloke reckons we need to stay on topic. @Slowxr6t you can always start your own thread for easy reference as ideas roll in. A mod might even move it all for you if you pm'd them.

 

At that boost level on a stock wastegate I've found there are large boost spikes on the wot gear change. At 17psi you might see as high as 22psi on the 1-2 shift. You can tune around it but this all comes back to what your tuner is capable of doing and what they feel happy to let go from their shop. Tuning around it is a bit average though imo, as you are sacrificing performance due to a sub optimal hardware configuration.

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well, if by "GT35" you mean a GT3582R (the stock BA/F XR6T & F6 turbocharger), then yes, but it'll lag more than a correct '76 front-cover.

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