Yes Swagelock is good enough for any auto application. It's a higher quality tubing fitting than the AN, DIN or the SAE flared stuff. The pressure ratings are way better than the tubing connected to it.
You could dump the pcv into one side of the exhaust if you want, or attach it to the rearward distribution block & those 4 cylinders.
Either way, I would run the brake booster & vacuum advance off the 4 forward runners. If you run the pcv out the exhaust, then you only need the forward distribution block, tubed into the 4 front runners, nothing plumbed into the rear runners at all. Make sense?
Plumbing the brake booster to 4 runners instead of only one provides you with a better vacuum signal, that's all.
Getting tubular with my pal on the DTBB
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