The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - L99 w/DOD delete

71cadc10 · 03-06-2021, 09:52 AM

I believe only needed for DOD, but thats an interesting question. the passage in the pan can be plugged off, with a metric threaded pipe plug. so whatever pan you go with you can defeat the bypass valve. Personally i don't see why the VVT would need the bypass valve.

https://www.improvedracing.com/ls-oi...alve-plug.html

03-06-2021, 09:52 AM	#2
71cadc10 Registered User Join Date: Apr 2004 Location: Boiling Springs, PA Posts: 435	Re: L99 w/DOD delete - 0il pan question, please HELP!!!! I believe only needed for DOD, but thats an interesting question. the passage in the pan can be plugged off, with a metric threaded pipe plug. so whatever pan you go with you can defeat the bypass valve. Personally i don't see why the VVT would need the bypass valve. https://www.improvedracing.com/ls-oi...alve-plug.html __________________ 71 C10 long bed, 2003 6.0L, 06GTO E40, T56, 12bolt 4.10 rear