What is good compression for RB25DET w/ wiseco 86.5mm pistons (8:1 CR) [Archive] - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

mmakam2

02-17-2013, 10:16 AM

Just as the title says, with these pistons and .02 overbored, will compression readings be slightly less?

I'm getting 150psi on all six

smoked240

02-17-2013, 03:02 PM

I get 120 on every cylinder.. But I think it's my gauge that's causing the low pressure.