Super tuning car runs good shooting for great

I just love it!

Hyup that sounds like a lot more than 4psi!
The thing about air pressure is that the psi gets multiplied by the area it is acting against, so say like on a tin valvecover of about 5x20 thats a hundred sq inches, and times 4psi is 400 pounds of force. So since I didn't hear a massive explosion,Ima guessing your VCs are not tin. And I guess your dizzy was bolted down too, or at 30psi, it would been stuck in your hood!
Lotsa SBMs are found without the slingers.