60-1 compressor wheel lb./min. flow at 19-21PSI?

[Verticaljump1]

I'm battling between turbos: SBR GT12, AGP GT30/40, AGP L2R, and the AGP RS60T. The only turbo that isn't ballbearing is the RS60T, but 4000rpm spool isn't bad at all. My question is, at 20-22psi, what lb./min. of airflow have you guys logged? The GT12, GT30/40, and L2R look like nice high boost performers, but I wan't decent pump-gas power as well. BTW, I'm shooting for high 11's/low 12's on pump, and 11.50's on race. Comments on spool would be nice too, thanks guys.

 

[biglady112]

Those are all nice turbos. But, I maxed my PTE 60-1 out faster than you could imagine. At our altitude man, a 60-1 is almost on the small end of the stick. Maybe even a 65 lb/min turbo is too small. I would look into some of these turbos.

Sorry the 25/44 was not what you expected. I made it clear that it was a solid 12 second turbo at elevation. To run those times, honestly you will need a big big turbo. Others will tell you no shortly I am sure, but none of them will be near our elevation. Weigh your options a little more and see what is out there for you.

I would even dare to say you would need either a T-3 or T-4 framed turbo if you really want to get serious. Most of the local guys here are having a hard time with mitsubishi hybrids trying to run that fast. There is one guy in the 11's with one. He runs 11.7 at 5800ft with the 3065. He has since stepped up to a GT-40 to get where he wants to go. The only other guys who are even close here locally are using nitrous.

Hope this helps.

Oh yea, i was seeing no less than 40 lb/min with stock cams at that boost level her in denver.

Steven

 

[Victory]

Just to mention the 16G is a fun turbo. Been known to run high 11's and hits harder than anything you can purchase running in the 12's . Don't buy a 60-1 unless you know how to tune the car and have the supporting mods. A 60-1 should run 10's.

Good luck.

 

[Bostedquest]

Just to mention the 16G is a fun turbo. Been known to run high 11's and hits harder than anything you can purchase running in the 12's . Don't buy a 60-1 unless you know how to tune the car and have the supporting mods. A 60-1 should run 10's.

Good luck.

at sea level yes, but he is over a mile up... that makes a BIG difference...

Hell I am expecting LOW 12's (for lack of traction) with my T4E/T3 hybrid and I am at 2600 or so...

 

[99gst_racer]

I'm battling between turbos: SBR GT12, AGP GT30/40, AGP L2R, and the AGP RS60T. The only turbo that isn't ballbearing is the RS60T, but 4000rpm spool isn't bad at all. My question is, at 20-22psi, what lb./min. of airflow have you guys logged? The GT12, GT30/40, and L2R look like nice high boost performers, but I wan't decent pump-gas power as well. BTW, I'm shooting for high 11's/low 12's on pump, and 11.50's on race. Comments on spool would be nice too, thanks guys.

To accurately figure airflow in lbs/min, you would use the following:

(AP * EVC * 29) / (10.73 * rankin)

AP (Atmospheric pressure) = your boost level plus your atmospheric pressure (which varies by altitude)

EVC (engine volumetric flow) = (engine's CID / 1728) * (RPM / 2)

Rankin = 460 + air temp in Fahrenheit


Using the above will net you an exact count of airflow.

 

[nanokpsi]

You won't get any flow differences attributed to any of the compressor wheels, only by larger hotsides/turbine wheels. All of the bolt on turbos will probably flow very similar numbers. If you opt for the 30/40 with a big hotside, you may have a small flow advantage.

 

[GSX4LIFE]

OK. Here is my take on the matter. I wont even go into mods and tuning You should know that already. This is only about the turbo. I would run a GT35R if I were you. And the reason is very simply.

4cyls in general must run alot of boost to make the power necessary to propel a car that weighs over 3000lbs into the times your looking at. It takes me about 22-24psi to run high 11sec trap speeds. It takes me about 28psi to run mid 11sec trap speeds. Now at your altitude, your turbine will have to spin much faster than someone at sea level, to maintain the same level of boost. At 30psi, your turbine shaft speeds will be dangerously high, which could lead to failure. The GT35R can sustain much higher turbine shaft speeds than a standard bushing turbo. You can also run a tremendous amount of boost with it without worry of turbine or bearing failure.

 

[4g63awdtalon]

On my Agp Rs60t I am getting full spool around 3800 with cams, and a stock bottom end. I like the turbo but I am currently having minor problems with my car.

 

[Verticaljump1]

I ended up buying the SBR GT12 turbo because of the spool. I also bought a 3" o2/dp (from annocover). I'm hoping to log around 45lb./min. on 24-25psi, pump gas, water injection, and good tuning. I'm in the market for an AFC (I've already got the maf-t and afpr) and a stage 3 eprom chip for the stutterbox option .

 

[99gst_racer]

I would guess you will be seeing more than 45 lbs/min; probably closer to 50 lbs/min. I see 40 lbs/min with my t04b 50-trim at 22 psi (and thats on a shitty MAFT tune with 92 octane). Anyways, congrats on your purchase.


Does anyone know a good site that has compressor maps of the BB turbos?

 

[Verticaljump1]

Lol, 50lb./min. sounds really fun, but I'm trying not to get my hopes up even though I'm getting a ballbearing turbo bigger and faster spooling than a 50trim. I'm thinking about picking up a DNP manifold also. We'll see how the setup works out. You think I should run 720-780cc injectors, or will I be fine with 650-680ccs?