I've read a few posts about upgrading a 3.0 to a 3.2 short stroke and am considering this as my next upgrade. I was hoping that someone on the board would have dyno results from before and after. Possible to scan and post if you do?
I am interested to know how the torque curve changes in this conversion. Since I have an 82 SC engine with PMO 40s, SSI exchangers and M&K 1out, the power comes on real good right around 3,000 RPM. This is ideal for my work at autoX. My only complaint is the engine runs out of steam at 6k when I'm out banging through the gears on backroads. So a bigger rush from peak torque to redline is desired without affecting low end grunt.
As I understand, an S style cam will make better power than stock SC in the high RPMs but the "S"s' shorter valve overlap will reduce static compression making for lower torque. Will the increase to 98mm slugs offset this loss? I'd like to stay at 9.5:1 compression and avoid going twinplug.
I also need to consider increasing the intake ports to breathe better up top. However, the tradeoff here once again is reduced low end response. hmmmm
