Artech 1.6 at 10 psi
#64
Slowest Progress Ever
iTrader: (26)
Join Date: Oct 2007
Location: The coal ridden hills of Pennsylvania
Posts: 6,028
Total Cats: 304
I haven't run my 163,000 mile oil burning engine at over 7psi in the past year and a half, cause I need it to stay running for a couple weeks yet. I am, however, currently working on my spare motor to be swapped in. Let's say I didn't burn oil, because my engine is all brand new...and I could boost 14-15psi without any issues, and I tuned my spark table better...think 250whp could be achieved on that turbo with my catless current 2 1/2" exhaust? I'm only 25whp away, and that was with crappy valve seals/ crappy compression numbers/ 12psi/ etc.
#67
I am shocked by that delta. Was the 2.25" exhaust stock? I have to believe most of that gain came from loosing a chambered muffler and not the diameter of the system. I would love to hear more details of the before and after exhaust systems.
Last edited by k24madness; 07-20-2012 at 08:24 PM.
#68
Slowest Progress Ever
iTrader: (26)
Join Date: Oct 2007
Location: The coal ridden hills of Pennsylvania
Posts: 6,028
Total Cats: 304
I'd like to hear more also...I believe in eliminating a restriction such as a chambered muffler or a cat...but going from 2.5" to 3" exhaust diameter on a turbo as small as this doesn't seem like it would make a significant difference in freeing up lost power.
Or is this another "thirdgen makes no sense" reply.
Or is this another "thirdgen makes no sense" reply.
Last edited by thirdgen; 07-20-2012 at 11:43 PM.
#74
Now, if you'd like to do a quick street pull or two, we can see if they agree.
#77
Cpt. Slow
Thread Starter
iTrader: (25)
Join Date: Oct 2005
Location: Oregon City, OR
Posts: 14,360
Total Cats: 1,184
Sorry Curly. I'm a 'tard . VD graphs have to come from street pulls. The calculation takes into account rolling resistance and wind resistance. A VD graph of a dyno pull would not be meaningfull as the only loading comes from the rollers.
Now, if you'd like to do a quick street pull or two, we can see if they agree.
Now, if you'd like to do a quick street pull or two, we can see if they agree.