As I understand the Stealth heads are supposed to have 85cc chamber vol according to 440source.com and I have read somewhere that alu heads consump 1 compression so I would be looking at actual 10.5:1, does this make sense?

Last edited by 70rtshaker; 11/05/09 03:23 AM.

Thordur Ingvarsson, Reykjavik Iceland 1970 Dodge Challenger R/T 440 sixpack Shaker(sold) 1971 Plymouth Cuda pro-street project 2007 YAMAHA YZF R1 189 HP 2007 YAMAHA FZ1 SA 150 HP 2003 Mercedes Benz E-200 Kompressor 163 HP toti62@internet.is