View Single Post
      01-15-2012, 10:51 PM   #157
Poor Kid with Dreams
ExpensiveTaste's Avatar

Drives: BSM 07 E90 335xi
Join Date: Aug 2010
Location: Danbury, CT

iTrader: (4)

Originally Posted by mj6234 View Post
The other factor no one has mentioned is the larger turbo has far less backpressure on the turbine side, which is probably the biggest overall factor why 18psi does not equal 18psi.
Yes, increasing the overall efficiency of the turbocharger lessening the temperature increase due to friction and transfer of heat to the intake

'07 BSM 335xi JB4, DCI, CX Racing I/C, ER Chargepipe, Meth, KW V3 - Pending Sale
'95 Mustang GTS 347ci Ported TFS TW Heads,Custom Cam,Victor 5.0 IM,Tubular Front Suspension,Full Exhaust,Big and Littles