J JTR0569 New member Jul 24, 2009 #1 :?: What are your thought / concerns about replacing stock intake manifold with an Offenhauser? :?: Will a bad / warped intake manifold cause a your engine to sound like it has a gas ping/knock? :scratch: 1989 Wrangler 4.2L Last edited: Jul 24, 2009
:?: What are your thought / concerns about replacing stock intake manifold with an Offenhauser? :?: Will a bad / warped intake manifold cause a your engine to sound like it has a gas ping/knock? :scratch: 1989 Wrangler 4.2L
Bounty__Hunter Super Moderator Jul 24, 2009 #2 I think you would notice a vacuum leak if there was a problem with the intake manifold, likely causing a lean condition.
I think you would notice a vacuum leak if there was a problem with the intake manifold, likely causing a lean condition.
