New engine troubles. Need help.

[Nick88]

Read this.

Crankcase Ventilation–Yes, it’s Important

Positive Crankcase Ventilation (PCV) can easily qualify as the least interesting aspect of a gearhead’s inventory of hot rod romance parts. Many people think that this system’s only benefit is to keep oil vapors from escaping valve cover vents that create that annoying oil mist that coats your...

digital.allchevyperformance.com

For now run a pvc valve for a 400 sbc with a 4bbl

Just out of curiosity why for a 400 sbc instead of a regular one for a 350? Is it because my motor is now higher displacement?

 

[Ricko1966]

Just out of curiosity why for a 400 sbc instead of a regular one for a 350? Is it because my motor is now higher displacement?

They may actually be the same valve,but if not 383 is closer to 400 than it is to 350. The link I told you to read, in that they discuss an adjustable pcv valve and where to get it. In the meantime 400 sbc is better than nothing also picked 400 because it will probably be easier to find than a 396.