Engine Exhaust port cleaning

Magnet86

5 Year Member
Jul 21, 2018
66
8
18
Hagerstown, MD
Hello all:

Any advice on cleaning out the exhaust crossover passage in the heads? I still have code 92 or maybe 42 as well. I know there isn't much room behind the heads to the firewall and removing the heads right now isn't an option. I think a rifle cleaning brush would do the trick- and a shop vac but something flexible is needed. The thermactor tube is clean- that's an easy one. But I think the driver's side head is clogged somewhat. Thanks much.
 
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Maybe a 90° pick? Then leave the tube off and start the car to blow the loose carbon out. A radiator hose pick might work, and they're sturdy.