Quote:
Originally Posted by Corts60
I don’t think you’ll notice a gain buddy. Those TBI motors aren’t power makers. If you do remove it all though, I think the plug size is the same size as a drain plug for a Cummins 5.9 oil pan. I’m pretty sure. Been awhile since I played with those manifolds.
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Thanks for the info. Do you know what year of Cummins? I went to OReillys and we pulled up a couple of drain plugs, but they were the wrong thread pitch M22 - 1.5. Apparently, the thread pitch of the smog holes are M22 1.25. Appreciate the help and love your "summer" Burb!