× 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: Healthy oil or not, 5W20. Is lighter better?
Posted to Technical Theory Forum on 7/19/2002 2 Replies

SNIP

[...trimmed text...]

I've heard that nitro (Top Fuel) Hemi's use either 80 or 90 weight, run about 300 PSI of oil pressure, which generally FLATTENS the bearing shells. The stuff comes out looking like thin mustard... Login to read more.

2 Replies Received (View Replies)