× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Re: Compression ratio calculation
Posted to Technical Theory Forum on 6/24/2009

Valve over lap? Valve timing?

Had a 55 chev 265 v8 stock cam = 135-140 psi. Some kind of race cam 120 psi. Login to read more.