am building a Z6 block right now, plans are N/A, JE, or SRP Pistons, .020 bore????? Eagle or Scat rods, and maybe get it resleeved? Not sure about the bore or sleeving. I don't know whether or not I will go FI in the future, so I don't know what compression pistons I should get...10:5:1? or higher? Any suggestions would be great, thanks. Oh, so the title, should I stay with an OEM crank, or go with an aftermarket one?

 

d17 crank, compression up to 11.5:1. And a crower stage 3 cam, some slight head porting. ANR header, skunk2 IM and some mad tunning.

150-160whp estimated.

But then turbo is always the answer for d series

 

Thanks for the post, anyone else?