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What Would It Take To Hit 350 Whp


whatme

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I would say 350 crank is about the absolute maximum for 18 or 19T.

I've heard the 19T is good up to close to 400bhp as it only gets outdone on boost efficiency on the last few pounds of boost of a T3/T4, which can hit 450bhp or so on most engines. If it was me going w/ either, I'd go w/ the 18T b/c of the straight flange...pre-ME7 cars don't handle the boost spikes from angled flanges very well. But either way, 350bhp or 400bhp, if u want 350fwhp on the auto, u're gonna need to step up to a GT30R or T3/T4. Or just strap on a big GTQ-78 and see what happens. ;)

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I've heard the 19T is good up to close to 400bhp

It isnt. The compressor itself is fairly big but you're not going to get close to 400 break with the turbine being as restrictive as it is. I guess theoretically you might get in the neighbourhood of 400 by spending a lot of money on manifolds and other engine work, but then why run a far from perfect 19T :)

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It isnt. The compressor itself is fairly big but you're not going to get close to 400 break with the turbine being as restrictive as it is. I guess theoretically you might get in the neighbourhood of 400 by spending a lot of money on manifolds and other engine work, but then why run a far from perfect 19T :)

Well a 19T is gonna run u what, like $1,000+ brand new? U can get a Garrett T3/T4 w/ external wastegate for like $500, then u still have money to machine the exhaust manifold flange and redo the piping. Gotta do the intercooler, but w/ a 19T, u wouldn't get 100% from it w/o an intercooler upgrade anyway.

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It isnt. The compressor itself is fairly big but you're not going to get close to 400 break with the turbine being as restrictive as it is. I guess theoretically you might get in the neighbourhood of 400 by spending a lot of money on manifolds and other engine work, but then why run a far from perfect 19T :)

I beg to differ ;)

But still 19T is not really relevant to this conversation.

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Sooo, could a TD05 turbo bolt up to the stock manifold? Much d/p modification needed? I realize the oil/water lines would all have to be custom, but other than that.... any major obstacles?

Soon as my TD04 dies I'll know exactly what needs to be done for the swap. Should bolt to the manifold, but depending on what TD05 is used ( there's zillions of types ) I can see the need to change the down pipe flange, inlet pipe and oil lines ( shouldnt need to make new lines, just adapter fittings ).

All the same deal for most REAL turbo upgrades, but not too hard if you know what your doing.

Limiting factor on any td04 is flow through the exhuast housing... they just wont flow the air required for 350whp no matter what you do to the motor.

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Sooo, could a TD05 turbo bolt up to the stock manifold? Much d/p modification needed? I realize the oil/water lines would all have to be custom, but other than that.... any major obstacles?

Definitely possible. You might even just swap half of your existing Volvo turbo. ;)

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Definitely possible. You might even just swap half of your existing Volvo turbo. ;)

There have been some threads on this in the past...

TD05 only bolts onto Volvo manifold if you get the TD05H-12B turbine housing off of a 740 or 940 turbo (only some cars had the TD05, you'd have to check) and have the housing drilled out to suit whatever size turbine wheel you opt for. It's not a huge housing but there's your bolt-on option (also same outlet flange as conical 15G).

You could also use an adapter like I think turbor850 does.

You can't mix TD05 and TD04 parts though, two totally different families of turbos :(

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There have been some threads on this in the past...

TD05 only bolts onto Volvo manifold if you get the TD05H-12B turbine housing off of a 740 or 940 turbo (only some cars had the TD05, you'd have to check) and have the housing drilled out to suit whatever size turbine wheel you opt for. It's not a huge housing but there's your bolt-on option (also same outlet flange as conical 15G).

You could also use an adapter like I think turbor850 does.

You can't mix TD05 and TD04 parts though, two totally different families of turbos :(

So welding a TD05 flange to the manifold is needed. Anyone got a comparison pic of 04 vs 05 exhaust housings?

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