lasmith03 Posted September 10 Share Posted September 10 We just rebuilt this 1962 Dynamic 88 394. The center ports on the intake are discoloring. These are exhaust ports that heat up the choke, etc. Anyone else experienced this? This is a "replacement" original intake. We checked the "old" one and it had rust, etc in this same area. The paint is the red engine paint from Fusick. Is there something else we need to know? Are we missing something? Thanks, Lance 1 Link to comment Share on other sites More sharing options...
Bloo Posted September 11 Share Posted September 11 (edited) I wouldn't consider it unusual. The way I remember it OHV V8 engines of the period all did that, not just Oldsmobile. Make sure you don't have a restriction like a stuck heat riser or a plugged exhaust on one side, but other than that I think you can ignore it. Edited September 11 by Bloo (see edit history) Link to comment Share on other sites More sharing options...
joe_padavano Posted September 11 Share Posted September 11 Exhaust gas flows through that crossover. That's what it's there for. Of course the heat will cause the paint to discolor. That's also why the hot air tube for the choke runs into that space. If it didn't get hot the choke wouldn't work. These cars were designed to be driven. No one planned on them being displayed as art. Drive the car, enjoy it, and stop losing sleep over this. 1 Link to comment Share on other sites More sharing options...
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