Does any bolts or studs protrude into the intake ports? Not 100% sure on a sbc if the rocker arm studs go into them ports.
I do know some of the big block aftermarket heads do need sealer for this reason.
After seeing you have flotec heads checking online. I found you have to use a thread sealer.
Vacuum line routing through firewall, does anyone have and be willing to post a picture of the firewall near the ac evaporator, particularly where the vacuum lines are running from the canister through the firewall, mine were not hooked up. Thank y’all
Is the ls2 complete, coils, injectors, didn’t think a LS2 came in a pickup other then a Trailblazer SS. So a regular pickup harness I don’t think it’s tune will be correct. Gauges should all work beside the speedo and tach and a couple different senders. Summit sells a retro tach that works with...