On my 72 I have Jesse's tappet cover and after some driving with high rpm's the breathers would push oil right out and make a mess. I got this breather/catch can and ran the 2 breather hoses to this catch can and have a drain at the bottom. It works great. I have no more oily mess. I still have to run the return to the fuel pump block off plate but for now I have just been draining it into an oil jug. I had the same problem with my Corvette and Kjpcummins built a sweet breather/catch can for it. The billet tappet cover with the baffle is the best way to go IMO when you're going to buy a new billet tappet cover. But if you already have one without you have to do what you have to do without breaking the bank IMO. 
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1968 Corvette 12v Cummins Compounds 47RH
1976 K30 CC SWB 12v 47RH
2000 Excursion VE 24v 47RH 4x4
1972 K30 Longhorn P-Pumped 24v 47RH Compounds
Last edited by DieselWrencher; 12-20-2016 at 05:27 PM.
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