[tls_zx3]

honestly will a gtk 450 outperform the turbo that i have now?

spool faster and match the power or spool the same and make more power.

keep in mind this turbo is doing all it could with my set up. 24 psi and 353whp.

if i ran a gtk450 would it make 400whp?

i really dont want to go with a gtk500 and definitely not a 550.

[Robert]

Originally Posted by tls_zx3

so if i used the same turbine with the 60-1 compressor and also went from journal bearing to ball bearing i would decrease spool time and increase its potential to make power.

if so i may have found my turbo!

well its subjective but yes if you switched to a ball bearing center section and only changed the compressor wheel the spool up should be the same if not slightly better then what you have now but you will have the ability to make much more power then you could now.

[Robert]

Originally Posted by tls_zx3

here are a few different turbos on a focus. the set ups are different so the spool will vary but its a general idea or what i am working with.

also they guy that tuned by car said the t3/60-1 would not make any more power than the turbo i have right now???

He would be wrong. A T04E 50 trim compressor has a max flow rate of about 47 lb/min of air. Thats roughly 470 Crank HP worth of air based on Ve and pumping loss. A 60-1 compressor wheel has a peak flow of 57 lb/min of air or roughly 570 Crank HP. That extra 100 HP is certainly nothing to laugh about.

[Robert]

Originally Posted by tls_zx3

honestly will a gtk 450 outperform the turbo that i have now?

spool faster and match the power or spool the same and make more power.

keep in mind this turbo is doing all it could with my set up. 24 psi and 353whp.

if i ran a gtk450 would it make 400whp?

i really dont want to go with a gtk500 and definitely not a 550.

The GT-K 450 uses a slightly larger compressor wheel then you use now. The GT-K 450 uses a T04E 60 trim compressor which has a slightly higher peak flow then the 50 trim. The difference really with the GT-K 450 is the turbine wheel is drastically better then what you are running now. You should see a faster spool up then now and with the shroud porting you should see a widened map giving you more efficient flow at lower boost pressures and an general increase across the entire power band.

[tls_zx3]

AGP states:

"60-1: Now were getting into the race car turbos. A 60-1 can make well over 500whp, support 32psi, and be a nasty turbo. Full boost is around 3800 in a .63 A/R turbine housing. This is a good race turbo but on pump gas is much less efficient than the 50trim. You will need a built motor and a higher rev limit to take advantage of the extra power this turbo will make. At 30psi it will make 40-50hp more than the 50 trim but at 20psi will usually make ~20hp less. This turbo is only recommended if you have a built motor and care more about race performance than street performance."

is this true?

would the gtk-500 make less power than the 50trim if I used non-race gas on both applications?

[ash]

Originally Posted by tls_zx3

AGP states:

"60-1: Now were getting into the race car turbos. A 60-1 can make well over 500whp, support 32psi, and be a nasty turbo. Full boost is around 3800 in a .63 A/R turbine housing. This is a good race turbo but on pump gas is much less efficient than the 50trim. You will need a built motor and a higher rev limit to take advantage of the extra power this turbo will make. At 30psi it will make 40-50hp more than the 50 trim but at 20psi will usually make ~20hp less. This turbo is only recommended if you have a built motor and care more about race performance than street performance."

is this true?

would the gtk-500 make less power than the 50trim if I used non-race gas on both applications?

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I find it hard to understand, that a turbo manufacture can dictate what a turbo will make horsepowerwise at the wheels..

Go off the flywheel estimates, and use your own data to show the transmission power losses.

i have bought 8 turbos off turbnetics in the last 3 years ( 4 pairs, twin 57mm, twin 61mm , twin 66mm, twin 76mm...)
Having dynoed ALL engines, the rated advertised hp of each turbo are about 3- 5 % under the actually flywheel output.

Every engine is different, every cam shaft and installed centre line is different to all engines...
Take it on board, what Robert says is pretty close, with in 3-5 % of what the turbonetics turbochargers actually put out at the flywheel.

How does a turbo know what fuel is running in the engine???
Turbo's pump air, and the combined combination of intercooler size and design, camshaft, camshaft installed centre line , cylinder head valve size , exhaust manifold design, exhaust system , ... etc... create the airflow characteristics of each engine.
If robert, ( turbonetics..) say the comp side will flow xyz air, then it does.
Have proved it, and many many more customers have too.

The new F 1 design turbine wheels are great. Have found them to be nearly 25 % better flowing.

what you are doing, is shopping for a turbo, with the best salesman, NOT the best product.....

Turbonetics have one of the best warrinties around, second to non.
Custome orders are no problems.

Look at the whole picture, not just the bling of the sales pitch.

Cheers
Ash

[Robert]

Couldn't agree more ash. AGP is stating that usually as it related to the SRT4 and the boost curve characteristics of that motor. On my 350Z I went from 234 WHP stock to 380 WHP at 8 PSI on a 60-1 compressor. As you can see the gains at just 8 PSI are much higher then what you would see at 8 PSI on your motor because the engine design is DRASTICALLY different. I am only comparing the T04E 50 trim, 60 trim and 60-1 wheels here. Not SRT4 versus Ford motors with the same turbo as the two will have a drastically different delivery of the power.